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single comparator with 400mv reference and dual polarity outputs preliminary technical data ADCMP361 rev. prb 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 ?2006 analog devices, inc. all rights reserved. features low quiescent current: 6.5 a typ supply range: 1.7v to 5.5v 400mv reference 0.8% accuracy over temperature input range includes ground internal hysteresis: 6.5mv typ low input bias current: 10na max 40ma typical output sink current supports wired-and connections both inverting and noninverting outputs small sot-23 package applications battery-powered system monitoring threshold detectors relay driving optoisolator driving industrial control systems handheld instruments general description the ADCMP361 is a single low power, low voltage comparator with a 400mv reference in the 5-lead sot-23 package. operating within a supply range of 1.7v to 5.5v, the device only draw 6.5 a typical, making it idea l for low voltage system monitoring and portable applications. hysteresis is included in the comparators to insure stable output operation. the comparator has only one input available externally, the other input is connected internally to the reference. the comparator has both an inverting and a noninverting output. the output stage sinking capability guaranteed greater than 5ma over temperature. available in commercial, industrial and automotive temperature ranges. functional block diagram in v cc out ADCMP361 400mv gn d out figure 1.
ADCMP361 preliminary technical data rev. prb | page 2 of 13 table of contents specifications..................................................................................... 3 absolute maximum ratings............................................................ 4 esd caution.................................................................................. 4 pin configuration and function descriptions............................. 5 typical performance characteristics ............................................. 6 applications information ..................................................... 11 comparators and internal reference........................................ 11 adding hysteresis....................................................................... 11 outputs................................................................................... 11 outline dimensions ....................................................................... 12 ordering guide .......................................................................... 12 revision history
preliminary technical data ADCMP361 rev. prb | page 3 of 13 specifications table 1. v cc = 1.7v to 5.5v, -40c t a 125c , unless otherwise noted. note1: r l =100k, v o =2v swing note2: 10mv input overdrive note3: vin = 40mv overdrive note4: r l =10k note5: no load parameter min typ max unit test conditions/comments reference voltage 396.8 400 403.2 mv vs = 1.7v, note1 396.8 400 403.2 mv vs = 5v, note1 reference voltage accuracy 0.8 1.0 % vs = 1.7v, note1 0.8 1.0 % vs = 5v, note1 input bias current 0.01 10 na vs = 1.7v, vin = vs 4 10 na vs = 1.7v, vin = 0.1v output low voltage 60 200 mv vs = 1.7v, iout = 3ma, note2 70 200 mv vs = 5v, iout = 5ma, note2 output leakage current 0.01 1 a vs=1.7v, vout = vs, note3 0.01 1 a vs=1.7v, vout = 5.5v, note3 high-to-low propagation delay 29 s vs = 5v, vol = 400mv, note2,4 low-to-high propagation delay 18 s vs = 5v, voh = 0.9 x vs, note2,4 output rise time 2.2 s vs = 5v, vo = (0.1 to 0.9) x vs, note2,4 output fall time 0.22 s vs = 5v, vo = (0.1 to 0.9) x vs, note2,4 supply current 6.5 10 a vs = 1.7v 6.5 10 a vs = 5.5v
ADCMP361 preliminary technical data rev. prb | page 4 of 13 absolute maximum ratings t a = 25c, unless otherwise noted. table 5. parameter rating v s ?0.3v to +6v inx ?0.3v to +6v outx ?0.3v to +6v operating temperature range ?40c to +125c storage temperature range ?65c to +150c ja thermal impedance, sc70 146c/w lead temperature soldering (10 sec) 300c vapor phase (60 sec) 215c infrared (15 sec) 220c stresses above those listed under absolute maximum ratings may cause permanent damage to the device. this is a stress rating only and 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. esd caution esd (electrostatic discharge) sensitive device. electrosta tic charges as high as 4000 v readily accumulate on the human body and test equipment and can discharge with out detection. although this product features proprietary esd protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. therefore, proper esd precautions are recommended to avoid performance degradation or loss of functionality.
preliminary technical data ADCMP361 rev. prb | page 5 of 13 pin configuration and fu nction descriptions 1 2 4 out gnd out ADCMP361 3 in 5 v s figure 2. pin configuration table 6. pin function descriptions pin no. mnemonic description 1 out noninverting open drain output. capable of sinking up to 40ma of current. 2 gnd ground. 3 in monitors analog input voltage on comparator. the other input of the comparator is connected to a 400mv reference. 4 vs power supply. operates from 1.7v to 5.5v. 5 outb inverting open drain output. capa ble of sinking up to 40ma of current.
ADCMP361 preliminary technical data rev. prb | page 6 of 13 typical performance characteristics figure 3. distribution of rising input threshold voltage figure 4. distribution of hysteresis figure 5.rising input threshold voltage vs temperature figure 6. distribution of falling input threshold voltage figure 7. rising input threshold voltage vs temperature figure 8.rising input threshold voltage vs supply voltage
preliminary technical data ADCMP361 rev. prb | page 7 of 13 figure 9. hysteresis vs temperature figure 10. hysteresis vs supply voltage figure 11. quiescent supply current vs supply voltage figure 12. hysteresis vs temperature figure 13. minimum supply voltage figure 14. startup supply current
ADCMP361 preliminary technical data rev. prb | page 8 of 13 figure 15. supply current vs output sink current figure 16 supply current vs output sink current figure 17. supply current vs output sink current figure 18. below ground input bias current figure 19. low level input bias current figure 20 high level input bias current
preliminary technical data ADCMP361 rev. prb | page 9 of 13 figure 21. output saturation voltage vs output sink current figure 22 output saturation voltage vs output sink current figure 23. output saturation voltage vs output sink current figure 24. output short circuit current figure 25. output short circuit current figure 26. output leakage current
ADCMP361 preliminary technical data rev. prb | page 10 of 13 figure 27. propagation delay vs input overdrive figure 28.non inverting and inverting comparators propagation delay figure 29. rise and fall times vs output pullup resistor
preliminary technical data ADCMP361 rev. prb | page 11 of 13 applications information the ADCMP361 is a low power comparator with a build in 400mv reference that operates from 1.7v to 5.5v. the comparators are approx 0.8% accurate with a built in hysteresis of approx 6.5mv. the outputs are open drain capable of sinking 40ma. comparators and internal reference the comparators has one input available externally and the other input is connected internally to the 400mv reference. the rising input threshold voltage of the comparators is designed to be equal to that of the reference (i.e.400mv). adding hysteresis to prevent oscillations at the output caused by noise or slowly moving signals passing the switching threshold, each comparator has built-in hysteresis of approximately 6.5mv. positive feedback can be used to adjust hysteresis. outputs the ADCMP361 has both inverting and noninverting outputs available to provide a more flexible solution in applications where the user may need to utilize the comparator in either inverting or noninverting modes.
ADCMP361 preliminary technical data rev. prb | page 12 of 13 outline dimensions pin 1 1.60 bsc 2.80 bsc 1.90 bsc 0.95 bsc 5 12 3 4 0.22 0.08 10 5 0 0.50 0.30 0.15 max seating plane 1.45 max 1.30 1.15 0.90 2.90 bsc 0.60 0.45 0.30 compliant to jedec standards mo-178-aa figure 30. 5-lead sot-23 package (rj-5)dimensions shown in millimeters ordering guide model temperature range package description branding package outline ADCMP361arj C40c to +125c sot-23, 5 lead rj-5
preliminary technical data ADCMP361 rev. prb | page 13 of 13 notes ? 2006 analog devices, inc. all rights reserved. trademarks and registered trademarks are the prop erty of their respective owners. pr06156-0-5/06(prb)

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