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max5803/max5804/MAX5805???8/10/12 ?/??(dac)?? 2.048v2.500v4.096v?max5803/max5804/ MAX58052.7v5.5v?? (MAX5805i 2 c?2??? ? ??400khz?1dac? 155 a?(3v??)???? 0.5mv ? (?) ????max5803/max5804/MAX5805 dac???????? ?????????? ??????????? max5803/max5804/MAX5805????? ? aux ?? ??( clr )?( gate )dac?? ?????????? ldac????? max5803/max5804/MAX580510tdfn/ max ? ? - 40 c + 125 c?? ? ???? ? ??? ???? ??? ?? ?? s ??dac ? 12? ? 1 lsb inl? ? s ????? ? 2.048v2.500v4.096v s ? ? ??? ? 6.3s? ? ?2k? s ?102mm 3mm tdfn3mm 5mm max? s 2.7v5.5v? s 1.8v5.5v v ddio s 400khz i 2 c2???? s ?y?dac s ??i/o? clr ldac gate s ???1k?100k ? s 3v?dac?155 a maxmaxim ? integrated ? products, ? inc.??? ?? ??????????????? ?????maxim?10800 852 1249 ()10800 152 1249 () maxim?china.maximintegrated.com ?? ???????china.maximintegrated.com/max5803.related addr sda scl out po r v dd gnd i 2 c serial interfac e code register dac control logic da c latch 100ki 1ki ref internal referenc e/ external buffe r v ddio aux ldac code clear / reset po r load gate clear / reset powe r down buffe r max5803 max5804 MAX5805 8-/10- / 12-bit da c 19-6464; rev 2; 6/13 max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
2 note 1: package thermal resistances were obtained using the method described in jedec specification jesd51-7, using a four-layer board. for detailed information on package thermal considerations, refer to china.maximintegrated.com/thermal-tutorial. max5803/max5804/MAX5805 ultra-small, single-channel, 8-/10-/12-bit buffered output voltage dacs with internal reference and i 2 c interface 2 maxim integrated v dd to gnd .............................................................-0.3v to +6v v ddio to gnd .........................................................-0.3v to +6v out, ref to gnd ........-0.3v to lower of (v dd + 0.3v) and +6v scl, sda, aux, ldac to gnd ..............................-0.3v to +6v addr to gnd ...................................................-0.3v to lower of (v ddio + 0.3v) and +6v continuous power dissipation (t a = +70 nc) tdfn (derate 14.9mw/ n c above +70n c) ...............1188.7mw max (derate 8.8mw/ n c above +70n c) ..................707.3mw maximum continuous current into any pin .................... 50ma operating temperature range ........................ -40 n c to +125nc storage temperature range ............................ -65 n c to +150nc lead temperature (soldering, 10s) ................................+300 nc soldering temperature (reflow) ......................................+260 nc tdfn junction-to-ambient thermal resistance ( ja ) .......67.3 nc/w max junction-to-ambient thermal resistance ( ja ) .....113.1 nc/w junction-to-ambient thermal resistance ( jc ) ...........42 nc/w absolute m aximum r atings note 1: package thermal resistances were obtained using the method described in jedec specification jesd51-7, using a four-layer board. for detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial. stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. these are stress ratings only, and functional opera - tion of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. package t hermal c haracteristics (note 1) electrical c haracteristics (v dd = 2.7v to 5.5v, v ddio = 1.8v to 5.5v, v gnd = 0v, c l = 200pf, r l = 2k i , t a = -40 n c to +125n c, unless otherwise noted.) (note 2) parameter symbol conditions min typ max units dc performance (note 3) resolution and monotonicity n max5803 8 bits max5804 10 MAX5805 12 integral nonlinearity (note 4) inl max5803, 8 bits -0.25 0.05 +0.25 lsb max5804, 10 bits -0.5 0.2 +0.5 MAX5805, 12 bits -1 0. 5 +1 differential nonlinearity (note 4) dnl max5803, 8 bits -0.25 0.05 +0.25 lsb max5804, 10 bits -0.5 0.1 +0.5 MAX5805, 12 bits -1 0.2 +1 offset error (note 5) oe -5 0.5 +5 mv offset error drift 10 fv/nc gain error (note 5) ge -1.0 0.1 +1.0 %fs gain temperature coefficient with respect to v ref 2.5 ppm of fs/nc zero-scale error 0 +10 mv full-scale error with respect to v ref -0.5 +0.5 %fs max5803/max5804/MAX5805 ultra-small, single-channel, 8-/10-/12-bit buffered output voltage dacs with internal reference and i 2 c interface 2 maxim integrated v dd to gnd .............................................................-0.3v to +6v v ddio to gnd .........................................................-0.3v to +6v out, ref to gnd ........-0.3v to lower of (v dd + 0.3v) and +6v scl, sda, aux, ldac to gnd ..............................-0.3v to +6v addr to gnd ...................................................-0.3v to lower of (v ddio + 0.3v) and +6v continuous power dissipation (t a = +70 nc) tdfn (derate 14.9mw/ n c above +70n c) ...............1188.7mw max (derate 8.8mw/ n c above +70n c) ..................707.3mw maximum continuous current into any pin .................... 50ma operating temperature range ........................ -40 n c to +125nc storage temperature range ............................ -65 n c to +150nc lead temperature (soldering, 10s) ................................+300 nc soldering temperature (reflow) ......................................+260 nc tdfn junction-to-ambient thermal resistance ( ja ) .......67.3 nc/w max junction-to-ambient thermal resistance ( ja ) .....113.1 nc/w junction-to-ambient thermal resistance ( jc ) ...........42 nc/w absolute m aximum r atings note 1: package thermal resistances were obtained using the method described in jedec specification jesd51-7, using a four-layer board. for detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial. stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. these are stress ratings only, and functional opera - tion of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. package t hermal c haracteristics (note 1) electrical c haracteristics (v dd = 2.7v to 5.5v, v ddio = 1.8v to 5.5v, v gnd = 0v, c l = 200pf, r l = 2k i , t a = -40 n c to +125n c, unless otherwise noted.) (note 2) parameter symbol conditions min typ max units dc performance (note 3) resolution and monotonicity n max5803 8 bits max5804 10 MAX5805 12 integral nonlinearity (note 4) inl max5803, 8 bits -0.25 0.05 +0.25 lsb max5804, 10 bits -0.5 0.2 +0.5 MAX5805, 12 bits -1 0. 5 +1 differential nonlinearity (note 4) dnl max5803, 8 bits -0.25 0.05 +0.25 lsb max5804, 10 bits -0.5 0.1 +0.5 MAX5805, 12 bits -1 0.2 +1 offset error (note 5) oe -5 0.5 +5 mv offset error drift 10 fv/nc gain error (note 5) ge -1.0 0.1 +1.0 %fs gain temperature coefficient with respect to v ref 2.5 ppm of fs/nc zero-scale error 0 +10 mv full-scale error with respect to v ref -0.5 +0.5 %fs maxim integrated max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
3 max5803/max5804/MAX5805 ultra-small, single-channel, 8-/10-/12-bit buffered output voltage dacs with internal reference and i 2 c interface 3 maxim integrated electrical characteristics (continued) (v dd = 2.7v to 5.5v, v ddio = 1.8v to 5.5v, v gnd = 0v, c l = 200pf, r l = 2k i , t a = -40 n c to +125n c, unless otherwise noted.) (note 2) parameter symbol conditions min typ max units dac output characteristics output voltage range (note 6) no load 0 v dd v 2ki load to gnd 0 v dd - 0.2 2ki load to v dd 0.2 v dd load regulation v out = v fs /2 v dd = 3v q10%, |i out | p 5ma 300 fv/ma v dd = 5v q10%, |i out | p 10ma 300 dc output impedance v out = v fs /2 v dd = 3v q10%, |i out | p 5ma 0.3 i v dd = 5v q10%, |i out | p 10ma 0.3 capacitive load handling c l 500 pf resistive load handling r l 2 ki short-circuit output current v dd = 5.5v sourcing (output short to gnd) 30 ma sinking (output shorted to v dd ) 40 dynamic performance voltage-output slew rate sr positive and negative 2.0 v/s voltage-output settling time ? scale to ? scale, to p 1 lsb, max5803 2.8 s ? scale to ? scale, to p 1 lsb, max5804 5.2 ? scale to ? scale, to p 1 lsb, MAX5805 6.3 dac glitch impulse major code transition 5.0 nvs digital feedthrough code = 0, all digital inputs from 0v to v ddio 0.5 nvs power-up time startup calibration time (note 7) 200 fs from power-down mode 60 fs dc power-supply rejection v dd = 3v q10% or 5v q10% 100 fv/v maxim integrated max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
4 max5803/max5804/MAX5805 ultra-small, single-channel, 8-/10-/12-bit buffered output voltage dacs with internal reference and i 2 c interface 4 maxim integrated electrical characteristics (continued) (v dd = 2.7v to 5.5v, v ddio = 1.8v to 5.5v, v gnd = 0v, c l = 200pf, r l = 2k i , t a = -40 n c to +125n c, unless otherwise noted.) (note 2) parameter symbol conditions min typ max units output voltage-noise density (dac output at midscale) external reference f = 1khz 88 nv/hz f = 10khz 79 2.048v internal reference f = 1khz 108 f = 10khz 98 2.5v internal reference f = 1khz 117 f = 10khz 110 4.096v internal reference f = 1khz 152 f = 10khz 145 integrated output noise (dac output at midscale) external reference f = 0.1hz to 10hz 10 fv p-p f = 0.1hz to 10khz 72 f = 0.1hz to 300khz 298 2.048v internal reference f = 0.1hz to 10hz 11 f = 0.1hz to 10khz 89 f = 0.1hz to 300khz 370 2.5v internal reference f = 0.1hz to 10hz 12 f = 0.1hz to 10khz 99 f = 0.1hz to 300khz 355 4.096v internal reference f = 0.1hz to 10hz 13 f = 0.1hz to 10khz 128 f = 0.1hz to 300khz 400 output voltage-noise density (dac output at full scale) external reference f = 1khz 113 nv/hz f = 10khz 100 2.048v internal reference f = 1khz 172 f = 10khz 157 2.5v internal reference f = 1khz 195 f = 10khz 180 4.096v internal reference f = 1khz 279 f = 10khz 258 integrated output noise (dac output at full scale) external reference f = 0.1hz to 10hz 12 fv p-p f = 0.1hz to 10khz 88 f = 0.1hz to 300khz 280 2.048v internal reference f = 0.1hz to 10hz 14 f = 0.1hz to 10khz 135 f = 0.1hz to 300khz 530 2.5v internal reference f = 0.1hz to 10hz 15 f = 0.1hz to 10khz 160 f = 0.1hz to 300khz 550 4.096v internal reference f = 0.1hz to 10hz 23 f = 0.1hz to 10khz 220 f = 0.1hz to 300khz 610 maxim integrated max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
5 max5803/max5804/MAX5805 ultra-small, single-channel, 8-/10-/12-bit buffered output voltage dacs with internal reference and i 2 c interface 5 maxim integrated electrical characteristics (continued) (v dd = 2.7v to 5.5v, v ddio = 1.8v to 5.5v, v gnd = 0v, c l = 200pf, r l = 2k i , t a = -40 n c to +125n c, unless otherwise noted.) (note 2) parameter symbol conditions min typ max units reference input reference input range v ref 1.24 v dd v reference input current i ref v ref = v dd = 5.5v 55 75 fa reference input impedance r ref 75 100 ki reference ouput reference output voltage v ref v ref = 2.048v, t a = +25nc 2.043 2.048 2.053 v v ref = 2.5v, t a = +25nc 2.494 2.500 2.506 v ref = 4.096v, t a = +25nc 4.086 4.096 4.106 reference output noise density v ref = 2.048v f = 1khz 129 nv/hz f = 10khz 122 v ref = 2.500v f = 1khz 158 f = 10khz 151 v ref = 4.096v f = 1khz 254 f = 10khz 237 integrated reference output noise v ref = 2.048v f = 0.1hz to 10hz 12 fv p-p f = 0.1hz to 10khz 110 f = 0.1hz to 300khz 390 v ref = 2.500v f = 0.1hz to 10hz 15 f = 0.1hz to 10khz 129 f = 0.1hz to 300khz 430 v ref = 4.096v f = 0.1hz to 10hz 20 f = 0.1hz to 10khz 205 f = 0.1hz to 300khz 525 reference temperature coefficient (note 8) MAX5805a 4 12 ppm/nc max5803/max5804/MAX5805b 10 25 reference drive capacity external load 25 ki reference capacitive load handling 200 pf reference load regulation i source = 0 to 500fa 1.0 mv/ma reference line regulation 0.1 mv/v maxim integrated max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
6 max5803/max5804/MAX5805 ultra-small, single-channel, 8-/10-/12-bit buffered output voltage dacs with internal reference and i 2 c interface 6 maxim integrated electrical characteristics (continued) (v dd = 2.7v to 5.5v, v ddio = 1.8v to 5.5v, v gnd = 0v, c l = 200pf, r l = 2k i , t a = -40 n c to +125n c, unless otherwise noted.) (note 2) parameter symbol conditions min typ max units power requirements supply voltage v dd v ref = 4.096v 4.5 5.5 v all other options 2.7 5.5 i/o supply voltage v ddio 1.8 5.5 v supply current (dac output at midscale) (note 9) i dd external reference v ref = 3v 135 190 fa v ref = 5v 165 225 internal reference, reference pin undriven v ref = 2.048v 190 265 v ref = 2.5v 205 280 v ref = 4.096v 250 340 internal reference, reference pin driven v ref = 2.048v 215 300 v ref = 2.5v 225 315 v ref = 4.096v 275 375 supply current (dac output at full scale) (note 9) i dd external reference v ref = 3v 155 210 fa v ref = 5v 200 265 internal reference, reference pin undriven v ref = 2.048v 205 280 v ref = 2.5v 220 300 v ref = 4.096v 275 375 internal reference, reference pin driven v ref = 2.048v 225 310 v ref = 2.5v 240 330 v ref = 4.096v 300 410 power-down mode supply current (dac powered down, reference remains active) (note 9) i dd internal reference, reference pin driven v ref = 2.048v 90 135 fa v ref = 2.5v 93 135 v ref = 4.096v 100 150 power-down mode supply current (note 9) i pd external reference, v dd = v ref 0.4 2 fa digital supply current (note 9) i ddio 1.0 fa digital input characteristics (scl, sda, addr, aux, ldac) input high voltage v ih 2.2v < v ddio < 5.5v 0.7 x v ddio v 1.8v < v ddio < 2.2v 0.8 x v ddio input low voltage v il 2.2v < v ddio < 5.5v 0.3 x v ddio v 1.8v < v ddio < 2.2v 0.2 x v ddio maxim integrated max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
7 max5803/max5804/MAX5805 ultra-small, single-channel, 8-/10-/12-bit buffered output voltage dacs with internal reference and i 2 c interface 7 maxim integrated electrical characteristics (continued) (v dd = 2.7v to 5.5v, v ddio = 1.8v to 5.5v, v gnd = 0v, c l = 200pf, r l = 2k i , t a = -40 n c to +125n c, unless otherwise noted.) (note 2) parameter symbol conditions min typ max units hysteresis voltage v h 0.15 v input leakage current (note 9) i in 0.1 1 fa input capacitance c in 3 pf addr pullup/pulldown strength r pu , r pd (note 10) 30 50 90 ki digital output (sda) output low voltage v ol i sink = 3ma 0.2 v i 2 c timing characteristics (scl, sda, aux, ldac) scl clock frequency f scl 400 khz bus free time between a stop and a start condition t buf 1.3 s hold time repeated for a start condition t hd;sta 0.6 s scl pulse width low t low 1.3 s scl pulse width high t high 0.6 s setup time for repeated start condition t su;sta 0.6 s data hold time t hd;dat 0 900 ns data setup time t su;dat 100 ns sda and scl receiving rise time t r 20 + c b /10 300 ns sda and scl receiving fall time t f 20 + c b /10 300 ns sda transmitting fall time t f 20 + c b /10 250 ns setup time for stop condition t su;sto 0.6 s bus capacitance allowed c b v dd = 2.7v to 5.5v 10 400 pf pulse width of suppressed spike t sp 50 ns clr removal time prior to a recognized start t clrsta 100 ns clr pulse width low t clpw 20 ns ldac pulse width low t ldpw 20 ns ldac fall to sclk fall to hold t ldh applies to execution edge 400 ns maxim integrated max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
8 ?1. ? i 2 c?? max5803/max5804/MAX5805 ultra-small, single-channel, 8-/10-/12-bit buffered output voltage dacs with internal reference and i 2 c interface 8 maxim integrated note 2: electrical specifications are production tested at t a = +25c. specifications over the entire operating temperature range are guaranteed by design and characterization. typical specifications are at t a = +25c. note 3: dc performance is tested without load. note 4: linearity is tested with unloaded outputs to within 20mv of gnd and v dd. note 5: gain and offset calculated from measurements made with v ref = v dd at code 30 and 4065 for MAX5805, code 8 and 1016 for max5804, and code 2 and 254 for max5803. note 6: subject to zero and full-scale error limits and v ref settings. note 7: on power-up, the device initiates an internal 200 f s (typ) calibration sequence. all commands issued during this time will be ignored. note 8: specification is guaranteed by design and characterization. note 9: static logic inputs with v il = v gnd and v ih = v ddio . note 10: an unconnected condition on addr is sensed via a resistive pullup and pulldown operation; for proper operation, addr should be tied to v ddio, gnd, or left unconnected with minimal capacitance. figure 1. i 2 c serial interface timing diagram electrical characteristics (continued) (v dd = 2.7v to 5.5v, v ddio = 1.8v to 5.5v, v gnd = 0v, c l = 200pf, r l = 2k i , t a = -40 n c to +125n c, unless otherwise noted.) (note 2) t su ;s to t r t sp t hd;sta t su;sta t f t high t hd;dat t low t clpw t clrsta t ldh t ldpw t hd;sta t f s s s r p sda scl clr ldac t su;dat t r t buf maxim integrated max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
9 ? (MAX5805, 12-bit performance, t a = +25nc, unless otherwise noted.) inl vs. code max5803 toc01 code (lsb) inl (lsb) 3584 3072 2048 2560 1024 1536 512 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1.0 -1.0 0 4096 v dd = v ref = 3v no load dnl vs. code max5803 toc04 code (lsb) dnl (lsb) 3584 3072 2048 2560 1024 1536 512 -0.4 -0.3 -0.2 -0.1 0 0.1 0.2 0.3 0.4 0.5 -0.5 0 4096 v dd = v ref = 5v no load offset and zero-scale error vs. supply voltage max5803 toc07 supply voltage (v) error (mv) 5.1 4.7 3.9 4.3 3.5 3.1 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0 2.7 5.5 v ref = 2.5v (external) no load offset error zero-scale error inl vs. code max5803 toc02 code (lsb) inl (lsb) 3584 3072 2048 2560 1024 1536 512 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1.0 -1.0 0 4096 v dd = v ref = 5v no load inl and dnl vs. supply voltage max5803 toc05 supply voltage (v) error (lsb) 5.1 4.7 3.9 4.3 3.5 3.1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1.0 -1.0 2.7 5.5 min inl min dnl max dnl max inl v dd = v ref offset and zero-scale error vs. temperature max5803 toc08 temperature (c) 110 95 65 80 -10 5 20 35 50 -25 -40 125 error (mv) -0.8 -0.6 -0.4 -0.2 0.2 0 0.4 0.6 0.8 1.0 -1.0 v ref = 2.5v (external) no load offset error (v dd = 5v) offset error (v dd = 3v) zero-scale error dnl vs. code max5803 toc03 code (lsb) dnl (lsb) 3584 3072 2048 2560 1024 1536 512 -0.4 -0.3 -0.2 -0.1 0 0.1 0.2 0.3 0.4 0.5 -0.5 0 4096 v dd = v ref = 3v no load temperature (c) 110 95 65 80 -10 5 20 35 50 -25 -40 125 inl and dnl vs. temperature max5803 toc06 error (lsb) -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1.0 -1.0 min inl min dnl max dnl max inl v dd = v ref = 3v full-scale error and gain error vs. supply voltage max5803 toc09 supply voltage (v) error (%fs) 5.1 4.7 3.9 4.3 3.5 3.1 -0.09 -0.08 -0.06 -0.07 -0.05 -0.04 -0.03 v ref = 2.5v (external) no load -0.02 -0.10 2.7 5.5 gain error full-scale error maxim integrated max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
10 maxim integrated ?() (MAX5805, 12-bit performance, t a = +25nc, unless otherwise noted.) 0.02 0.04 0.06 0.08 0.10 0.12 full-scale error and gain error vs. temperature max5803 toc10 temperature (c) 110 95 65 80 -10 5 20 35 50 -25 -40 125 error (%fsr) 0 v ref = 2.5v (external) no load gain error (v dd = 3v) full-scale error gain error (v dd = 5v) supply current vs. supply voltage (2.500v internal reference) max5803 toc13 supply voltage (v) supply current (a) 5.1 4.7 4.3 3.9 3.5 3.1 50 100 150 200 250 300 0 2.7 5.5 v dd = v ddio v dac = full scale no load dac off reference output only dac on reference pad driven dac on ext reference = 2.5v dac on reference pad undriven 50 100 150 200 250 300 350 0 supply current vs. code (for internal ref, pin is undriven) max5803 toc16 code (lsb) supply current (a) 3584 3072 2560 2048 1536 1024 5120 4096 no load, t a = +25c v dd = v ref(ext) = 3v v dd = v ref(ext) = 5v v dd = 5v, v ref(int) = 4.096v v dd = 5v, v ref(int) = 2.048v v dd = 5v, v ref(int) = 2.5v supply current vs. temperature (pin undriven for internal ref modes) max5803 toc11 temperature (c) supply current (a) 110 95 -25 -10 5 35 50 65 20 80 140 180 220 260 300 340 380 100 -40 125 v dd = v ddio v dac_ = full scale dac enabled no load v ref = v dd = 3v v ref = v dd = 5v v ref = 2.5v, v dd = 3v v ref = 2.048v, v dd = 3v v ref = 4.096v, v dd = 5v supply current vs. supply voltage (4.096v internal reference) max5803 toc14 supply current (a) 50 100 150 200 250 300 350 400 0 supply voltage (v) 5.255.004.754.504.254.00 5.50 v dd = v ddio v dac = full scale no load dac off reference output only dac on reference pad driven dac on reference pad undriven i ref (external) vs. code max5803 toc17 code (lsb) supply current (a) 3584 3072 2560 2048 1536 1024 30 35 40 45 50 55 60 20 25 5120 4096 v dd = v ref no load v ref = 5v v ref = 3v supply current vs. supply voltage (2.048v internal reference) max5803 toc12 supply voltage (v) supply current (a) 5.1 4.7 4.3 3.9 3.5 3.1 50 100 150 200 250 300 0 2.7 5.5 v dd = v ddio v dac = full scale no load dac off reference output only dac on reference pad driven dac on reference pad undriven power-down mode supply current vs. supply voltage max5803 toc15 power-down supply current (a) 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0 supply voltage (v) 5.14.74.33.93.53.12.7 5.5 v dd = v ref (external, active) t a = -40c t a = +85c t a = +25c t a = +125c max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
11 ?() (MAX5805, 12-bit performance, t a = +25nc, unless otherwise noted.) settling to 1 lsb (v dd = v ref = 5v, r l = 2ki , c l = 200pf) max5803 toc18 v out 2v/div 2s /div zoomed v out 1 lsb/div trigger pulse 10v/div 1/4 scale to 3/4 scale 5.9s major code transition glitch energy (v dd = v ref = 5v, r l = 2ki , c l = 200pf) max5803 toc20 trigger pulse 5v/div zoomed v out 1.25mv/div 2s/div 1 lsb change (midcode transition 0x800 to 0x7ff) giltch impulse = 5nv*s v out vs. time transient exiting power-down max5803 toc22 0v 0v 20s/div 36th edge v dd = 5v, v ref = 2.5v external v clk 5v/div v out 1v/div settling to 1 lsb (v dd = v ref = 5v, r l = 2ki , c l = 200pf) max5803 toc19 zoomed v out 1 lsb/div trigger pulse 10v/div v out 2v/div 2s/div 6.3s 3/4 scale to 1/4 scale major code transition glitch energy (v dd = v ref = 5v, r l = 2ki , c l = 200pf) max5803 toc21 trigger pulse 5v/div zoomed v out 1.25mv/div 2s/div 1 lsb change (midcode transition 0x7ff to 0x800) giltch impulse = 5nv*s power-on reset to 0v max5803 toc23 0v 0v 40s/div v dd = v ref = 5v 10ki load to v dd v dd 2v/div v out 2v/div maxim integrated max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
12 maxim integrated ?() (MAX5805, 12-bit performance, t a = +25nc, unless otherwise noted.) digital feedthrough (v dd = v ref = 5v, r l = 2ki , c l = 200pf) max5803 toc24 v out 125v/div 1s/div v dd = v ref = 5v dac at midscale digital feedthrough = 0.1nv*s output current limiting max5803 toc26 i out (ma) ?v out (mv) 40 30 10 20 -20 -10 0 -30 -400 -300 -200 -100 0 100 200 300 400 500 -500 -40 50 v dd = 3v v dd = 5v v dd = v ref midscale 0.1hz to 10hz output noise, external reference (v dd = 5v, v ref = 4.5v) max5803 toc29 v out 5v/div 4s/div midscale unloaded v p-p = 10v headroom at rails vs. output current (v dd = v ref ) max5803 toc27 i out (ma) v out (v) 9 8 6 7 2 3 4 5 1 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 0 01 0 v dd = 5v, sourcing full scale v dd = 3v, sourcing full scale v dd = 3v and 5v sinking zero scale output load regulation max5803 toc25 i out (ma) ?v out (mv) 30 20 10 0 -10 -20 -2 -1 0 1 2 3 -3 -30 40 v dd = 5v v dd = 3v v dd = v ref midscale noise-voltage density vs. frequency (dac at midscale) max5803 toc28 frequency (hz) noise-voltage density (nv/ (hz)) 10k 1k 50 100 150 200 250 300 350 0 100 100k v dd = 5v, v ref = 4.096v (internal) v dd = 5v, v ref = 2.5v (internal) v dd = 5v, v ref = 2.048v (internal) v dd = 5v, v ref = 5v (external) 0.1hz to 10hz output noise, internal reference (v dd = 5v, v ref = 2.048v) max5803 toc30 v out 5v/div 4s/div midscale unloaded v p-p = 11v max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
13 maxim integrated ?() (MAX5805, 12-bit performance, t a = +25nc, unless otherwise noted.) 0.1hz to 10hz output noise, internal reference (v dd = 5v, v ref = 2.500v) max5803 toc31 v out 5v/div 4s/div midscale unloaded v p-p = 12v device count 5 10 15 25 20 35 30 40 45 0 v ref drift vs. temperature max5803 toc33 temperature coefficient (ppm /c) 4.5 5.0 6.56.05.5 4.03.53.02.52.01.51.00.50 v dd = 2.7v v ref = 2.5v box method internal reference noise density vs. frequency max5803 toc35 frequency (hz) noise-voltage density (nv/ (hz)) 10k 1k 50 100 150 200 250 300 350 400 450 0 100 100k v ref = 4.096v v ref = 2.5v v ref = 2.048v 0.1hz to 10hz output noise, internal reference (v dd = 5v, v ref = 4.096v) max5803 toc32 v out 5v/div 4s/div midscale unloaded v p-p = 13v reference output current (a) ?v ref (mv) 400 300 200 100 -0.25 -0.20 -0.15 -0.10 -0.05 0 -0.30 0 500 reference load regulation max5803 toc34 v dd = 5v internal reference v ref = 2.048v, 2.5v, 4.096v supply current vs. supply voltage max5803 toc36 input logic voltage (v) supply current (a) 4 3 2 1 200 400 600 800 1000 1200 1400 1600 1800 2000 0 05 v dd = 5v all i/o pins swept v ddio = 5v v ddio = 3v v ddio = 1.8v max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
14 ? 1 aux ??????7 ? 2 ldac ??????dac??? 3 addr i 2 c???? 4 scl i 2 c??? 5 sda i 2 c?? 6 v ddio ????? 7 v dd ??0.1 f?v dd gnd 8 gnd ? 9 out dac? ? 10 ref ??/ ep ?(tdfn?)?? max5803 max5804 MAX5805 max580 3 max580 4 max580 5 ref out gnd v dd scl addr ldac aux v ddio sda *connected to gnd top view 1 + 3 4 ref gnd v ddio v dd 2 out aux addr *ep scl ldac tdfn 5sda 10 8 7 9 6 max + 1 4 5 2 3 10 9 8 7 6 maxim integrated max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
15 ?? max5803/max5804/MAX5805????8/10/12 ? ?dac2.7v5.5v??? ? ???????? ?100k ?(?)? ? ?????2.048v ? 2.5000v4.096v 400khz?i 2 c??? max5803/max5804/MAX5805 / ?codedac?dac?? ?y(por)??? aux ???? dac(out) max5803/max5804/MAX5805dac? dac?? ? 1v/ s?(?)?2k 500pf ? ???(v dd )? ? ? ? gndv dd ???gnd? ? ?2k ??gndv dd 200mv v dd ??2k ??gnd 200mvv dd dac?? out ref n d vv 2 = ?d?=??dac???v ref ?=??? n?=??? ??? ??dac???? ??????? ???dac? ?code??dac?( ?? )code??dac? ?dac?codecode_load ?code?dac??? dac?code_load???? dac??load ldac ? code???? ???codedac? ?dac???????? ?????codeload ?????sw_clearcode dac??????? sw_reset?????? ??codedac?? ?? max5803/max5804/MAX5805????? ? ?2.048v2.500v4.096v??? ref?????( ? ) 25k ?? ?? ??100k ???+1.24v v dd ?????refgnd? ??max5803/4/5?????? ???????? china. maximintegrated.com/products/references aux max5803/max5804/MAX5805 aux ?(?? )?config????? clr ? (?) gate? clr ?? clr ?? aux ??????? clear clr ? codedac???? /?????? ? maxim integrated max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
16 ??i 2 c?? clr ?clr ??? ?i 2 c?? clr ?? ?????i 2 c? ???ack? ?(?? p??)?? ?start??? clr ? t clrsta ?? gate ?? gate ???dac???/ ??dac????max5803/ max5804/MAX5805 gate ? gate ??aux ??returncodedac ????????? ?gate????i 2 ccodedac ???????? ??dac??? ldac max5803/max5804/MAX5805??? ldac ?( ?)? ldac ????? load ldac ??? ??dac????( ?i/o?)?dac????? ldac ??????? ldac ?code??dac ???i/o?code??dac? ? ldac ????max5803/ ? max5804/MAX5805?i/o?code?? ??dac?load? ldac ????????? ????code???? ??(t ldh )?loadbroadcast?id ???????max5803/ max5804/MAX5805 v ddio max5803/max5804/MAX5805??(1.8v 5.5v)??(v ddio )???v ddio i/o? i 2 c? max5803/max5804/MAX5805i 2 c/smbustm 2????(sda)?? (scl)??400khz?sdascl? max5803/max5804/MAX5805??? ?1 ??2??????scl ???????? ?max5803/max5804/MAX5805 ???start?(s)repeated?start?(sr) stop?(p) max5803/max5804/ MAX5805???8??^ max5803/max5804/MAX5805?? ???????9 scl^max5803/max5804/MAX5805?sda ? ?scl????? ???????start repeatedstart?stopsda ??sda???4.7k scl??? ?scl?scl??k? ?4.7k maxim integrated max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
17 sdascl?????bm a x 5 8 0 3 / ? max5804/MAX5805?? ??????3^max5803/ max5804/MAX5805??v ddio ?? ??5.5v??v ddio ??? ???max5803/max5804/MAX5805 ?^?????? ?code??dac?? dac? ldac ??? aux ?? dac??load i 2 c startstop ??sdascl??????? ? start??startscl???? ? sda????stopscl????sda ??( ?2 )start??max5803/ max5804/MAX5805???stop ????repeatedstart stop? i 2 c?stoprepeated start max5803/max5804/MAX5805???? stopstopstart?? ?^?stop??? ????stop ????????( ??i 2 c??????? ?2) i 2 c?? ???7(msb)?r/ w ?4 ?001102lsbaddr? 1?r/w 1?max5803/max5804/ MAX5805???r/ w 0?max5803/ max5804/MAX5805?????start ?max5803/max5804/MAX5805??? ?? ???max5803/max5804/MAX5805? addr_???addr_?? ? ????(???? ???)addr?? ?i 2 c???? ?2. ? i 2 c ? startrepeated ? startstop 1. i 2 c??lsb a[6:2] = 00110 addr a1 a0 v dd 1 1 n.c. 1 0 gnd 0 0 scl sda ss rp valid start, repeated start, and stop pulses ps p sp ps invalid start/stop pulse pairings - all will be recognized as starts maxim integrated max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
18 i 2 c?? ???i 2 c??max5803/max5804/ MAX5805????max5803/ max5804/MAX5805???? 00110010?????(?r/ w ? = ? 0) i 2 c? ? ? ? ? (ack) 9 ? max5803/ max5804/MAX5805?????? ? ?3 ???????max5803/ max5804/MAX5805?9?? sdaack????? ??????? ????? ???9??sda? max5803/max5804/MAX5805???? ????????? max5803/max5804/MAX5805??? ???stop i 2 c??? ????????? ???????? ?????2??? ?????? ?ack?????? ??dac? i 2 c ???????? ? max5803/max5804/MAX5805???? startrepeated ? startstop? ? ??8????(ack) ? ?4 ?5 ????max5803/max5804/ MAX5805??r/ w ?=?0???? ???()???? ??????( ?4?5? 24)???i 2 c?? ???? ????max5803/max5804/MAX5805? ?? ??i 2 c? ? ? startrepeated?start stop??8??? ? ?6 ????max5803/max5804/MAX5805? ??r/ w ?=?0???? ???repeated?start? ?(?r/ w ?=?1?)????? scl max5803/max5804/MAX5805 sda??2????? ? ?stop????? ? ??max5803/max5804/MAX5805?1 ? return????return(b[23:20]?=? ? 0111)code????code(b[23:20]? =? ? 1000)dac????load(b[23:20]?=? ? 100110101011) ?3. ? i 2 c? 1 scl start condition sda 29 clock pulse for acknowledgment acknowledge not acknowledge maxim integrated max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
19 ????????? ?????? 2 ?? ?????????(1 ????)?????? aux ?? ?? ??i 2 c? max5803/max5804/MAX5805?????i 2 c ????????1??? ???????? ????? ?? ?5. ? ?(?i 2 c) ?4. ? i 2 c? scl aw 20 19 18 17 a 16 15 14 13 12 11 10 9a 8 start sda write address byte #1: i 2 c slave address write command byte #2: command byte (b[23:16]) write data byte #3: data high byte (b[15:8]) write data byte #4: data low byte (b[7:0]) 21 22 23 stop 7 6 5 4 3 2 1a 0 ack. generated by max5803/ max5804/MAX5805 command executed 1 0 a1 a0 1 0 0 a scl aw 20 19 18 17 a 16 15 14 13 12 11 10 9a 8 start sda write address byte #1: i 2 c slave address write command1 byte #2: command1 byte (b[23:16]) write data1 byte #3: data1 high byte (b[15:8]) 21 0 0 1 1 0 a1 a0 22 23 stop 7 6 5 4 3 2 1a 0 write data1 byte #4: data1 low byte (b[7:0]) 20 19 18 17 a 16 15 14 13 12 11 10 9a 8 21 22 23 7 6 5 4 3 2 1a 0 additional command and data pairs (3 byte blocks) command1 executed commandn executed byte #5: commandn byte (b[23:16]) byte #6: datan high byte (b[15:8]) byte #7: datan low byte (b[7:0]) ack. generated by max5803/ max5804/MAX5805 a maxim integrated max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
20 ?6. ? ?i 2 c? 2. ?i 2 c? ? ?7 ??????(r/ w =?0)??????? stop/start?repeated ? start?? (r/ w ?=?1??)?max5803/max5804/ MAX5805??scl?max5803/ max5804/MAX5805?sda?? ???????? ??stop???? ?max5803/max5804/MAX58051 ?????pi 2 c ??max5803/max5804/MAX5805?? ?????????? ???4?????i 2 c ??????? ????? ??/?? ? 3. dac? command byte (request) readback data high byte readback data low byte b23 b22 b21 b20 b19 b18 b17 b16 b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0 0 0 0 0 x x x x 0 1 0 1 0 rev_id[2:0] (000) part_id[7:0] max5803 = 0x8a max5804 = 0x92 MAX5805 = 0x82 0 1 1 1 x x x x return[11:4] return[3:0] 0 0 0 0 1 0 0 0 x x x x code[11:4] code[3:0] 0 0 0 0 1 0 0 1 x x x x dac[11:4] dac[3:0] 0 0 0 0 1 0 1 0 x x x x dac[11:4] dac[3:0] 0 0 0 0 1 0 1 1 x x x x dac[11:4] dac[3:0] 0 0 0 0 any other command clr load gate 1 rf[3:0] pd[1:0] ab[2:0] df[2:0] part b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0 max5803 d7 d6 d5 d4 d3 d2 d1 d0 x x x x x x x x max5804 d9 d8 d7 d6 d5 d4 d3 d2 d1 d0 x x x x x x MAX5805 d11 d10 d9 d8 d7 d6 d5 d4 d3 d2 d1 d0 x x x x read data byte #4: data1 high byte (b[15:8]) read data byte #5: data1 lowbyte (b[7:0]) repeated start read address byte #3: i 2 c slave address write address byte #1: i 2 c slave address write command1 byte #2: command1 byte ack. generated by max5803/max5804/MAX5805 ack. generated by i 2 c master a start stop scl sda 00 11 0a 1a 0w a a a nn n0 01 10 a1 a0 ra dddd dd dd dd dd ddd d ~a a nn nn n maxim integrated max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
21 i 2 c max5803/max5804/MAX5805i 2 c???? sclsda??sda??? ?ack^?8???i 2 c? i 2 c??? max5803/max5804/MAX5805?? ?? 4???? ?7. ? ??i 2 c? scl a w 20 19 18 17 a 16 15 14 13 12 11 10 9 a 8 sda 0 0 1 1 0 a1 a0 22 23 7 6 5 4 3 2 1 a 0 r ~a pointer updated (qualifies for combined read back) command executed (qualifies for interface read back) scl sda command executed (qualifies for interface read back) pointer updated (qualifies for combined read back) 21 a w2 01 91 81 7a 16 15 14 13 12 11 10 9a 8 00 11 0a 1a 02 223 76 54 32 1a 0 21 start stop write address byte #1: i 2 c slave address write command byte #2: command byte (b[23:16]) write data byte #3: data high byte (b[15:8]) write data byte #4: data low byte (b[7:0]) start stop write address byte #1: i 2 c slave address read command byte #2: command byte (b[23:16]) read data byte #3: data high byte (b[15:8]) read data byte #4: data low byte (b[7:0]) start repeated start write address byte #1: i 2 c slave address write command byte #2: command byte (b[23:16]) write data byte #3: data high byte (b[15:8]) write data byte #4: data low byte (b[7:0]) stop write address byte #1: i 2 c slave address read command byte #2: command byte (b[23:16]) read data byte #3: data high byte (b[15:8]) read data byte #4: data low byte (b[7:0]) ack. generated by max5803/ max5804/ MAX5805 ack. generated by i 2 c master a2 01 91 81 7a 16 15 14 13 12 11 10 9a 8 00 11 0a 1a 02 223 76 54 32 10 21 a r2 01 91 81 7a 16 15 14 13 12 11 10 9a 8 00 11 0a 1a 02 223 76 54 32 1~ a0 21 a a maxim integrated max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
22 code code(b[23:20]?=?1000) daccode ??code???dac ? ? ldac ????? load??dac clr ?????2? ??3?4 load load(b[23:20]?=?1001)? ?code ?dac? clr ?? ???2??? 3?4 code_load code_load(b[23:20]?=?10101011)code ?dac?? clr ? ???2?? ?3 ?8. ? ?i 2 c?? c addr scl sda sclsda addr +5v scl sda max5803 max5804 MAX5805 max5803 max5804 MAX5805 maxim integrated max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
23 4. i 2 c command b23 b22 b21 b20 b19 b18 b17 b16 b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0 description dac commands code 1 0 0 0 x x x x code register data[11:4] code register data[3:0] x x x x writes data to the code register load 1 0 0 1 x x x x x x x x x x x x x x x x x x x x transfers data from the code registers to the dac register code_load 1 0 1 0 x x x x code and dac register data[11:4] code and dac register data[3:0] x x x x simultaneously writes data to the code register while updating dac register code_load 1 0 1 1 x x x x code and dac register data[11:4] code and dac register data[3:0] x x x x simultaneously writes data to the code register while updating dac register return 0 1 1 1 x x x x return register data[11:4] return register data[3:0] x x x x updates the return register contents for the dac maxim integrated max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
24 4. i 2 c() command b23 b22 b21 b20 b19 b18 b17 b16 b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0 description configuration commands ref 0 0 1 0 0 = no drive 1 = drive pin 0 = default 1 = always on ref mode 00 = ext 01 = 2.5v 10 = 2.0v 11 = 4.1v x x x x x x x x x x x x x x x x sets the reference operating mode. software 0 0 1 1 x type: 000 = end 001 = gate 100 = clr 101 = rst other = no effect x x x x x x x x x x x x x x x x executes a software operation of the type chosen power 0 1 0 0 x x x x x x x x x x x x power mode: 00 = dac 01 = 1ki 10 = 100ki 11 = hiz x x x x x x sets the power mode config 0 1 0 1 x x x x x x x x x x x x x x aux mode: 011 = gate 110 = clear 111 = none other = no effect x x x updates the function of the aux input default 0 1 1 0 x x x x x x x x x x x x default values: 000 = por 001 = zero 010 = mid 011 = full 100 = return other = no effect x x x x x sets the default value for the dac no operation commands no operation 0 0 0 0 x x x x x x x x x x x x x x x x x x x x these commands will have no effect on the part. 1 1 1 1 x x x x x x x x x x x x x x x x x x x x reserved commands: any commands not specifically listed above are reserved for maxim internal use only. maxim integrated max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
25 ref ref?(b[23:20]?=?0010)dac????b[17: ? 16]?=?00?dac???b[17:16]?0110 11???2.5v2.048v4.096v?? refrf3?(b19)(??)ref?i/o ? ???rf31ref?i/o ????? 25 a?(?)????ref?i/o?? ? refrf2?(b18)(??)dac? (standby? ?)? ? rf2?(b18)1 ? dac????? ??1 a???5 software software?(b[23:20]?=?0011)? 6 ? ? software?b[18:16]? end ? (000) ? ? ??? ???(???) ? gate ? (001) ? ? da c default? ? ? ? clear ? (100) ? ? c odedacdefault ?? reset ? (101) ? ? codedac return? ? ????( r e f p o w e r config ? )?y other ? ??? 5. ref (0010)? 6. software (0011)? b23 b22 b21 b20 b19 b18 b17 b16 b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0 0 0 1 0 rf3 rf2 rf1 rf0 x x x x x x x x x x x x x x x x ref command 0 = ref not driven 1 = ref driven 0 = off in standby 1 = on in standby ref mode: 00 = ext 01 = 2.5v 10 = 2.0v 11 = 4.0v dont care dont care default values 0 0 0 0 x x x x x x x x x x x x x x x x command byte data high byte data low byte b23 b22 b21 b20 b19 b18 b17 b16 b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0 0 0 1 1 x sw2 sw1 sw0 x x x x x x x x x x x x x x x x software commands dont care mode: 000: end 001: gate 100: clr 101: rst other: no effect dont care dont care default values x 0 0 0 x x x x x x x x x x x x x x x x command byte data high byte data low byte maxim integrated max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
26 7. power (0100)? 8. ????dac power max5803/max5804/MAX5805 power ??(b[23:20] ? = ? 0100) ???dac????? ??????????? 7 8 ???dac? ????????? ???? ??????????? ? ????????? ref???7? b23 b22 b21 b20 b19 b18 b17 b16 b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0 0 1 0 0 x x x x x x x x x x x x pd1 pd0 x x x x x x power command dont care dont care power mode: 00 = normal 01 = 1ki 10 = 100ki 11 = hi-z dont care default values x x x x x x x x x x x x 0 0 x x x x x x command byte data high byte data low byte pd1 (b7) pd0 (b6) operating mode 0 0 normal operation 0 1 power-down with internal 1k i pulldown resistor to gnd. 1 0 power-down with internal 100k i pulldown resistor to gnd. 1 1 power-down with high-impedance output. maxim integrated max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
27 config tconfig(b[23:20] ? = ? 0101) aux??? (?)?? 9? aux ? config?b[5:3]? gate ? (011) ? ? aux gate ????dac default? clear ? (110) ? ? aux clr (???)? ??codedacdefault ? ? none ? (111) ? ? ? aux? other ? ? ? aux? default default?(0110)default?dac?? ??????? df[2:0]?10 ???(df[2:0]) ??? por ? (000) ? dac???y?(???) zero ? (001) ? dac???? mid ? (010) ? dac???? full ? (011) ? dac???? return ? (100) ? dac??return?? other ? ?????? ? sw_reset??dac?y ??(?)??? 9. config (0101)? 10. default (0110)? b23 b22 b21 b20 b19 b18 b17 b16 b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0 0 1 1 0 x x x x x x x x x x x x df2 df1 df0 x x x x x default command dont care dont care default values: 000: por 001: zero 010: mid 011: full 100: return other: no effect dont care default values x x x x x x x x x x x x 0 0 0 x x x x x command byte data high byte data low byte b23 b22 b21 b20 b19 b18 b17 b16 b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0 0 1 0 1 x x x x x x x x x x x x x x ab2 ab1 ab0 x x x config command dont care dont care dont care auxb mode: 011 = gate 110 = clear 111 = none other = no effect dont care default values x x x x x x x x x x x x x x 1 1 0 x x x command byte data high byte data low byte maxim integrated max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
28 return return(b[23:20] ? = ? 0111)?dac ? return? ?default?return?? (sw)?(hw)gate?dac return??????default ? =?return???????return ???codeload???? ?3?4 ?? ?y(por) ?v dd ?dac???? dac???????? (200 s?) ? ?????v dd ?? ?????gnd ?? ? gnd???????dac? ???????????dac ??????? ?????? max5803/max5804/MAX5805gnd ???????? ???? ??????? max5803/max5804/MAX5805??? ?(inl) inl??? ??? ??(dnl) dnl??1?lsb??dnl? ? 1?lsbdac????dnl? ? 1?lsbdac?? ? ????????? ???????? ?? ???? ?????? ?????? ??dac???? ? ??dac??? ??? ? ?????dac???? ??? ? ??dac??dac? /?? ????msb????? ???????msb ??????????? ????/? ?^ /??????????? ??? maxim integrated max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
29 ? micro - controller sda scl addr out gnd ref 4.7f 100nf 100nf r1 r2 r1 = r2 aux r pu 5ki r pu 5ki note: bipolar operation shown dac v dd max5803 max5804 MAX5805 4.7f 100nf micro - controller sda scl addr out gnd ref 100nf aux ldac r pu 5ki r pu 5ki note: unipolar operation shown dac v dd v ddio max5803 max5804 MAX5805 v ddio v out = -v ref to +v ref v out = 0v to v ref ldac maxim integrated max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
30 ?? process: bicmos ? ? - 40 c + 125 c??? +??(pb)/rohs??? t ? = ? ? *ep ? = ? ?? ?? ?????(?)? china. maximintegrated.com/packages ???? + # - ?rohs???????? ?????rohs???? -? ?() ????(ppm/c) max5803atb+t 10 tdfn-ep* 8 10 (typ), 25 (max) max5803aub+ 10 fmax 8 10 (typ), 25 (max) max5804atb+t 10 tdfn-ep* 10 10 (typ), 25 (max) max5804aub+ 10 fmax 10 10 (typ), 25 (max) MAX5805aaub+ 10 fmax 12 4 (typ), 12 (max) MAX5805batb+t 10 tdfn-ep* 12 10 (typ), 25 (max) MAX5805baub+ 10 fmax 12 10 (typ), 25 (max) ? ? ?? 10 tdfn-ep t1032n+1 21-0429 90-0082 10 fmax u10+2 21-0061 90-0330 maxim integrated max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?
?? maximmaxim????????maxim??????????? ???(??)?????? maxim integrated 160 rio robles, san jose, ca 95134 usa 1-408-601-10 00 31 ? 2013 maxim integrated maxim?maxim ? integratedm axim ? integrated ? products, ? inc. ? maxim 8328 100083 ?800 810 0310 010-6211 5199 010-6211 5299 ? ? ? ?? 0 11/12 1 2/13 max5803/max5804 2C8, 30 2 6/13 max5803/max5804/MAX5805 ? tdfn? ? ? 30 max5803/max5804/MAX5805 ??8/10/12?dac ??i 2 c?

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