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typical operating circuits 19-6355; rev 2; 3/13 for related parts and recommended products to use with this part, refer to www.maximintegrated.com/max6070.related . ordering information and selector guide appears at end of data sheet. general description the max6070/max6071 offer a very low noise and low-drift voltage reference in a small 6-pin sot23 pack - age. these devices provide a 1/f noise voltage of only 4.8v p-p at an output voltage of 2.5v, with a temperature drift of 6ppm/ n c (max). the devices operate with an input voltage from 2.8v to 5.5v. the max6070/max6071 con - sume 150 f a of supply current and can sink and source up to 10ma of load current. the max6070/max6071 pro - vide an initial accuracy of 0.04%. the low-drift and low- noise specifications enable enhanced system accuracy, making these devices ideal for high precision industrial applications. the max6070 offers a noise filter option for wideband applications. the max6070/max6071 provide output voltages of 1.25v, 1.8v, 2.048v, 2.5v, 3.0v, 3.3v, 4.096v, and 5.0v. the devices are available in a 6-pin sot23 package and specified over the extended industrial temperature range of -40 n c to +125 n c. applications high-accuracy industrial and process control precision instrumentation high-resolution adcs and dacs precision current sources benefits and features s high q 0.04% initial accuracy s low 1.5ppm/c (typ), 6ppm/c (max) temperature drift s low 4.8v p-p noise (0.1hz to 10hz) at 2.5v s low 150a supply current s 10ma source/sink load current s noise filter option s low 200mv dropout voltage s high 85db ripple rejection s small 6-pin sot23 package s voltage output options: 1.25v, 1.8v, 2.048v, 2.5v, 3.0v, 3.3v, 4.096v, and 5.0v bandgap voltage reference gnd 0.1f 0.1f 0.1f in filter en shutdown control v in r l outf outs v out bandgap voltage reference gndf gnds 0.1f 0.1f in en shutdown control v in r l outf outs v out max6070 max6071 max6070/max6071 low-noise, high-precision series voltage references for pricing, delivery, and ordering information, please contact maxim direct at 1-888-629-4642, or visit maxims website at www.maximintegrated.com.
max6070/max6071 low-noise, high-precision series voltage references 2 outf to gnds, gndf, gnd ...................... -0.3v to the lower of (v in + 0.3v), +6v outs to gnds, gndf, gnd ................................. -0.3v to +6v in to gnds, gndf, gnd ....................................... -0.3v to +6v en to gnds, gndf, gnd ...................................... -0.3v to +6v filter to gnd ............................................ -0.3v to the lower of (v in + 0.3v), +6v gnds to gndf .................................................... -0.3v to +0.3v continuous power dissipation (t a = +70 n c) sot23 (derate 4.3mw/ n c above +70 n c) ................ 347.8mw operating temperature range ........................ -40 n c to +125 n c junction temperature ..................................................... +150 n c storage temperature range ............................ -65 n c to +150 n c soldering temperature (reflow) ...................................... +260 n c lead temperature (soldering, 10s) ................................ +300 n c sot23 junction-to-ambient thermal resistance ( b ja )...........230c/w junction-to-case thermal resistance ( b jc )....................76c/w absolute maximum ratings 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 thermal characteristics (note 1) electrical characteristics max607__aut12 (v out = 1.250v) (v in = +5.0v, i out = 0ma, c out = 0.1 f f, t a = -40 n c to +125 n c, unless otherwise noted. typical values are at t a = +25 n c.) (note 2) parameter symbol conditions min typ max units output output voltage accuracy max6070a/max6071a, t a = +25 n c -0.04 +0.04 % max6070b/max6071b, t a = +25 n c -0.08 +0.08 output voltage temperature drift (note 3) tcv out max6070a/max6071a 1.5 6 ppm/ n c max6070b/max6071b 2.0 8 line regulation over specified v in range t a = +25 n c 13 100 f v/v t a = t min to t max 125 load regulation 0ma < i out < 10ma, sink 70 150 f v/ma 0ma < i out < 10ma, source 100 150 output current i out -10 +10 ma short-circuit current i sc sourcing to ground 25 ma sinking from v in 25 long-term stability 1000 hours at t a = +25c 35 ppm thermal hysteresis (note 5) 85 ppm dynamic characteristics noise voltage e out 1/f noise, 0.1hz to 10hz, c out = 0.1 f f 3.6 f v p-p max6071 thermal noise, 10hz to 10khz, c out = 0.1 f f 5.0 f v rms max6070 thermal noise, 10hz to 10khz, c out = 0.1 f f, c filter = 0.1 f f 2.5 ripple rejection frequency = 60hz 100 db maxim integrated
max6070/max6071 low-noise, high-precision series voltage references 3 electrical characteristics max607__aut12 (v out = 1.250v) (continued) (v in = +5.0v, i out = 0ma, c out = 0.1 f f, t a = -40 n c to +125 n c, unless otherwise noted. typical values are at t a = +25 n c.) (note 2) electrical characteristics max607__aut18 (v out = 1.800v) (v in = +5.0v, i out = 0ma, c out = 0.1f, t a = -40c to +125c, unless otherwise noted. typical values are at t a = +25c.) (note 2) parameter symbol conditions min typ max units turn-on settling time t r settling to 0.01%, c out = 0.1 f f max6070, c filter = 0.1 f f 6 ms max6071 20 f s enable settling time t en settling to 0.01%, c out = 0.1 f f max6070, c filter = 0.1 f f 6 ms max6071 60 f s capacitive-load stability range i out p 10ma 0.1 10 f f input supply voltage v in guaranteed by line regulation 2.7 5.5 v quiescent supply current i in t a = +25 n c 130 200 f a t a = t min to t max 260 shutdown supply current i sd 6 f a enable enable input current i en -1 +1 f a enable logic-high v ih 0.7 x v in v enable logic-low v il 0.3 x v in parameter symbol conditions min typ max units output output voltage accuracy max6070a/max6071a, t a = +25 c -0.04 +0.04 % max6070b/max6071b, t a = +25 c -0.08 +0.08 output voltage temperature drift(note 3) tcv out max6070a/max6071a 1.5 6 ppm/ c max6070b/max6071b 2.0 8 line regulation over specified v in range t a = +25 c 35 150 v/v t a = t min to t max 200 load regulation 0ma < i out < 10ma, sink 120 200 v/ma 0ma < i out < 10ma, source 120 200 output current i out -10 +10 ma short-circuit current i sc sourcing to ground 25 ma sinking from v in 25 long-term stability 1000 hours at t a = +25 c 35 ppm thermal hysteresis (note 5) 85 ppm maxim integrated
max6070/max6071 low-noise, high-precision series voltage references 4 electrical characteristics max607__aut18 (v out = 1.800v) (v in = +5.0v, i out = 0ma, c out = 0.1f, t a = -40c to +125c, unless otherwise noted. typical values are at t a = +25c.) (note 2) electrical characteristics max607__aut21 (v out = 2.048v) (v in = +5.0v, i out = 0ma, c out = 0.1f, t a = -40c to +125c, unless otherwise noted. typical values are at t a = +25c.) (note 2) parameter symbol conditions min typ max units dynamic characteristics noise voltage e out 1/f noise, 0.1hz to 10hz, c out = 0.1f 6 v p-p max6071 thermal noise, 10hz to 10khz c out = 0.1f 7 v rms max6070 thermal noise, 10hz to 10khz c out = 0.1f, c filter = 0.1f 5 ripple rejection frequency = 60hz 89 db turn-on settling time t r settling to 0.01% c out = 0.1f max6070 c filter = 0.1f 6 ms max6071 32 s enable settling time t en settling to 0.01% c out = 0.1f max6070 c filter = 0.1f 6 ms max6071 60 s capacitive-load stability range i out 10ma 0.1 10 f input supply voltage v in guaranteed by line regulation 2.7 5.5 v quiescent supply current i in t a = +25 q c 130 200 a t a = t min to t max 260 shutdown supply current i sd 6 a enable enable input current i en -1 1 a enable logic-high v ih 0.7 x v in v enable logic-low v il 0.3 x v in parameter symbol conditions min typ max units output output voltage accuracy max6070a/max6071a, t a = +25 q c -0.04 +0.04 % max6070b/max6071b, t a = +25 q c -0.08 +0.08 output voltage temperature drift (note 3) tcv out max6070a/max6071a 1.5 6 ppm/ q c max6070b/max6071b 2.0 8 line regulation over specified v in range t a = +25 q c 50 180 v/v t a = t min to t max 225 maxim integrated
max6070/max6071 low-noise, high-precision series voltage references 5 electrical characteristics max607__aut21 (v out = 2.048v) (continued) (v in = +5.0v, i out = 0ma, c out = 0.1f, t a = -40c to +125c, unless otherwise noted. typical values are at t a = +25c.) (note 2) parameter symbol conditions min typ max units load regulation 0ma < i out < 10ma, sink 135 225 v/ma 0ma < i out < 10ma, source 135 225 output current i out -10 +10 ma short-circuit current i sc sourcing to ground 25 ma sinking from v in 25 long-term stability 1000 hours at t a = +25 c 35 ppm thermal hysteresis (note 5) 85 ppm dynamic characteristics noise voltage e out 1/f noise, 0.1hz to 10hz, c out = 0.1f 6.4 v p-p max6071 thermal noise, 10hz to 10khz c out = 0.1f 8.6 v rms max6070 thermal noise, 10hz to 10khz c out = 0.1f, c filter = 0.1f 6.3 ripple rejection frequency = 60hz 86 db turn-on settling time t r settling to 0.01% c out = 0.1f max6070 c filter = 0.1f 6.2 ms max6071 25 s enable settling time t en settling to 0.01% c out = 0.1f max6070 c filter = 0.1f 6.2 ms max6071 65 s capacitive-load stability range i out 10ma 0.1 10 f input supply voltage v in guaranteed by line regulation 2.7 5.5 v quiescent supply current i in t a = +25 c 130 200 a t a = t min to t max 260 shutdown supply current i sd 6 a enable enable input current i en -1 +1 a enable logic-high v ih 0.7 x v in v enable logic-low v il 0.3 x v in maxim integrated
max6070/max6071 low-noise, high-precision series voltage references 6 electrical characteristics max607__aut25 (v out = 2.500v) (v in = +5.0v, i out = 0ma, c out = 0.1 f f, t a = -40 n c to +125 n c, unless otherwise noted. typical values are at t a = +25 n c.) (note 2) parameter symbol conditions min typ max units output output voltage accuracy max6070a/max6071a, t a = +25 c -0.04 +0.04 % max6070b/max6071b, t a = +25 c -0.08 +0.08 output voltage temperature drift (note 3) tcv out max6070a/max6071a 1.5 6 ppm/ c max6070b/max6071b 2.0 8 line regulation over specified v in range t a = +25 c 60 145 v/v t a = t min to t max 175 load regulation 0ma < i out < 10ma, sink 80 140 v/ma 0ma < i out < 10ma, source 75 125 dropout voltage i out = 10ma, t a = t min to t max (note 4) 110 230 mv output current i out -10 +10 ma short-circuit current i sc sourcing to ground 25 ma sinking from v in 25 long-term stability 1000 hours at t a = +25 c 40 ppm thermal hysteresis (note 5) 85 ppm dynamic characteristics noise voltage e out 1/f noise, 0.1hz to 10hz, c out = 0.1f 4.8 v p-p max6071 thermal noise, 10hz to 10khz, c out = 0.1f 6 v rms max6070 thermal noise, 10hz to 10khz, c out = 0.1f, c filter = 0.1f 3 noise spectral density max6071 thermal noise, f = 1khz, c out = 0.1f 60 nv/ hz max6070 thermal noise, f = 1khz, c out = 0.1f, c filter = 0.1f 30 ripple rejection frequency = 60hz 84 db turn-on settling time t r settling to 0.01%, c out = 0.1f max6070, c filter = 0.1f 10 ms max6071 30 s enable settling time t en settling to 0.01%, c out = 0.1f max6070, c filter = 0.1f 10 ms max6071 75 s capacitive-load stability range i out 10ma 0.1 10 f maxim integrated
max6070/max6071 low-noise, high-precision series voltage references 7 electrical characteristics max607__aut25 (v out = 2.500v) (continued) (v in = +5.0v, i out = 0ma, c out = 0.1 f f, t a = -40 n c to +125 n c, unless otherwise noted. typical values are at t a = +25 n c.) (note 2) electrical characteristics max607__aut30 (v out = 3.000v) (v in = +5.0v, i out = 0ma, c out = 0.1f, t a = -40c to +125c, unless otherwise noted. typical values are at t a = +25c.) (note 2) parameter symbol conditions min typ max units input supply voltage v in guaranteed by line regulation 2.8 5.5 v quiescent supply current i in t a = +25 c 150 235 a t a = t min to t max 300 shutdown supply current i sd 0.6 6 a enable/shutdown enable input current i en -1 +1 a enable logic-high v ih 0.7 x v in v enable logic-low v il 0.3 x v in parameter symbol conditions min typ max units output output voltage accuracy max6070a/max6071a, t a = +25 c -0.04 +0.04 % max6070b/max6071b, t a = +25 c -0.08 +0.08 output voltage temperature drift (note 3) tcv out max6070a/max6071a 1.5 6 ppm/ c max6070b/max6071b 2.0 8 line regulation over specified v in range t a = +25 c 90 200 v/v t a = t min to t max 260 load regulation 0ma < i out < 10ma, sink 90 170 v/ma 0ma < i out < 10ma, source 90 150 dropout voltage i out = 10ma, t a = t min to t max (note 4) 80 150 mv output current i out -10 +10 ma short-circuit current i sc sourcing to ground 25 ma sinking from v in 25 long-term stability 1000 hours at t a = +25 c 40 ppm thermal hysteresis (note 5) 85 ppm dynamic characteristics noise voltage e out 1/f noise, 0.1hz to 10hz, c out = 0.1f 4.6 v p-p max6071 thermal noise, 10hz to 10khz, c out = 0.1f 7.8 v rms max6070 thermal noise, 10hz to 10khz, c out = 0.1f, c filter = 0.1f 5.0 ripple rejection frequency = 60hz 80 db maxim integrated
max6070/max6071 low-noise, high-precision series voltage references 8 electrical characteristics max607__aut30 (v out = 3.000v) (continued) (v in = +5.0v, i out = 0ma, c out = 0.1f, t a = -40c to +125c, unless otherwise noted. typical values are at t a = +25c.) (note 2) electrical characteristics max607__ aut33 (v out = 3.300v) (v in = +5.0v, i out = 0ma, c out = 0.1f, t a = -40c to +125c, unless otherwise noted. typical values are at t a = +25c.) (note 2) parameter symbol conditions min typ max units turn-on settling time t r settling to 0.01%, c out = 0.1f max6070, c filter = 0.1f 9.7 ms max6071 40 s enable settling time t en settling to 0.01%, c out = 0.1f max6070, c filter = 0.1f 9.7 ms max6071 75 s capacitive-load stability range i out 10ma 0.1 10 f input supply voltage v in guaranteed by line regulation 3.2 5.5 v quiescent supply current i in t a = +25 c 150 235 a t a = t min to t max 300 shutdown supply current i sd 0.6 6 a enable/shutdown enable input current i en -1 +1 a enable logic-high v ih 0.7 x v in v enable logic-low v il 0.3 x v in parameter symbol conditions min typ max units output output voltage accuracy max6070a/max6071a, t a = +25 c -0.04 +0.04 % max6070b/max6071b, t a = +25 c -0.08 +0.08 output voltage temperature drift (note 3) tcv out max6070a/max6071a 1.5 6 ppm/ c max6070b/max6071b 2.0 8 line regulation over specified v in range t a = +25 c 90 220 v/v t a = t min to t max 285 load regulation 0ma < i out < 10ma, sink 100 190 v/ma 0ma < i out < 10ma, source 100 165 dropout voltage i out = 10ma, t a = t min to t max (note 4) 65 150 mv output current i out -10 10 ma short-circuit current i sc sourcing to ground 25 ma sinking from v in 25 long-term stability 1000 hours at t a = +25 c 40 ppm thermal hysteresis (note 5) 85 ppm maxim integrated
max6070/max6071 low-noise, high-precision series voltage references 9 electrical characteristics max607__ aut33 (v out = 3.300v) (continued) (v in = +5.0v, i out = 0ma, c out = 0.1f, t a = -40c to +125c, unless otherwise noted. typical values are at t a = +25c.) (note 2) electrical characteristics max607__aut41 (v out = 4.096v) (v in = +5.0v, i out = 0ma, c out = 0.1 f f, t a = -40 n c to +125 n c, unless otherwise noted. typical values are at t a = +25 n c.) (note 2) parameter symbol conditions min typ max units dynamic characteristics noise voltage e out 1/f noise, 0.1hz to 10hz, c out = 0.1f 10 v p-p max6071 thermal noise, 10hz to 10khz, c out = 0.1f 9 v rms max6070 thermal noise, 10hz to 10khz, c out = 0.1f, c filter = 0.1f 6 ripple rejection frequency = 60hz 78 db turn-on settling time t r settling to 0.01%, c out = 0.1f max6070, c filter = 0.1f 10 ms max6071 42 s enable settling time t en settling to 0.01%, c out = 0.1f max6070, c filter = 0.1f 10 ms max6071 75 s capacitive-load stability range i out 10ma 0.1 10 f input supply voltage v in guaranteed by line regulation 3.5 5.5 v quiescent supply current i in t a = +25 q c 160 240 a t a = t min to t max 330 shutdown supply current i sd 0.6 6 a enable/shutdown enable input current i en -1 1 a enable logic-high v ih 0.7 x v in v enable logic-low v il 0.3 x v in parameter symbol conditions min typ max units output output voltage accuracy max6070a/max6071a, t a = +25 n c -0.04 +0.04 % max6070b/max6071b, t a = +25 n c -0.08 +0.08 output voltage temperature drift (note 3) tcv out max6070a/max6071a 1.5 6 ppm/ n c max6070b/max6071b 2.0 8 line regulation over specified v in range t a = +25 n c 100 250 f v/v t a = t min to t max 350 maxim integrated
max6070/max6071 low-noise, high-precision series voltage references 10 electrical characteristics max607__aut41 (v out = 4.096v) (continued) (v in = +5.0v, i out = 0ma, c out = 0.1 f f, t a = -40 n c to +125 n c, unless otherwise noted. typical values are at t a = +25 n c.) (note 2) parameter symbol conditions min typ max units load regulation 0ma < i out < 10ma, sink 125 225 f v/ma 0ma < i out < 10ma, source 135 225 dropout voltage i out = 10ma, t a = t min to t max (note 4) 75 150 mv output current i out -10 +10 ma short-circuit current i sc sourcing to ground 25 ma sinking from vin 25 long-term stability 1000 hours at t a = +25 n c 35 ppm thermal hysteresis (note 5) 85 ppm dynamic characteristics noise voltage e out 1/f noise, 0.1hz to 10hz, c out = 0.1 f f 9.6 f v p-p max6071 thermal noise, 10hz to 10khz, c out = 0.1 f f 12 f v rms max6070 thermal noise, 10hz to 10khz, c out = 0.1 f f, c filter = 0.1 f f 9 ripple rejection frequency = 60hz 80 db turn-on settling time t r settling to 0.01%, c out = 0.1 f f max6070, c filter = 0.1 f f 10 ms max6071 40 f s enable settling time t en settling to 0.01%, c out = 0.1 f f max6070, c filter = 0.1 f f 10 ms max6071 85 f s capacitive-load stability range i out p 10ma 0.1 10 f f input supply voltage v in guaranteed by line regulation 4.3 5.5 v quiescent supply current i in t a = +25 n c 150 235 f a t a = t min to t max 350 shutdown supply current i sd 6 f a enable enable input current i en -1 +1 f a enable logic-high v ih 0.7 x v in v enable logic-low v il 0.3 x v in maxim integrated
max6070/max6071 low-noise, high-precision series voltage references 11 electrical characteristics max607__aut50 (v out = 5.000v) (v in = +5.5v, i out = 0ma, c out = 0.1 f f, t a = -40 n c to +125 n c, unless otherwise noted. typical values are at t a = +25 n c.) (note 2) parameter symbol conditions min typ max units output output voltage accuracy max6070a/max6071a, t a = +25 c -0.04 +0.04 % max6070b/max6071b, t a = +25 c -0.08 +0.08 output voltage temperature drift (note 3) tcv out max6070a/max6071a 1.5 6 ppm/ c max6070b/max6071b 2.0 8 line regulation over specified v in range t a = +25 c 200 400 v/v t a = t min to t max 500 load regulation 0ma < i out < 10ma, sink 160 275 v/ma 0ma < i out < 10ma, source 160 275 dropout voltage i out = 10ma, t a = t min to t max (note 6) 60 150 mv output current i out -10 +10 ma short-circuit current i sc sourcing to ground 25 ma sinking from v in 25 long-term stability 1000 hours at t a = +25 c 35 ppm thermal hysteresis (note 5) 85 ppm dynamic characteristics noise voltage e out 1/f noise, 0.1hz to 10hz, c out = 0.1 m f 9 v p-p max6071 thermal noise, 10hz to 10khz, c out = 0.1f 15 v rms max6070 thermal noise, 10hz to 10khz, c out = 0.1f, c filter = 0.1f 12 ripple rejection frequency = 60hz 74 db turn-on settling time t r settling to 0.01%, c out = 0.1f max6070, c filter = 0.1f 10 ms max6071 50 s enable settling time t en settling to 0.01%, c out = 0.1f max6070, c filter = 0.1f 10 ms max6071 100 s capacitive-load stability range i out 10ma 0.1 10 f maxim integrated
max6070/max6071 low-noise, high-precision series voltage references 12 note 2: limits are 100% production tested at t a = +25 n c. specifications where t a < +25 n c or t a > +25 n c are guaranteed by design and characterization. note 3 : temperature coefficient is calculated using the box method which measures temperature drift as the maximum voltage variation over a specified temperature range. the unit of measurement is ppm/c. note 4: dropout voltage is defined as the minimum differential voltage (v in - v out ) at which v out decreases by 0.2% from its original value at v in = 5.0v. note 5: thermal hysteresis is defined as the change in +25 n c output voltage before and after cycling the device from t max to t min . note 6: dropout voltage is defined as the minimum differential voltage (v in C v out ) at which v out decreases by 0.2% from its original value at v in = 5.5v. electrical characteristics max607__aut50 (v out = 5.000v) (continued) (v in = +5.5v, i out = 0ma, c out = 0.1 f f, t a = -40 n c to +125 n c, unless otherwise noted. typical values are at t a = +25 n c.) (note 2) parameter symbol conditions min typ max units input supply voltage v in guaranteed by line regulation 5.2 5.5 v quiescent supply current i in t a = +25 c 160 250 a t a = t min to t max 330 shutdown supply current i sd 6 a enable enable input current i en -1 +1 a enable logic-high v ih 0.7 x v in v enable logic-low v il 0.3 x v in maxim integrated
13 typical operating characteristics (t a = +25c , unless otherwise noted.) max6071_12 output voltage temperature drift max6070 toc01a temperature (c) output voltage (v) 100 75 50 25 0 -25 1.2497 1.2500 1.2502 1.2505 1.2495 -50 125 max6071_25 output voltage temperature drift max6070 toc01b temperature (c) output voltage (v) 100 75 50 25 0 -25 2.4995 2.5000 2.5005 2.5010 2.4990 -50 125 max6071_41 output voltage temperature drift max6070 toc01c temperature (c) output voltage (v) 100 75 50 25 0 -25 4.0945 -50 125 4.0950 4.0955 4.0960 4.0965 4.0970 4.0975 max6070_12 output voltage long-term drift max6070 toc02a duration (hours) output voltage change (ppm) 1500 1000 500 15 40 65 90 -10 0 2000 four typical units max6070_25 output voltage long-term drift max6070 toc2b duration (hours) output voltage change (ppm) 1500 1000 500 15 40 65 90 -10 0 2000 four typical units max6070_41 output voltage long-term drift max6070 toc02c duration (hours) output voltage change (ppm) 1500 1000 500 15 40 65 90 -10 0 2000 four typical units max6071_25 line regulation max6070 toc03 input voltage (v) supply current (ma) 4.8 4.1 3.4 2.4995 2.5000 2.5005 2.5010 2.4990 2.7 5.5 max6071_25 load regulation max6070 toc04 output current (ma) output voltage (v) 5 0 -5 2.4990 2.4995 2.5000 2.5005 2.5010 2.5015 2.5020 2.4985 -10 10 t a = +85c t a = +125c t a = 0c t a = -40c max6071_12 psrr vs. frequency max6070 toc05a frequency (hz) psrr (db) 10k 1k 100 20 40 60 80 100 120 0 10 100k max6070/max6071 low-noise, high-precision series voltage references maxim integrated
14 typical operating characteristics (continued) (t a = +25c , unless otherwise noted.) max6071_25 psrr vs. frequency max6070 toc05b frequency (hz) psrr (db) 10k 1k 100 10 20 30 40 50 60 70 80 90 100 0 10 100k max6071_41 psrr vs. frequency max6070 toc05c frequency (hz) psrr (db) 10k 1k 100 90 0 10 100k 10 20 30 40 50 60 70 80 max6071_12 supply current vs. input voltage max6070 toc06a input voltage (v) 4.8 4.1 3.4 20 40 60 80 100 120 140 160 180 200 0 2.7 5.5 supply current (a) max6071_25 supply current vs. input voltage max6070 toc06b input voltage (v) supply current (a) 4.8 4.1 3.4 20 40 60 80 100 120 140 160 180 200 0 2.7 5.5 max6071_41 supply current vs. input voltage max6070 toc06c input voltage (v) 5.2 4.9 4.6 20 40 60 80 100 120 140 160 180 200 0 4.3 5.5 supply current (a) max6071_12 r out vs. frequency max6070 toc07a frequency (hz) r out (i) 10k 1k 100 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0 10 100k 1ma sourcing 1ma sinking max6071_25 r out vs. frequency max6070 toc07b frequency (hz) r out (i) 10k 1k 100 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0 10 100k 1ma sinking 1ma sourcing max6071_41 r out vs. frequency max6070 toc07c frequency (hz) r out (i) 10k 1k 100 1.2 0 10 100k 1ma sourcing 1ma sinking 0.2 0.4 0.6 0.8 1.0 max6071_12 supply current vs. temperature max6070 toc08a temperature (c) 100 75 50 25 0 -25 -50 125 supply current (a) 20 40 60 80 120 140 160 180 200 0 100 v in = 5.5v v in = 2.7v max6070/max6071 low-noise, high-precision series voltage references maxim integrated
15 typical operating characteristics (continued) (t a = +25c , unless otherwise noted.) max6071_25 supply current vs. temperature max6070 toc08b temperature (c) supply current (a) 100 75 50 25 0 -25 50 100 150 200 250 0 -50 125 v in = 2.8v v in = 5.5v 50 100 150 200 max6071_41 supply current vs. temperature max6070 toc08c temperature (c) 100 75 50 25 0 -25 -50 125 supply current (a) 250 0 v in = 5.5v v in = 4.3v max6070_12 output noise (0.1hz to 10hz) max6070 toc09a 2v/div 1s /div v out = 1.25v max6070_25 output noise (0.1hz to 10hz) max6070 toc09b 2v/div 1s/div v out = 2.50v max6070_41 output noise (0.1hz to 10hz) max6070 toc09c 4v/div 1s /div v out = 4.096v max6070_12 output noise density vs. frequency max6070 toc10a frequency (hz) output noise density (nv/hz) 100 1k 10 100 1k 1 10 10k c f = 0.1f c f = 0f max6070_25 output noise density vs. frequency max6070 toc10b frequency (hz) output noise density (nv/hz) 100 1k 10 100 1k 1 10 10k c f = 0.1f c f = 0f max6070_41 output noise density vs. frequency max6070 toc10c frequency (hz) output noise density (nv/hz) 100 1k 10 100 1k 1 10 10k c f = 0.1f c f = 0f max6070/max6071 low-noise, high-precision series voltage references maxim integrated
16 typical operating characteristics (continued) (t a = +25c , unless otherwise noted.) max6070_25 turn-on transient (c filter = 0.1f) max6070 toc12b v in 0v v in = 5v v out = 2.5v v out 0v 4ms /div 0.01% settling time = 9.6ms max6070_41 turn-on transient (c filter = 0f) max6070 toc11c v in = 0v v out = 4.096v v out = 0v 10s /div 0.01% settling time = 41s v in = 5v max6070_12 turn-on transient (c filter = 0f) max6070 toc11a v in = 0v v in = 5v v out = 1.25v v out = 0v 10s /div 0.01% settling time = 21s max6070_41 turn-on transient (c filter = 0.1f) max6070 toc12c v in = 0v v out = 4.096v v in = 5v v out = 0v 4ms /div 0.01% settling time = 10ms max6070_12 turn-on transient (c filter = 0.1f) max6070 toc12a v in = 0v v out = 1.25v v out = 0v 2ms /div 0.01% settling time = 6.1ms v in = 5v max6070_25 turn-on transient (c filter = 0f) max6070 toc11b v in 0v v in = 5v v out = 2.5v v out 0v 10s /div 0.01% settling time = 33s max6070/max6071 low-noise, high-precision series voltage references maxim integrated
17 typical operating characteristics (continued) (t a = +25c , unless otherwise noted.) max6070_25 line transient (c out = 0.1f) max6070 toc14b v in = 4.35v v out 20mv/div 20s /div v in = 3.85v v in 200mv/div max6071_41 10ma load transient (c out = 0.1f) max6070 toc13c v out = 4.096v v out = 0v i out v out source 10ma sink 10ma 10s /div max6071_12 10ma load transient (c out = 0.1f) max6070 toc13a v out = 1.25v v out = 0v i out v out source 10ma sink 10ma 10s /div max6070_41 line transient (c out = 0.1f) max6070 toc14c v in = 5.25v v out 200mv/div 20s /div v in = 4.75v v in 200mv/div max6070_12 line transient (c out = 0.1f) max6070 toc14a v in = 4.35v v out 20mv/div 20s /div v in = 3.85v v in 200mv/div max6071_25 10ma load transient (c out = 0.1f) max6070 toc13b v out = 2.5v v out = 0v i out v out source 10ma sink 10ma 10s /div max6070/max6071 low-noise, high-precision series voltage references maxim integrated
18 typical operating characteristics (continued) (t a = +25c , unless otherwise noted.) max6070_41 enable transient (c filter = 0f) max6070 toc19 v in = 0v v out = 0v 10 s /div v in = 5v v out = 4.096v 0.01% settling time = 85s max6070_25 enable transient (c filter = 0f) max6070 toc17 v in = 0v v out = 0v 10s /div v in = 5v v out = 2.5v 0.01% settling time = 75s max6070_12 enable transient (c filter = 0f) max6070 toc15 v in = 0v v in = 5v v out = 1.25v v out = 0v 10s /div 0.01% settling time = 63s max6070_41 enable transient (c filter = 0.1f) max6070 toc20 v in = 0v v out = 0v 4ms /div v in = 5v v out = 4.096v 0.01% settling time = 10ms max6070_25 enable transient (c filter = 0.1f) max6070 toc18 v in = 0v v out = 0v 4ms /div v in = 5v v out = 2.5v 0.01% settling time = 9.6ms max6070_12 enable transient (c filter = 0.1f) max6070 toc16 v in = 0v v out = 0v 2ms /div 0.01% settling time = 6.1ms v in = 5v v out = 1.25v max6070/max6071 low-noise, high-precision series voltage references maxim integrated
max6070/max6071 low-noise, high-precision series voltage references 19 pin description pin configurations pin name function max6070 max6071 1 filter filter input. connect a 0.1f capacitor from filter to ground to provide high-frequency bypass. leave unconnected, if not used. 1 gndf ground force 2 gnd ground - 2 gnds ground sense. connect to ground connection at the load. 3 3 en enable. drive high to enable the device. drive low to disable the device. 4 4 in supply input 5 5 outs voltage reference sense output 6 6 outf voltage reference force output. short outf to outs as close as possible to the load. bypass outf with a capacitor (0.1f to 10f) to gnd. max6070 top view gnd en 1 filter 2 3 in 6 outf 5 outs + 4 max6071 gnds en 1 gndf 2 3 in 6 outf 5 outs + 4 sot23 sot23 maxim integrated
max6070/max6071 low-noise, high-precision series voltage references 20 detailed description wideband noise reduction (filter) to improve wideband noise and transient power-supply noise with the max6070, connect a 0.1 f f capacitor from filter to gnd ( see the typical operating characteristics ). larger values do not appreciably improve noise reduction. a 0.1 f f capacitor reduces the spectral noise density at 1khz from 60nv/ hz to 30nv/ hz for the 2.5v output. noise at the input pin can affect output noise, but can be reduced by connecting an optional bypass capacitor between in and gnd as shown in figure 1 . output bypassing the max6070/max6071 require an output capacitor between 0.1 f f and 10 f f. place the output capacitor as close to outf as possible. for applications driving switching capacitive loads or rapidly changing load cur - rents, use a 0.1f capacitor in parallel with a larger load capacitor to reduce equivalent series resistance (esr). larger capacitor values and lower esr reduce transients on the reference output. supply current the max6070/max6071 draw 150 f a of current and are virtually independent of the supply voltage, with only a 1.6 f a / v variation with supply voltage. thermal hysteresis thermal hysteresis is the change of output voltage at t a = +25 n c before and after the device is cycled over its entire operating temperature range. the typical thermal hysteresis value is 85ppm. turn-on time these devices typically turn on and settle to within 0.01% of their final value in 30 f s. a noise reduction capacitor of 0.1 f f increases the turn-on time of the max6070 to 10ms. output force and sense the max6070/max6071 provide independent connec - tions for the force output (outf) supplying current to the load and the circuit input regulating the load voltage via the output sense pin (outs). this configuration allows for the cancellation of the voltage drop on the lines connect - ing the max6070/max6071 and the load. when using the kelvin connection made possible by the independent force and sense outputs, connect outf to the load and connect outs to outf at the point where the voltage accuracy is needed (see figure 1 ). the max6071 fea - tures the same type of kelvin connection to cancel drops in the ground return line. connect the load to ground and connect gnds to ground as close as possible to the load ground connection (see figure 2 ). shutdown the max6070/max6071 feature an active-high enable pin (en). pulling en low disables the output with a resis - tive load to ground and forces the quiescent current to less than 1a. the value of the load is typically 200k. pulling en high enables normal operation. applications information wideband noise reduction figure 1 shows a typical noise reduction filter application circuit. note that the use of the wideband noise filter will increase turn-on time. high-resolution dac and reference from a single supply figure 2 shows a typical circuit providing the reference for a high-resolution, 16-bit max541 dac. precision current source figure 3 shows a typical circuit providing a precision cur - rent source. the outf output provides the bias current for the bipolar transistor. outs and gnds sense the volt - age across the resistor and adjust the current sourced by outf accordingly. figure 1. reference output kelvin connection filter gnd en outf outs in 5v supply load max6070 0.1f 0.1f 0.1f maxim integrated
max6070/max6071 low-noise, high-precision series voltage references 21 figure 3. precision current source figure 2. reference ground kelvin connection selector guide part filter v out (v) accuracy (%) top mark max6070aaut12+t yes 1.25 0.04 +acpf max6070aaut18+t yes 1.8 0.04 +acph max6070aaut21+t yes 2.048 0.04 +acpj MAX6070AAUT25+t yes 2.5 0.04 +acpl max6070aaut30+t yes 3.0 0.04 +acpn max6070aaut33+t yes 3.3 0.04 +acpp max6070aaut41+t yes 4.096 0.04 +acpr max6070aaut50+t yes 5.0 0.04 +acpv max6070baut12+t yes 1.25 0.08 +acpg max6070baut18+t yes 1.8 0.08 +acpi max6070baut21+t yes 2.048 0.08 +acpk max6070baut25+t yes 2.5 0.08 +acpm max6070baut30+t yes 3.0 0.08 +acpo max6070baut33+t yes 3.3 0.08 +acpq max6070baut41+t yes 4.096 0.08 +acps max6070baut50+t yes 5.0 0.08 +acpw max6071aaut12+t no 1.25 0.04 +acpx max6071aaut18+t no 1.8 0.04 +acpz max6071aaut21+t no 2.048 0.04 +acqb max6071aaut25+t no 2.5 0.04 +acqd max6071aaut30+t no 3.0 0.04 +acqf outf i source r outs v out(nominal) / r = i source in gnd gnds max6071 5v supply gnd gnd gnds en outf outs ref out v dd in 5v supply max6071 max541 dac load 0.1f 0.1f 0.1f maxim integrated
max6070/max6071 low-noise, high-precision series voltage references 22 selector guide (continued) ordering information + denotes a lead(pb)-free/rohs-compliant package. note: the max6070/max6071 are available in a or b grade with various output voltages. choose the desired grade and output voltage from the selector guide and insert the suffix in the blank above to complete the part number. package information for the latest package outline information and land patterns (foot - prints), go to www.maximintegrated.com/packages . note that a +, #, or - in the package code indicates rohs status only. package drawings may show a different suffix character, but the drawing pertains to the package regardless of rohs status. chip information process: bipolar part filter v out (v) accuracy (%) top mark max6071aaut33+t no 3.3 0.04 +acqh max6071aaut41+t no 4.096 0.04 +acqj max6071aaut50+t no 5.0 0.04 +acqn max6071baut12+t no 1.25 0.08 +acpy max6071baut18+t no 1.8 0.08 +acqa max6071baut21+t no 2.048 0.08 +acqc max6071baut25+t no 2.5 0.08 +acqe max6071baut30+t no 3.0 0.08 +acqg max6071baut33+t no 3.3 0.08 +acqi max6071baut41+t no 4.096 0.08 +acqk max6071baut50+t no 5.0 0.08 +acqo part temp range pin- package max6070 _aut_ _+t -40 n c to +125 n c 6 sot23 max6071 _aut_ _+t -40 n c to +125 n c 6 sot23 package type package code document no. land pattern no. sot23-6 u6+5 21-0058 90-0175 maxim integrated
maxim integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a maxim integrated product. no circuit patent licenses are implied. maxim integrated reserves the right to change the circuitry and specifications without notice at any time. the parametric values (min and max limits) shown in the electrical characteristics table are guaranteed. other parametric values quoted in this data sheet are provided for guidance. maxim integrated 160 rio robles, san jose, ca 95134 usa 1-408-601-1000 23 ? 2013 maxim integrated products, inc. maxim integrated and the maxim integrated logo are trademarks of maxim integrated products, inc. revision history revision number revision date description pages changed 0 10/12 initial release 1 1/13 added 2.048v, 3.0v, and 5.0v options to data sheet. revised general description , benefits and features , absolute maximum ratings , electrical characteristics , and selector guide . 1C9, 17, 18 2 3/13 added 1.8v and 3.3v options to data sheet. revised general description , benefits and features , electrical characteristics , and selector guide . 1, 2C12, 21, 22 max6070/max6071 low-noise, high-precision series voltage references
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