low cost, precision jfet input operational amplifier in tsot preliminary technical data ada4000-1 rev. pra information furnished by analog devices is believed to be accurate and reliable. however, no responsibility is assumed by analog devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. specifications subject to change without notice. no license is granted by implication or otherwise under any patent or patent rights of analog devices. trademarks and registered trademarks are the property of their respective owners. one technology way, p.o. box 9106, norwood, ma 02062-9106, u.s.a. tel: 781.329.4700 www.analog.com fax: 781.461.3113 ?2005 analog devices, inc. all rights reserved. features very low offset voltage: 1 mv max bias current: 10 pa max small packaging, tsot-23 lead-free 5 v to 15 v operation high slew rate: 20 v/s low voltage noise: 15 nv/ hz unity gain stable wide bandwidth: 6 mhz applications reference gain/buffers level shift/driving active filters power line monitoring/control current/voltage sense or monitoring data acquisition sample-and-hold circuits integrators pin configurations figure 1. 5-lead tsot (uj-5) figure 2. 8-lead soic (r-8) general description the ad4004 is a jfet input operational amplifier featuring precision, very low bias current, and low power in a tiny package at a very attractive price. combining high input impedance, low input bias current, wide bandwidth, and fast slew rate, the ad4000 is an ideal amplifier for driving a/d inputs and buffering d/a converter outputs. additional applications for the ad4004 include electronic instruments; ate amplification, buffering, and integrator circuits; instrumentation quality photodiode amplification; fast precision filters (including pll filters), utility functions like reference buffering, level shifting, control i/o interface, power supply control and monitoring functions.
ada4000-1 preliminary technical data rev. pra | page 2 of 8 table of contents features .............................................................................................. 1 applications....................................................................................... 1 pin configurations ........................................................................... 1 general description ......................................................................... 1 revision history ............................................................................... 2 specifications .....................................................................................3 electrical specifications................................................................3 absolute maximum ratings ............................................................5 thermal resistance .......................................................................5 ordering guide .............................................................................6 revision history 10/05revision pra: preliminary version
preliminary technical data ada4000-1 rev. pra | page 3 of 8 specifications electrical specifications v s = 5.0 v, v cm = 0 v, t a = +25c, unless otherwise specified. table 1. parameter symbol conditions min typ max units input characteristics offset voltage v os 0.1 1.0 mv input bias current i b 5 10 pa ?40c t a +125c pa input offset current i os 5 pa ?40c t a +125c pa input voltage range ?2.5 3.5 v common-mode rejection ratio cmrr ?1.5 v v cm +3.5 v 76 db ?40c t a +125c db open loop gain (note 1) a vo r l = 2 k, v o = 2.5 v 114 db ?40c t a +125c db offset voltage drift v os /t ?40c t a +125c 10 v/c output characteristics output voltage high v oh r l = 2 k to ground 4.0 v ?40c t a +125c 3.7 v output voltage low v ol r l = 2 k to ground ?3.35 v ?40c t a +125c ?3.7 v short circuit limit i sc 28 ma ?40c t a +125c ma output current i o 10 ma ?40c t a +125c ma power supply power supply rejection ratio psrr v s = 5.0 v to 15.0 v 80 db ?40c t a +125c db supply current/amplifier i sy v o = 0 v 1.1 ma ?40c t a +125c ma dynamic performance slew rate sr vi = 10 v, r l = 2 k, c l = 100 pf 20 v/s gain bandwidth product gbp 6 mhz noise performance voltage noise e n p-p 0.1 hz to 10 hz 1.2 vp-p voltage noise density en f = 1 khz 15 nv/ hz current noise density i n f = 1 khz 0.01 pa/ hz
ada4000-1 preliminary technical data rev. pra | page 4 of 8 v s = 15 v, v cm = 0 v, t a = +25c, unless otherwise specified. table 2. parameter symbol conditions min typ max units input characteristics offset voltage v os 0.1 1.0 mv input bias current i b 5 10 pa ?40c t a +125c 5 pa input offset current i os 5 pa ?40c t a +125c pa input voltage range ?11 +15 v common-mode rejection ratio cmrr ?11 v v cm +15 v 80 db ?40c t a +125c db open loop gain a vo r l = 2k , vo= 10v 114 db ?40c t a +125c db offset voltage drift v os / t ?40c t a +125c 10 v/c output characteristics output voltage high v oh r l = 2 k to ground 13.7 v ?40c t a +125c 13.5 v output voltage low v ol r l = 2 k to ground ?13.3 v ?40c t a +125c ?13.5 v short circuit limit i sc 28 ma ?40c t a +125c ma output current i o 10 ma ?40c t a +125c ma power supply power supply rejection ratio psrr v s = 4.0 v to 18.0 v 80 db ?40c t a +125c db supply current/amplifier i sy 1.2 ma ?40c t a +125c ma dynamic performance slew rate sr vi = 10 v, r l = 2 k, c l = 100 pf 20 v/s gain bandwidth product gbp 6 mhz noise performance voltage noise e n p-p 0.1 to 10 hz 1.2 vp-p voltage noise density e n f = 1 khz 15 nv/ hz current noise density i n f = 1 khz 0.01 pa/ hz
preliminary technical data ada4000-1 rev. pra | page 5 of 8 absolute maximum ratings table 3. parameter rating supply voltage 18 v/+36 v input voltage v supply differential input voltage 1 v supply output short-circuit duration to gnd indefinite storage temperature range ujz, rz packages ?65c to +150c operating temperature range ada4000-1 ?40c to +125c junction temperature range ujz, rz packages ?65c to +150c lead temperature (soldering, 10 sec) +300c 1 differential input voltage is limited to 5.0 volts or the supply voltage, whichever is less. stresses above those listed under absolute maximum ratings may cause permanent damage to the device. this is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. thermal resistance ja is specified for the worst-case conditions, that is, for a device in socket for pdip packages; a device soldered in a circuit board for soic and tssop packages. table 4. thermal resistance package type ja jc unit 5-pin tsot (ujz) c/w 8-pin soic (rz) 158 43 c/w
ada4000-1 preliminary technical data rev. pra | page 6 of 8 ordering guide model temperature range package description package option ADA4000-1AUJZ 1 ?40c to +125c 5-pin tsot ujz-5 ada4000-1arz 1 ?40c to +125c 8-pin soic rz-8 1 z = pb-free part.
preliminary technical data ada4000-1 rev. pra | page 7 of 8 notes
ada4000-1 preliminary technical data rev. pra | page 8 of 8 notes ? 2005 analog devices, inc. all rights reserved. trademarks and registered trademarks are the prop erty of their respective owners. pr05791-0-10/05(pra)
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