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august 2006 1 mic862 mic862 mic862 dual ultra low power op amp in sot23-8 general description the mic862 is a dual low power operational ampli? er in sot23-8 package. it is designed to operate in the 2v to 5v range, rail-to-rail output, with input common-mode to ground. the mic862 provides 3mhz gain-bandwidth product while consuming only a 31a/channel supply current. with low supply voltage and sot23-8 packaging, mic862 provides two channels as general-purpose ampli? ers for por- table and battery-powered applications. its package provides the maximum performance available while maintaining an extremely slim form factor. the minimal power consumption of this ic maximizes the battery life potential. features ? sot23-8 packaging ? 3mhz gain-bandwidth product ? 5mhz, C3db bandwidth ? 31a supply current ? rail-to-rail output ? ground sensing at input (common mode to gnd) ? drive large capactive loads ? unity gain stable applications ? portable equipment ? medical insrument ? pdas ? pagers ? cordless phones ? consumer electronics micrel, inc. ? 2180 fortune drive ? san jose, ca 95131 ? usa ? tel + 1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com ordering information part number marking ambient temp. range package mic862bm8 a34 C40c to +85c sot23-8 MIC862YM8 a 34 C40c to +85c sot23-8 pb-free typical application 50? 0.1f 10f 100pf 510? 1 / 2 mic862 1 / 2 mic862 v out v+ rf peak detector circuit for am radio ordering information ordering information part number marking ambient temp. range package mic862bm8 a34 C40c to +85c sot23-8 pb-free ordering information part number marking ambient temp. range package mic862bm8 a34 C40c to +85c sot23-8 34 C40c to +85c sot23-8 pb-free part number marking ambient temp. range package mic862bm8 a34 C40c to +85c sot23-8 34 C40c to +85c sot23-8 pb-free
mic862 micrel mic862 2 august 2006 pin description pin number pin name pin function 1 outa output: ampli? er a output 2 inaC ampli? er a inverting (input) 3 ina+ ampli? er a non-inverting (input) 4 vC negative supply 5 inb+ ampli? er b non-inverting (input) 6 inbC ampli? er b inverting (input) 7 outb output: ampli? er b output 8 v+ positive supply pin con? guration 1 outa inaC ina+ vC 8 v+ outb inbC inb+ 7 6 5 2 3 4 sot23-8 (m8) pin number pin name pin function 1 outa output: ampli? er a output 2 inaC ampli? er a inverting (input) 3 ina+ ampli? er a non-inverting (input) 6 inbC ampli? er b inverting (input) 8 v+ positive supply pin number pin name pin function 1 outa output: ampli? er a output 2 inaC ampli? er a inverting (input) 3 ina+ ampli? er a non-inverting (input) 4 vC negative supply 5 inb+ 6 inbC ampli? er b inverting (input) 7 outb 8 v+ positive supply pin number pin name pin function 1 outa output: ampli? er a output 2 inaC ampli? er a inverting (input) 3 ina+ ampli? er a non-inverting (input) 4 vC negative supply 6 inbC ampli? er b inverting (input) 8 v+ positive supply
august 2006 3 mic862 mic862 micrel absolute maximum ratings (1) supply voltage (v v+ C vC) .......................................... +6.0v differential input voltage ( ? v in+ C v inC ? ), note 4 ...... +6.0v input voltage (v in+ C v inC ) ................... v + + 0.3v, v C C0.3v lead temperature (soldering, 5 sec.) ........................ 260c output short circuit current duration ................... inde? nite operating temperature ............................. C40c to +125c storage temperature (t s ) ......................................... 150c esd rating, note 3 operating ratings (2) supply voltage (v+ C vC) ............................. +2v to +5.25v ambient temperature range ...................... C40c to +85c package thermal resistance ........................... pcb boards ja (using 4 layer pcb) .......................................... 100c/w jc (using 4 layer pcb) ................................... 70c/w electrical characteristics v+ = +2v, vC = 0v, v cm = v+/2; r l = 500k to v+/2; t a = 500k to v+/2; t a = 500k to v+/2; t = 25c, unless otherwise noted. bold values indicate C40c t a values indicate C40c t a values indicate C40c t +85c. symbol parameter condition min typ max units v os input offset voltage C6 0.1 6 mv C5 5 differential offset voltage 0.5 mv input offset voltage temp coef? cient 6 v/c i b input bias current 10 pa i os input offset current 5 pa v cm input voltage range (from vC) cmrr > 50db 0.5 1 v cmrr common-mode rejection ratio 0 < v cm < 1v 45 75 db psrr power supply rejection ratio supply voltage change of 2 v to 2.7v 50 78 db a vol a vol a large-signal voltage gain r vol large-signal v oltage gain r vol l = 5k, v l = 5k, v l out = 1.4v p-p 66 74 db r l = 100k, v l = 100k, v l out = 1.4v p-p 75 89 db r l = 500k, v l = 500k, v l out = 1.4v p-p 85 100 db v out maximum output voltage swing r l = 5k v+C80mv v+C55mv v r l = 500k v+C3mv v+C1.4mv v v out minimum output voltage swing r l = 5k vC+14mv vC+ 20mv mv r l = 500k vC+0.85mv vC+ 3mv mv gbw gain-bandwidth product r l = 20k, c l = 20k, c l l = 2pf, av = 11 2.1 mhz l = 2pf , a v = 1 1 2.1 mhz l pm phase margin r l = 20k, c l = 20k, c l l = 2pf, av = 11 57 l = 2pf , a v = 1 1 57 l bw C3db bandwidth r l = 1m, c l = 1m, c l l = 2pf, av = 1 4.2 mhz l = 2pf , a v = 1 4.2 mhz l sr slew rate r l = 1m, c l = 1m, c l l = 2pf, av = 1, 2 v/s l = 2pf , a v = 1, 2 v/s l positive slew rate = 1.5v/s i sc short-circuit output current source 1.8 2.6 ma sink 1.5 2.2 ma i s supply current (per op amp) no load 27 43 a channel-to-channel crosstalk note 5 C100 db v+ = +2.7v, vC = 0v, v cm = v+/2; r l = 500k to v+/2; t a = 500k to v+/2; t a = 500k to v+/2; t = 25c, unless otherwise noted. bold values indicate C40c t a values indicate C40c t a values indicate C40c t +85c. v os input offset voltage C6 0.1 6 mv C5 5 differential offset voltage 0.5 mv input offset voltage temp coef? cient 6 v/c i b input bias current 10 pa i os input offset current 5 pa v cm input voltage range cmrr > 60db 1 1.8 v cmrr common-mode rejection ratio 0 < v cm < 1.35v 65 83 db input offset voltage C5 5 differential offset voltage 0.5 mv input offset current 5 pa input voltage range cmrr > 60db cmrr common-mode rejection ratio 0 < v input offset voltage C5 5 differential offset voltage 0.5 mv input bias current 10 pa input offset current 5 pa input voltage range cmrr > 60db cmrr common-mode rejection ratio 0 < v C5 5 differential offset voltage 0.5 mv 6 v/c input bias current 10 pa input offset current 5 pa 0.1 C5 5 differential offset voltage 0.5 mv 6 v/c input bias current 10 pa input offset current 5 pa 1.8 v 83 db C5 5 differential offset voltage 0.5 mv 6 v/c input bias current 10 pa input offset current 5 pa 1.8 v 83 db mv differential offset voltage 0.5 mv 6 v/c input bias current 10 pa input offset current 5 pa 1.8 v 83 db symbol parameter condition min typ max units input offset voltage C5 5 differential offset voltage 0.5 mv input offset current 5 pa input voltage range (from vC) cmrr > 50db cmrr common-mode rejection ratio 0 < v psrr power supply rejection ratio supply voltage change of large-signal voltage gain r r r maximum output voltage swing r r minimum output voltage swing r r gbw gain-bandwidth product r pm phase margin r bw C3db bandwidth r sr slew rate r positive slew rate = 1.5v/s short-circuit output current source sink supply current (per op amp) no load 27 channel-to-channel crosstalk note 5 C100 db symbol parameter condition min typ max units input offset voltage C5 5 differential offset voltage 0.5 mv input bias current 10 pa input offset current 5 pa input voltage range (from vC) cmrr > 50db cmrr common-mode rejection ratio 0 < v psrr power supply rejection ratio supply voltage change of large-signal voltage gain r r r maximum output voltage swing r r minimum output voltage swing r r gbw gain-bandwidth product r pm phase margin r bw C3db bandwidth r sr slew rate r positive slew rate = 1.5v/s short-circuit output current source sink supply current (per op amp) no load 27 channel-to-channel crosstalk note 5 C100 db symbol parameter condition min typ max units C5 5 differential offset voltage 0.5 mv 6 v/c input bias current 10 pa input offset current 5 pa = 2pf, av = 11 2.1 mhz = 2pf, av = 11 57 = 2pf, av = 1 4.2 mhz = 2pf, av = 1, 2 v/s supply current (per op amp) no load 27 channel-to-channel crosstalk note 5 C100 db symbol parameter condition min typ max units 0.1 C5 5 differential offset voltage 0.5 mv 6 v/c input bias current 10 pa input offset current 5 pa 1 v 75 db 78 db 74 db 89 db 100 db v+C55mv v+C1.4mv vC+14mv vC+0.85mv = 2pf, av = 11 2.1 mhz = 2pf, av = 11 57 = 2pf, av = 1 4.2 mhz = 2pf, av = 1, 2 v/s 2.6 ma 2.2 ma supply current (per op amp) no load 27 channel-to-channel crosstalk note 5 C100 db symbol parameter condition min typ max units C5 5 differential offset voltage 0.5 mv 6 v/c input bias current 10 pa input offset current 5 pa 1 v 75 db 78 db 74 db 89 db 100 db = 2pf, av = 11 2.1 mhz = 2pf, av = 11 57 = 2pf, av = 1 4.2 mhz = 2pf, av = 1, 2 v/s 2.6 ma 2.2 ma channel-to-channel crosstalk note 5 C100 db symbol parameter condition min typ max units mv differential offset voltage 0.5 mv 6 v/c input bias current 10 pa input offset current 5 pa 1 v 75 db 78 db 74 db 89 db 100 db v v mv mv = 2pf, av = 11 2.1 mhz = 2pf, av = 11 57 = 2pf, av = 1 4.2 mhz = 2pf, av = 1, 2 v/s 2.6 ma 2.2 ma a channel-to-channel crosstalk note 5 C100 db
mic862 micrel mic862 4 august 2006 symbol parameter condition min typ max units psrr power supply rejection ratio supply voltage change of 2.7 v to 3v 60 85 db a vol a vol a large-signal voltage gain r vol large-signal v oltage gain r vol l = 5k, v l = 5k, v l out = 2v p-p 65 77 db r l = 100k, v l = 100k, v l out = 2v p-p 80 90 db r l = 500k, v l = 500k, v l out = 2v p-p 90 101 db gbw gain-bandwidth product r l = 20k, c l = 20k, c l l = 2pf, av = 11 2.3 mhz l = 2pf , a v = 1 1 2.3 mhz l pm phase margin r l = 20k, c l = 20k, c l l = 2pf, av = 11 50 l = 2pf , a v = 1 1 50 l bw C3 db bandwidth r l = 1m, c l = 1m, c l l = 2pf, av = 1 4.2 mhz l = 2pf , a v = 1 4.2 mhz l sr slew rate r l = 1m, c l = 1m, c l l = 2pf, av = 1 3 v/s l = 2pf , a v = 1 3 v/s l positive slew rate 1.5v/s i sc short-circuit output current source 4.5 6.3 ma sink 4.5 6.2 ma i s supply current (per op amp) no load 28 45 a channel-to-channel crosstalk note 5 C120 db v+= +5v, vC= 0v, v cm = v+/2; r l = 500k to v+/2; t a = 500k to v+/2; t a = 500k to v+/2; t = 25c, unless otherwise noted. bold values indicate C40c t a values indicate C40c t a values indicate C40c t +85c. v os input offset voltage C6 0.1 6 mv C5 5 differential offset voltage 0.5 mv input offset voltage temp coef? cient 6 v/c i b input bias current 10 pa i os input offset current 5 pa v cm input voltage range (from vC) cmrr > 60db 3.5 4.1 v cmrr common-mode rejection ratio 0 < v cm < 3.5v, 60 87 db psrr power supply rejection ratio supply voltage change from 3v to 5v 60 92 db a vol a vol a large-signal voltage gain r vol large-signal v oltage gain r vol l = 5k, v l = 5k, v l out = 4.8v p-p 65 73 db r l = 100k, v l = 100k, v l out = 4.8v p-p 80 86 db r l = 500k, v l = 500k, v l out = 4.8v p-p 89 96 db v out maximum output voltage swing r l = 5k v+C50mv v+C37mv v r l = 500k v+C3mv v+C1.3mv v v out minimum output voltage swing r l = 5k vC+24mv vC+ 40mv mv r l = 500k vC+0.7mv vC+ 3mv mv gbw gain-bandwidth product r l = 20k, c l = 20k, c l l = 2pf, av = 11 3 mhz l = 2pf , a v = 1 1 3 mhz l pm phase margin 45 bw C3 db bandwidth r l = 1m, c l = 1m, c l l = 2pf, av = 1 5 mhz l = 2pf , a v = 1 5 mhz l sr slew rate r l = 1m, c l = 1m, c l l = 2pf, av = 1 4 v/s l = 2pf , a v = 1 4 v/s l positive slew rate 1.8v/s i sc short-circuit output current source 17 23 ma sink 18 27 ma i s supply current (per op amp) no load 31 47 a channel-to-channel crosstalk note 5 C120 db note 1 . exceeding the absolute maximum rating may damage the device. note 2. the device is not guaranteed to function outside its operating rating. note 3. devices are esd sensitive. handling precautions recommended. human body model, 1.5k in series with 100pf . pin 4 is esd sensitive note 4. exceeding the maximum differential input voltage will damage the input stage and degrade performance (in particular, input bias current is likely to increase. note 5. dc signal referenced to input. refer to typical characteristics graphs for ac performance. symbol parameter condition min typ max units psrr power supply rejection ratio supply voltage change of large-signal voltage gain r r r gbw gain-bandwidth product r pm phase margin r bw C3 db bandwidth r sr slew rate r positive slew rate 1.5v/s short-circuit output current source sink supply current (per op amp) no load 28 channel-to-channel crosstalk note 5 C120 db symbol parameter condition min typ max units psrr power supply rejection ratio supply voltage change of large-signal voltage gain r r r gbw gain-bandwidth product r pm phase margin r bw C3 db bandwidth r sr slew rate r positive slew rate 1.5v/s short-circuit output current source sink supply current (per op amp) no load 28 channel-to-channel crosstalk note 5 C120 db symbol parameter condition min typ max units = 2pf, av = 11 2.3 mhz = 2pf, av = 11 50 = 2pf, av = 1 4.2 mhz = 2pf, av = 1 3 v/s supply current (per op amp) no load 28 channel-to-channel crosstalk note 5 C120 db symbol parameter condition min typ max units 85 db 77 db 90 db 101 db = 2pf, av = 11 2.3 mhz = 2pf, av = 11 50 = 2pf, av = 1 4.2 mhz = 2pf, av = 1 3 v/s 6.3 ma 6.2 ma supply current (per op amp) no load 28 channel-to-channel crosstalk note 5 C120 db symbol parameter condition min typ max units 85 db 77 db 90 db 101 db = 2pf, av = 11 2.3 mhz = 2pf, av = 11 50 = 2pf, av = 1 4.2 mhz = 2pf, av = 1 3 v/s 6.3 ma 6.2 ma channel-to-channel crosstalk note 5 C120 db symbol parameter condition min typ max units 85 db 77 db 90 db 101 db = 2pf, av = 11 2.3 mhz = 2pf, av = 11 50 = 2pf, av = 1 4.2 mhz = 2pf, av = 1 3 v/s 6.3 ma 6.2 ma a channel-to-channel crosstalk note 5 C120 db input offset voltage C5 5 differential offset voltage 0.5 mv input offset current 5 pa input voltage range (from vC) cmrr > 60db cmrr common-mode rejection ratio 0 < v psrr power supply rejection ratio supply voltage change from 3v to 5v large-signal voltage gain r r r maximum output voltage swing r r minimum output voltage swing r r gbw gain-bandwidth product r pm phase margin 45 bw C3 db bandwidth r sr slew rate r positive slew rate 1.8v/s short-circuit output current source sink supply current (per op amp) no load 31 channel-to-channel crosstalk note 5 C120 db input offset voltage C5 5 differential offset voltage 0.5 mv input bias current 10 pa input offset current 5 pa input voltage range (from vC) cmrr > 60db cmrr common-mode rejection ratio 0 < v psrr power supply rejection ratio supply voltage change from 3v to 5v large-signal voltage gain r r r maximum output voltage swing r r minimum output voltage swing r r gbw gain-bandwidth product r pm phase margin 45 bw C3 db bandwidth r sr slew rate r positive slew rate 1.8v/s short-circuit output current source sink supply current (per op amp) no load 31 channel-to-channel crosstalk note 5 C120 db C5 5 differential offset voltage 0.5 mv 6 v/c input bias current 10 pa input offset current 5 pa = 2pf, av = 11 3 mhz pm phase margin 45 = 2pf, av = 1 5 mhz = 2pf, av = 1 4 v/s supply current (per op amp) no load 31 channel-to-channel crosstalk note 5 C120 db 0.1 C5 5 differential offset voltage 0.5 mv 6 v/c input bias current 10 pa input offset current 5 pa 4.1 v 87 db 92 db 73 db 86 db 96 db v+C37mv v+C1.3mv vC+24mv vC+0.7mv = 2pf, av = 11 3 mhz pm phase margin 45 = 2pf, av = 1 5 mhz = 2pf, av = 1 4 v/s 23 ma 27 ma supply current (per op amp) no load 31 channel-to-channel crosstalk note 5 C120 db C5 5 differential offset voltage 0.5 mv 6 v/c input bias current 10 pa input offset current 5 pa 4.1 v 87 db 92 db 73 db 86 db 96 db = 2pf, av = 11 3 mhz pm phase margin 45 = 2pf, av = 1 5 mhz = 2pf, av = 1 4 v/s 23 ma 27 ma channel-to-channel crosstalk note 5 C120 db mv differential offset voltage 0.5 mv 6 v/c input bias current 10 pa input offset current 5 pa 4.1 v 87 db 92 db 73 db 86 db 96 db v v mv mv = 2pf, av = 11 3 mhz pm phase margin 45 = 2pf, av = 1 5 mhz = 2pf, av = 1 4 v/s 23 ma 27 ma a channel-to-channel crosstalk note 5 C120 db
august 2006 5 mic862 mic862 micrel 0 4 8 12 16 20 24 28 32 36 40 44 0.9 0 0 . 9 0 1.06 1.22 1.38 1.54 1.7 1.86 2.02 2.18 2.34 2.5 short-circuit current (ma) supply voltage ( ?v) short circuit current vs. supp l y volt ag e sinkin g 85 ? c 25 ? c -4 0 ? c 0 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50 2.75 0 - 0 0 - 0 6 0 - 6 0 - -12 -18 -24 -30 output voltage (v) output current (ma) ou tp ut volt ag e vs. ou tp ut cu rrent 25 ? c -4 0 ? c 85 ? c sour cing -4 0 0.135 0.27 0.405 0.54 0.675 0.81 0.945 1.08 1.215 1.35 1.485 0 1 2 3 4 5 6 7 8 9 0 0 1 2 3 4 5 6 7 8 9 0 10 output voltage (v) output current (ma) ou tp ut volt ag e vs. ou tp ut cu rrent sour cing 25 ? c 85 ? c -4 0 ? c -4 0 3 6 9 12 15 18 21 24 27 30 33 0.9 0 0 . 9 0 1.06 1.22 1.38 1.54 1.7 1.86 2.02 2.18 2.34 2.5 short-circuit current (ma) supply voltage ( ?v) short circuit current vs. supp l y volt ag e -4 0 ? c 25 ? c sour cing 85 ? c -1.350 -1.215 -1.080 -0.945 -0.810 -0.675 -0.540 -0.405 -0.270 -0.135 0 0.135 0 1 2 3 4 5 6 7 8 9 -1.350 0 1 2 3 4 5 6 7 8 9 -1.350 10 output voltage (v) output current (ma) ou tp ut volt ag e vs. ou tp ut cu rrent sinkin g v ? = ? 1. 35v 85 ? c 25 ? c -4 0 ? c 25 25 -4 -2.50 -2.25 -2.00 -1.75 -1.50 -1.25 -1.00 -0.75 -0.50 -0.25 0 0.25 0 8 -2.50 0 8 -2.50 16 24 32 40 output voltage (v) output current (ma) ou tp ut volt ag e vs. ou tp ut cu rrent sinkin g v ? = ? 2. 5v 25 ? c -4 0 ? c 85 ? c -4 ti cii 0 5 10 15 20 25 30 35 40 45 50 55 0.90 0 0 . 9 0 0 1.06 1.22 1.38 1.54 1.70 1.86 2.02 2.18 2.34 2.50 supply current/ch ( ?a) supply voltage ( ?v) supply current vs. supp l y volt ag e 85 ? c 25 ? c -4 0 ? c -0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 -40 -0.1 - 4 0 -0.1 -20 0 2 0 4 0 6 0 8 0 100 offset voltage (mv) temperature ( ?c) of fs et volt ag e vs. t emp erat ur e v ? = ? 2. 5v v ? = ? 1. 35v 35v -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 1.2 -2.5 -0.4 - 2 . 5 -0.4 -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 offset voltage (mv) common-mode voltage (v) of fs et volt ag e vs. common- mo de volt ag e -4 0 ? c 85 ? c 25 ? c v ? = ? 2. 5v 0 0.5 1 1.5 2 2.5 -1.5 0 - 1 . 5 0 -1 -0.5 0 0.5 1 offset voltage (mv) common-mode voltage (v) of fs et volt ag e vs. common- mo de volt ag e -4 0 ? c 85 ? c 25 ? c v ? = ? 1. 35v 0 5 10 15 20 25 30 35 -40 0 - 4 0 0 -20 0 2 0 4 0 6 0 8 0 100 short-circuit current (ma) temperature ( ?c) short circuit current vs. t emp erat ur e v ? = ? 1. 35v v ? = ? 2. 5v sinkin g 0 5 10 15 20 25 30 -40 0 - 4 0 0 -20 0 2 0 4 0 6 0 8 0 100 short-circuit current (ma) temperature ( ?c) short circuit current vs. t emp erat ur e v ? = ? 1. 35v v ? = ? 2. 5v sour cing
mic862 micrel mic862 6 august 2006 -25 -20 -15 -10 -5 0 5 10 15 20 25 gain (db) frequency (hz) gain fr equenc y response av = 2 v ? = ? 1. 35v c l = 2p f r l = 5k ? r f = 20k ? -225 -180 -135 -90 -45 0 45 90 135 180 225 phase ( ? ) 10k 100k 1m 10m -225 -180 -135 -25 -20 -15 -10 -5 0 5 10 15 20 25 gain (db) frequency (hz) gain fr equenc y response av = 2 v ? = ? 2. 5v c l = 2p f r l = 5k ? r f = 20k ? -225 -180 -135 -90 -45 0 45 90 135 180 225 phase ( ? ) 10k 1 00 k 1 m 10m -225 -180 -135 -50 -40 -30 -20 -10 0 10 20 30 40 50 gain (db) frequency (hz) gain band widt h an d phase ma rgin av = 11 v ? = ? 1. 35v c l = 2p f r l = 1m ? -225 -180 -135 -90 -45 0 45 90 135 180 225 phase ( ? ) 100k 10m 1m -225 -180 -135 -30 -25 -20 -15 -10 -5 0 5 10 15 20 gain (db) frequency (hz) unit y ga in frequenc y respon se av = 1 v ? = ? 2. 5v c l = 2p f r l = 5k ? -270 -225 -180 -135 -90 -45 0 45 90 135 180 phase ( ? ) 1k 10k 100k 1m 10m phas e gain -270 -225 -180 -135 -50 -40 -30 -20 -10 0 10 20 30 40 50 gain (db) frequency (hz) ga in band widt h and phase ma rgin av = 11 v + = +1 .5 v v C = C0 .5 v c l = 1. 7p f r l = 1m ? -225 -180 -135 -90 -45 0 45 90 135 180 225 phase ( ? ) 10k 100k 1m 10m -225 -180 -135 -60 -55 -50 -45 -40 -35 -30 10 100 1000 frequency (khz) channel to channel crosstalk 0 10 20 30 40 50 60 70 80 90 100 psrr (db) frequency (hz) psrr vs. frequenc y 1 10 100 1k 10k 100k 1m 10m v ? = ? 1. 35v 0 10 20 30 40 50 60 70 80 90 100 psrr (db) frequency (hz) psrr vs. frequenc y 1 10 100 1k 10k 100k 1m 10m v ? = ? 2. 5v -30 -25 -20 -15 -10 -5 0 5 10 15 20 gain (db) frequency (hz) unit y ga in frequenc y respon se av = 1 v ? = ? 1. 35v c l = 2p f r l = 5k ? -270 -225 -180 -135 -90 -45 0 45 90 135 180 phase ( ? ) 1k 10k 100k 1m 10m phas e gain -270 -225 -180 -135 -50 -40 -30 -20 -10 0 10 20 30 40 50 gain (db) frequency (hz) gain band widt h an d phase ma rgin av = 11 v ? = ? 2. 5v c l = 2p f r l = 1m ? -225 -180 -135 -90 -45 0 45 90 135 180 225 phase ( ? ) 10k 100k 1m 10m -225 -180 -135
august 2006 7 mic862 mic862 micrel functional characteristics small signal response time 500ns/div t u p n i v i d / v m 0 5 t u p t u o v i d / v m 0 5 a v = 1 v ? = ?1.35v c l = 1.7pf r l = 1m ? small signal response time 500ns/div t u p n i v i d / v m 0 5 t u p t u o v i d / v m 0 5 a v = 1 v ? = ?2.5v c l = 1.7pf r l = 1m ? small signal response time 1 ?s/div t u p n i v i d / v m 0 5 t u p t u o v i d / v m 0 5 a v = 1 v ? = ?1.35v c l = 50pf r l = 500 ? small signal response time 1 ?s/div t u p n i v i d / v m 0 5 t u p t u o v i d / v m 0 5 a v = 1 v ? = ?2.5v c l = 50pf r l = 500 ? small signal response time 500ns/div t u p n i v i d / v m 0 5 t u p t u o v i d / v m 0 5 a v = 1 v ? = ?1.35v c l = 1000pf r l = 500 ? small signal response time 500ns/div t u p n i v i d / v m 0 5 t u p t u o v i d / v m 0 5 a v = 1 v ? = ?2.5v c l = 1000pf r l = 500 ?
mic862 micrel mic862 8 august 2006 small signal pulse response time 500ns/div t u p t u o v i d / v m 0 5 t u p n i v i d / v m 0 5 a v = 1 v+ = +1.5v v C = C0.5v c l = 1.7pf r l = 1m ?
august 2006 9 mic862 mic862 micrel time 5 ?s/div la r g e signal response a v = 1 v ? = ?1.35v c l = 1.7pf r l = 1m ? t u p t u o v i d / v m 0 0 5 p ositi v e sl e w rate = 1.5v/ ? s negati v e sl e w rate = 2.0v/ ? s time 5 ?s/div a v = 1 v ? = ?2.5v c l = 1.7pf r l = 1m ? la r g e signal response t u p t u o v i d / v 1 p ositi v e sl e w rate = 1.8v/ ? s negati v e sl e w rate = 4.1v/ ? s la r g e signal response time 5 ?s/div t u p t u o v i d / v 1 a v = 1 v ? = ?2.5v c l = 50pf r l = 500 ? p ositi v e sl e w rate = 1.8v/ ? s negati v e sl e w rate = 4.7v/ ? s time 5 ?s/div a v = 1 v ? = ?1.35v c l = 50pf r l = 500 ? la r g e signal response t u p t u o v i d / v m 0 0 5 p ositi v e sl e w rate = 1.5v/ ? s negati v e sl e w rate = 2.8v/ ? s la r g e signal pulse response time 5 ?s/div t u p t u o v i d / v m 0 0 5 a v = 1 v ? = ?1.35v c l = 1000pf r l = 500 ? p ositi v e sl e w rate = 1.3v/ ? s negati v e sl e w rate = 3.6v/ ? s la r g e signal pulse response time 5 ?s/div t u p t u o v i d / v 1 a v = 1 v ? = ?2.5v c l = 1000pf r l = 500 ? p ositi v e sl e w rate = 1.3v/ ? s negati v e sl e w rate = 3.6v/ ? s
mic862 micrel mic862 10 august 2006 r l c l v+ v la r g e signal pulse response time 5 ?s/div t u p t u o v i d / v m 0 2 a v = 1 v+ = +1.5v v C = C0.5v c l = 1.7pf r l = 1m ? p ositi v e sl e w rate = 1.17v/ ? s negati v e sl e w rate = 2.0v/ ? s rail to rail operation time 250 ?s/div t u p n i v i d / v m 0 0 5 t u p t u o v i d / v 1 a v = 2 v ? = ?1.35v c l = 2pf r l = 1m ? r f = 20k ? ?v = 2.7v p-p rail to rail operation time 250 ?s/div t u p n i v i d / v m 0 0 5 t u p t u o v i d / v 1 a v = 2 v ? = ?2.5v c l = 2pf r l = 1m ? r f = 20k ? ?v = 5v p-p rail to rail operation time 250 ?s/div t u p n i v i d / v m 0 0 5 t u p t u o v i d / v 1 a v = 2 v ? = ?1.35v c l = 2 pf r l = 5k ? r f = 20k ? ?v = 2.7v p-p rail to rail operation time 250 ?s/div t u p n i v i d / v 1 t u p t u o v i d / v 2 a v = 2 v ? = ?2.5v c l = 2 pf r l = 5k ? r f = 20k ? ?v = 5v p-p
august 2006 11 mic862 mic862 micrel applications information power supply bypassing regular supply bypassing techniques are recommended. a 10f capacitor in parallel with a 0.1f capacitor on both the positive and negative supplies are ideal. for best perfor- mance all bypassing capacitors should be located as close to the op amp as possible and all capacitors should be low esl (equivalent series inductance), esr (equivalent series resistance). surface-mount ceramic capacitors are ideal. supply and loading resistive considerations the mic862 is intended for single supply applications con- ? gured with a grounded load. it is not advisable to operate the mic862 under either of the following conditions: 1. a grounded load and split supplies (+/-v) 2. a single supply where the load is terminated above ground. under the above conditions, if the load is less than 20kohm and the output swing is greater than 1v(peak), there may be some instability when the output is sinking current. capacitive load when driving a large capacitive load, a resistor of 500 is recommended to be connected between the op-amp output and the capacitive load to avoid oscillation.
mic862 micrel mic862 12 august 2006 package information sot-23-8 (m8) micrel, inc. 2180 fortune drive san jose, ca 95131 usa tel + 1 (408) 944-0800 fax + 1 (408) 474-1000 web http://www.micrel.com the information furnished by micrel in this data sheet is believed to be accurate and reliable. however , no responsibility is assumed by micrel for its use. micrel reserves the right to change circuitry and speci? cations at any time without noti? cation to the customer. micrel products are not designed or authorized for use as components in life support appliances, devices or systems where malfunction of a product can reasonably be expected to result in personal injury. life support devices or systems are devices or systems that (a) are intended for surgical implant into the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a signi? cant injury to the user. a purchasers use or sale of micrel products for use in life support appliances, devices or systems is at purchaser s own risk and purchaser agrees to fully indemnify micrel for any damages resulting from such use or sale. ? 2004 micrel, incorporated.

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