sc70-5 (not actual size) january 2002 km4170 tiny, low cost, +2.7v and +5v, rail-to-rail i/o amplifier product brief features at 2.7v 136 a supply current 4.9mhz bandwidth output swings to within 20mv of either rail input voltage range exceeds the rail by >250mv 5.3v/ s slew rate 16ma output current 21nv/ hz input voltage noise directly replaces opa340, opa343, and tlv2461 in single supply applications available in sc70 and sot23-5 package options applications portable/battery-powered applications pcmcia, usb mobile communications, cellular phones, pagers notebooks and pda s sensor interface a/d buffer active filters signal conditioning portable test instruments general description the km4170 is an ultra-low cost, low power, voltage feedback amplifier. at 5v, the km4170 uses only 160 a of supply current and is designed to operate from a supply range of 2.5v to 5.5v. the input voltage range exceeds the negative and positive rails. the km4170 offers high bipolar performance at a low cmos price. the km4170 offers superior dynamic performance with a 4.9mhz small signal bandwidth and 5.3v/ s slew rate. the combination of low power, high bandwidth, and rail-to-rail performance make the km4170 well suited for battery-powered communication/computing systems. ? 2002 fairchild semiconductor international www.fairchildsemi.com patents pending outperforms the competition in single-supply applications at a lower cost! advertised 5v km4170 competitors units specifications a b c g = 1 bw 4.3 5.5 5.5 6.4 mhz noise 22 25 25 11 nv/ hz slew rate 9 6.0 6.0 1.6 v/ s supply current 160 750 850 550 a available packages ordering information part no. package container pack qty eval bd* KM4170IT5 sot23-5 partial reel <3000 keb002 KM4170IT5tr3 sot23-5 reel 3000 keb002 km4170is5 sc70-5 partial reel <3000 keb011 km4170is5tr3 sc70-5 reel 3000 keb011 temperature range for all parts: -40 c to +85 c. * evaluation boards are available to aid in the evaluation of these products. see the full data sheet or website for complete information. sot23-5 (not actual size) - + 1 2 3 out -v s +in +v s -in 5 4 sot23-5 - + 1 2 3 out -v s +in +v s -in 5 4 sc70-5
km4170 typical specifications typical circuit configuration + - km4170 r f 0.01 f 6.8 f out in +v s + r g life support policy fairchild s products are not authorized for use as critical components in life support devices or systems without the express written app roval of the president of fairchild semiconductor corporation. as used herein: 1. life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. 2. a critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to af fect its safety or effectiveness. lit no. 600312-003 electrical characteristics (g = +2, r f = 5k ? , r l = 10k ? to v s /2, t a = +25 c, unless noted) parameters conditions typ typ units v s = +2.7v v s = +5v frequency domain response 2 -3db bandwidth g = +1, v o = 0.02v pp 4.9 4.3 mhz g = +2, v o = 0.2v pp 3.7 3.0 mhz full power bandwidth g = +2, v o = 2v pp 1.4 2.3 mhz gain bandwidth product 2.2 2.0 mhz time domain response rise and fall time 1v step 163 110 ns overshoot 1v step <1 <1 % slew rate 1v step 5.3 9 v/ s distortion and noise response 2nd harmonic distortion 1 1v pp , 10khz -72 -73 dbc 3rd harmonic distortion 1 1v pp , 10khz -72 -75 dbc thd 1 1v pp , 10khz 0.03 0.03 % input voltage noise >10khz 21 22 nv/hz dc performance input offset voltage 0.5 1.5 mv average drift 5 15 v/ c input bias current 90 90 na average drift 32 40 pa/ c power supply rejection ratio dc 83 60 db open loop gain 90 80 db quiescent current 136 160 a input characteristics input resistance 12 12 m ? input capacitance 2 2 pf input common mode voltage range - 0.25 to 2.95 - 0.25 to 5.25 v common mode rejection ratio dc 81 85 dbc output characteristics output voltage swing r l = 10k ? to v s /2 0.020 to 2.68 0.04 to 4.96 v r l = 1k ? to v s /2 0.05 to 2.63 0.07 to 4.9 v r l = 200 ? to v s /2 0.11 to 2.52 0.14 to 4.67 v output current 16 30 ma recommended power supply operating range 2.5 to 5.5 v notes: 1) for +5v supply, a 2v pp condition was used. 2) for g = +1, r f = 0. absolute maximum ratings supply voltage 0 to +6v maximum junction temperature +175 c storage temperature range -65 c to +150 c lead temperature (10 sec) +260 c operating temperature range -40 to +85 c input voltage range +v s + 0.5v, -v s - 0.5v ja for 5 lead sot23 256 c/w i out continuous 30ma
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