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high precision shunt mode voltage references adr520/adr525/adr530/adr540/adr550 rev. e 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 ?2003C2008 analog devices, inc. all rights reserved. features ultracompact sc70 and sot-23-3 packages temperature coefficient: 40 ppm/c (maximum) 2 the temperature coefficient improvement over the lm4040 pin compatible with the lm4040/lm4050 initial accuracy: 0.2% low output voltage noise: 14 v p-p @ 2.5 v output no external capacitor required operating current range: 50 a to 15 ma industrial temperature range: ?40c to +85c applications portable, battery-powered equipment automotive power supplies data acquisition systems instrumentation and process control energy measurement table 1. selection guide part voltage (v) initial accuracy (%) temperature coefficient (ppm/c) adr520a 2.048 0.4 70 adr520b 2.048 0.2 40 adr525a 2.5 0.4 70 adr525b 2.5 0.2 40 adr530a 3.0 0.4 70 adr530b 3.0 0.2 40 adr540a 4.096 0.4 70 adr540b 4.096 0.2 40 adr550a 5.0 0.4 70 adr550b 5.0 0.2 40 pin configuration adr520/ adr525/ adr530/ adr540/ adr550 v + 1 v? 2 trim 3 04501-001 figure 1. 3-lead sc70 (ks) and 3-lead sot-23-3 (rt) general description designed for space-critical applications, the adr520/adr525/ adr530/adr540/adr550 are high precision shunt voltage references, housed in ultrasmall sc70 and sot-23-3 packages. these references feature low temperature drift of 40 ppm/c, an initial accuracy of better than 0.2%, and ultralow output noise of 14 v p-p. available in output voltages of 2.048 v, 2.5 v, 3.0 v, 4.096 v, and 5.0 v, the advanced design of the adr520/adr525/ adr530/adr540/adr550 eliminates the need for compensa- tion by an external capacitor, yet the references are stable with any capacitive load. the minimum operating current increases from a mere 50 a to a maximum of 15 ma. this low operating current and ease of use make these references ideally suited for handheld, battery-powered applications. a trim terminal is available on the adr520/adr525/adr530/ adr540/adr550 to allow adjustment of the output voltage over a 0.5% range, without affecting the temperature coefficient of the device. this feature provides users with the flexibility to trim out any system errors.
adr520/adr525/adr530/adr540/adr550 rev. e | page 2 of 16 table of contents features .............................................................................................. 1 applications ....................................................................................... 1 pin configuration ............................................................................. 1 general description ......................................................................... 1 revision history ............................................................................... 2 specifications ..................................................................................... 3 adr520 electrical ch aracteristics ............................................. 3 adr525 electrical ch aracteristics ............................................. 3 adr530 electrical ch aracteristics ............................................. 4 adr540 electrical ch aracteristics ............................................. 4 adr550 electrical ch aracteristics ............................................. 5 absolute maximum ratings ............................................................6 thermal resistance .......................................................................6 esd caution...................................................................................6 parameter definitions .......................................................................7 temperature coefficient...............................................................7 thermal hysteresis .......................................................................7 typical performance characteristics ..............................................8 theory of operation ...................................................................... 11 applications ................................................................................ 11 outline dimensions ....................................................................... 13 ordering guide .......................................................................... 14 revision history 6/08rev. d to rev. e changes to table 3 ............................................................................ 3 changes to table 4 and table 5 ....................................................... 4 changes to table 6 ............................................................................ 5 changes to figure 4 .......................................................................... 8 changes to applications section .................................................. 11 12/07rev. c to rev. d changes to figure 3 and figure 5 ................................................... 8 changes to figure 15, figure 16, and figure 17 captions ........ 10 changes to figure 23 ...................................................................... 12 updated outline dimensions ....................................................... 13 8/07rev. b to rev. c changes to figure 21 ...................................................................... 11 updated outline dimensions ....................................................... 13 changes to ordering guide .......................................................... 14 1/06rev. a to rev. b updated formatting ........................................................... universal changes to features section ............................................................ 1 changes to general description section ....................................... 1 updated outline dimensions ....................................................... 13 changes to ordering guide .......................................................... 14 12/03data sheet changed from rev. 0 to rev. a updated outline dimensions ....................................................... 13 change to ordering guide ............................................................ 14 11/03revision 0: initial version
adr520/adr525/adr530/adr540/adr550 rev. e | page 3 of 16 specifications adr520 electrical characteristics i in = 50 a to 15 ma, t a = 25c, unless otherwise noted. table 2. parameter symbol conditions min typ max unit output voltage v out grade a 2.040 2.048 2.056 v grade b 2.044 2.048 2.052 v initial accuracy v oerr grade a 0.4% ?8 +8 mv grade b 0.2% ?4 +4 mv temperature coefficient 1 tcv o ?40c < t a < +85c grade a 25 70 ppm/c grade b 15 40 ppm/c output voltage change vs. i in ?v r i in = 0.1 ma to 15 ma 1 mv ?40c < t a < +85c 4 mv i in = 1 ma to 15 ma ?40c < t a < +85c 2 mv dynamic output impedance (?v r /?i r ) i in = 0.1 ma to 15 ma 0.27 minimum operating current i in ?40c < t a < +85c 50 a voltage noise e n p-p 0.1 hz to 10 hz 14 v p-p turn-on settling time t r 2 s output voltage hysteresis ?v out_hys i in = 1 ma 40 ppm 1 guaranteed by design; not production tested. adr525 electrical characteristics i in = 50 a to 15 ma, t a = 25c, unless otherwise noted. table 3. parameter symbol conditions min typ max unit output voltage v out grade a 2.490 2.500 2.510 v grade b 2.495 2.500 2.505 v initial accuracy v oerr grade a 0.4% ?10 +10 mv grade b 0.2% ?5 +5 mv temperature coefficient 1 tcv o ?40c < t a < +85c grade a 25 70 ppm/c grade b 15 40 ppm/c output voltage change vs. i in ?v r i in = 0.1 ma to 15 ma 1 mv ?40c < t a < +85c 4 mv i in = 1 ma to 15 ma ?40c < t a < +85c 2 mv dynamic output impedance (?v r /?i r ) i in = 0.1 ma to 15 ma 0.2 minimum operating current i in ?40c < t a < +85c 50 a voltage noise e n p-p 0.1 hz to 10 hz 18 v p-p turn-on settling time t r 2 s output voltage hysteresis ?v out_hys i in = 1 ma 40 ppm 1 guaranteed by design; not production tested.
adr520/adr525/adr530/adr540/adr550 rev. e | page 4 of 16 adr530 electrical characteristics i in = 50 a to 15 ma, t a = 25c, unless otherwise noted. table 4. parameter symbol conditions min typ max unit output voltage v out grade a 2.988 3.000 3.012 v grade b 2.994 3.000 3.006 v initial accuracy v oerr grade a 0.4% ?12 +12 mv grade b 0.2% ?6 +6 mv temperature coefficient 1 tcv o ?40c < t a < +85c grade a 25 70 ppm/c grade b 15 40 ppm/c output voltage change vs. i in ?v r i in = 0.1 ma to 15 ma 1 mv ?40c < t a < +85c 4 mv i in = 1 ma to 15 ma ?40c < t a < +85c 2 mv dynamic output impedance (?v r /?i r ) i in = 0.1 ma to 15 ma 0.2 minimum operating current i in ?40c < t a < +85c 50 a voltage noise e n p-p 0.1 hz to 10 hz 22 v p-p turn-on settling time t r 2 s output voltage hysteresis ?v out_hys i in = 1 ma 40 ppm 1 guaranteed by design; not production tested. adr540 electrical characteristics i in = 50 a to 15 ma, t a = 25c, unless otherwise noted. table 5. parameter symbol conditions min typ max unit output voltage v out grade a 4.080 4.096 4.112 v grade b 4.088 4.096 4.104 v initial accuracy v oerr grade a 0.4% ?16 +16 mv grade b 0.2% ?8 +8 mv temperature coefficient 1 tcv o ?40c < t a < +85c grade a 25 70 ppm/c grade b 15 40 ppm/c output voltage change vs. i in ?v r i in = 0.1 ma to 15 ma 1 mv ?40c < t a < +85c 5 mv i in = 1 ma to 15 ma ?40c < t a < +85c 2 mv dynamic output impedance (?v r /?i r ) i in = 0.1 ma to 15 ma 0.2 minimum operating current i in ?40c < t a < +85c 50 a voltage noise e n p-p 0.1 hz to 10 hz 30 v p-p turn-on settling time t r 2 s output voltage hysteresis ?v out_hys i in = 1 ma 40 ppm 1 guaranteed by design; not production tested.
adr520/adr525/adr530/adr540/adr550 rev. e | page 5 of 16 adr550 electrical characteristics i in = 50 a to 15 ma, t a = 25c, unless otherwise noted. table 6. parameter symbol conditions min typ max unit output voltage v out grade a 4.980 5.000 5.020 v grade b 4.990 5.000 5.010 v initial accuracy v oerr grade a 0.4% ?20 +20 mv grade b 0.2% ?10 +10 mv temperature coefficient 1 tcv o ?40c < t a < +85c grade a 25 70 ppm/c grade b 15 40 ppm/c output voltage change vs. i in ?v r i in = 0.1 ma to 15 ma 1 mv ?40c < t a < +85c 5 mv i in = 1 ma to 15 ma ?40c < t a < +85c 2 mv dynamic output impedance (?v r /?i r ) i in = 0.1 ma to 15 ma 0.2 minimum operating current i in ?40c < t a < +85c 50 a voltage noise e n p-p 0.1 hz to 10 hz 38 v p-p turn-on settling time t r 2 s output voltage hysteresis ?v out_hys i in = 1 ma 40 ppm 1 guaranteed by design; not production tested.
adr520/adr525/adr530/adr540/adr550 rev. e | page 6 of 1 6 absolute maximum ratings ratings apply at 25c, unless otherwise noted. table 7. parameter rating reverse current 25 ma forward current 20 ma storage temperature range ?65c to +150c industrial temperature range ?40c to +85c junction temperature range ?65c to +150c lead temperature (soldering, 60 sec) 300c 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 table 8. package type ja 1 jc unit 3-lead sc70 (ks) 580.5 177.4 c/w 3-lead sot-23-3 (rt) 270 102 c/w 1 ja is specified for worst-case conditions, such as for devices soldered on circuit boards for surface-mount packages. esd caution
adr520/adr525/adr530/adr540/adr550 rev. e | page 7 of 16 parameter definitions temperature coefficient temperature coefficient is defined as the change in output voltage with respect to operating temperature changes and is normalized by the output voltage at 25c. this parameter is expressed in ppm/c and is determined by the following equation: 6 12 1 2 10 )(c)25( )()( c ppm ? ? = ? ? ? ? ? ? tt v tvtv tcv out out out o (1) where: v out (t 2 ) = v out at temperature 2. v out (t 1 ) = v out at temperature 1. v out (25c) = v out at 25c. thermal hysteresis thermal hysteresis is defined as the change in output voltage after the device is cycled through temperatures ranging from +25c to ?40c, then to +85c, and back to +25c. the following equation expresses a typical value from a sample of parts put through such a cycle: 6 _ _ _ _ 10 c)25( c)25( [ppm] c)25( ? = ?= out endout out hysout endout out hysout v v v v v v v (2) where: v out ( 25c ) = v out at 25c. v out_end = v out at 25c after a temperature cycle from +25c to ?40c, then to +85c, and back to +25c.
adr520/adr525/adr530/adr540/adr550 rev. e | page 8 of 16 typical performance characteristics minimum operating current (a) reverse voltage (v) 02 5 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 50 75 100 adr550 adr540 adr530 adr525 adr520 t a = 25c 04501-006 figure 2. reverse characteristics and minimum operating current i in (ma) reverse voltage change (mv) 06 3 8 1 2 3 4 5 6 7 0 91 21 5 t a = +85c t a = +25c t a = ?40c 04501-007 figure 3. adr520 reverse voltage vs. operating current i in (ma) reverse voltage change (mv) 03 8 t a = ?40c t a = +85c t a = +25c 0 2 4 6 ?2 91 5 61 2 04501-008 figure 4. adr525 reverse voltage vs. operating current i in (ma) reverse voltage change (mv) 06 8 t a = +85c t a = +25c 1 2 3 4 5 6 7 0 12 15 39 t a = ?40c 04501-009 figure 5. adr550 reverse voltage vs. operating current v in = 2v/div v out = 1v/div 4s/div i in = 10ma time (s) 04501-010 figure 6. adr525 turn-on response time (s) 04501-011 v out = 1v/div 4s/div i in = 100a v in = 2v/div figure 7. adr525 turn-on response
adr520/adr525/adr530/adr540/adr550 rev. e | page 9 of 16 v in = 2v/div v out = 1v/div 4s/div i in = 10ma time (s) 04501-012 figure 8. adr520 turn-on response v in = 2v/div v out = 1v/div 10s/div i in = 100a time (s) 04501-013 figure 9. adr520 turn-on response v in = 2v/div v out = 2v/div 4s/div i in = 10ma time (s) 04501-014 figure 10. adr550 turn-on response v in = 2v/div v out = 2v/div 20s/div i in = 100a time (s) 04501-015 figure 11. adr550 turn-on response 5s/div peak-to-peak 13.5v rms 2.14v time (s) 04501-021 figure 12. adr520 voltage noise 0.1 hz to 10 hz v out = 50mv/div 10s/div v gen = 2v/div i in = 1ma time (s) 04501-016 figure 13. adr525 load transient response
adr520/adr525/adr530/adr540/adr550 rev. e | page 10 of 1 6 v out = 50mv/div 10s/div v gen = 2v/div i in = 10ma time (s) 04501-017 figure 14. adr550 load transient response 2.5030 2.5025 2.5020 2.5015 2.5010 2.5005 2.5000 2.4995 2.4990 2.4985 2.4980 ?40 ?15 10 35 60 85 temperature (c) v out (v) 04501-018 figure 15. data for fi ve parts of adr525 v out over temperature 3.0055 3.0050 3.0045 3.0040 3.0035 3.0030 3.0025 3.0020 3.0015 3.0010 3.0005 3.0000 temperature (c) v out (v) ?40 ?15 10 35 60 85 04501-019 figure 16. data for fi ve parts of adr530 v out over temperature 5.008 5.006 5.004 5.002 5.000 4.998 4.996 4.994 4.992 4.990 4.988 temperature (c) v out (v) ?40 ?15 10 35 60 85 04501-020 figure 17. data for fi ve parts of adr550 v out over temperature
adr520/adr525/adr530/adr540/adr550 rev. e | page 11 of 1 6 theory of operation the adr520/adr525/adr530/adr540/adr550 use the band gap concept to produce a stable, low temperature coefficient voltage reference suitable for high accuracy data acquisition components and systems. the devices use the physical nature of a silicon transistor base-emitter voltage (v be ) in the forward-biased operating region. all such transistors have approximately a ?2 mv/c temperature coefficient (tc), making them unsuitable for direct use as low temperature coefficient references. extra- polation of the temperature characteristics of any one of these devices to absolute zero (with the collector current proportional to the absolute temperature), however, reveals that its v be approaches approximately the silicon band gap voltage. thus, if a voltage develops with an opposing temperature coefficient to sum the v be , a zero temperature coefficient reference results. the adr520/adr525/adr530/adr540/adr550 circuit shown in figure 18 provides such a compensating voltage (v1) by driving two transistors at different current densities and amplifying the resultant v be difference (v be , which has a positive temperature coefficient). the sum of v be and v1 provides a stable voltage reference over temperature. v be + ? v be + ? v1 v? v + + ? 04501-002 figure 18. circuit schematic applications the adr520/adr525/adr530/adr540/adr550 are a series of precision shunt voltage references. they are designed to operate without an external capacitor between the positive and negative terminals. if a bypass capacitor is used to filter the supply, the references remain stable. all shunt voltage references require an external bias resistor (r bias ) between the supply voltage and the reference (see figure 19 ). r bias sets the current that flows through the load (i l ) and the reference (i in ). because the load and the supply voltage can vary, r bias needs to be chosen based on the following considerations: x r bias must be small enough to supply the minimum i in current to the adr520/adr525/adr530/adr540/ adr550, even when the supply voltage is at its minimum value and the load current is at its maximum value. x r bias must be large enough so that i in does not exceed 15 ma when the supply voltage is at its maximum value and the load current is at its minimum value. v out v s adr550 i l i in r i in + i l 04501-003 figure 19. shunt reference given these conditions, r bias is determined by the supply voltage (v s ), the load and operating currents (i l and i in ) of the adr520/adr525/adr530/adr540/adr550, and the output voltage (v out ) of the adr520/adr525/adr530/ adr540/adr550. inl out s bias ii vv r (3) precision negative voltage reference the adr520/adr525/adr530/adr540/adr550 are suit- able for applications where a precise negative voltage is desired. figure 20 shows the adr525 configured to provide a negative output. v s ?2.5v adr525 r 04501-004 figure 20. negative precision reference configuration output voltage trim the trim terminal of the adr520/adr525/adr530/adr540/ adr550 can be used to adjust the output voltage over a range of 0.5%. this allows systems designers to trim system errors by setting the reference to a voltage other than the preset output voltage. an external mechanical or electrical potentiometer can be used for this adjustment. figure 21 illustrates how the output voltage can be trimmed using the ad5273 , an analog devices, inc., 10 k potentiometer. r1 470k ? potentiometer 10k? adr530 ad5273 r v out v s 04501-005 figure 21. output voltage trim
adr520/adr525/adr530/adr540/adr550 rev. e | page 12 of 1 6 stacking the adr520/adr525/adr530/adr540/adr550 for user-definable outputs multiple adr520/adr525/adr530/adr540/adr550 parts can be stacked to allow the user to obtain a desired higher voltage. figure 22 shows three adr550s configured to give 15 v. the bias resistor, r bias , is chosen using equation 3; note that the same bias current flows through all the shunt references in series. figure 23 shows three adr550s stacked to give ?15 v. r bias is calculated in the same manner as before. parts of different voltages can also be added together. for example, an adr525 and an adr550 can be added together to give an output of +7.5 v or ?7.5 v, as desired. note, however, that the initial accuracy error is now the sum of the errors of all the stacked parts, as are the temperature coefficients and output voltage change vs. input current. adr550 + v dd +15v r adr550 adr550 gnd 04501-022 figure 22. +15 v output with stacked adr550s adr550 adr550 adr550 g nd ?15v r ?v dd 04501-024 figure 23. ?15 v output with stacked adr550s adjustable precision voltage source the adr520/adr525/adr530/adr540/adr550, combined with a precision low input bias op amp, such as the ad8610, can be used to output a precise adjustable voltage. figure 24 illustrates the implementation of this application using the adr520/adr525/adr530/adr540/adr550. the output of the op amp, v out , is determined by the gain of the circuit, which is completely dependent on the resistors, r1 and r2. v out = v ref (1 + r2 / r1 ) an additional capacitor, c1, in parallel with r2, can be added to filter out high frequency noise. the value of c1 is dependent on the value of r2. a dr5xx v s gnd r r1 r2 c1 (optional) v ref ad8610 v out = v ref (1+r2/r1) 04501-023 figure 24. adjustable voltage source
adr520/adr525/adr530/adr540/adr550 rev. e | page 13 of 1 6 outline dimensions all dimensions compliant with eiaj sc70 0.40 0.25 0.10 max 1.00 0.80 seating plane 1.10 0.80 0.40 0.10 0.26 0.10 0.30 0.20 0.10 2 1 3 pin 1 0.65 bsc 2.20 2.00 1.80 2.40 2.10 1.80 1.35 1.25 1.15 0.10 coplanarity 111505-0 figure 25. 3-lead thin shrink small outline transistor package [sc70] (ks-3) dimensions shown in millimeters compliant to jedec standards to-236-ab 092707-a 1 2 3 seating plane 2.64 2.10 3.04 2.80 1.40 1.20 2.05 1.78 0.100 0.013 1.03 0.89 0.60 0.45 0.51 0.37 1.12 0.89 0.180 0.085 0.55 ref figure 26. 3-lead small outline transistor package [sot-23-3] (rt-3) dimensions shown in millimeters
adr520/adr525/adr530/adr540/adr550 rev. e | page 14 of 1 6 ordering guide model output voltage (v) initial accuracy (mv) tempco industrial (ppm/c) package description package option branding number of parts per reel temperature range adr520art-r2 2.048 8 70 3-lead sot-23-3 rt-3 rqa 250 ?40c to +85c adr520art-reel7 2.048 8 70 3-lead sot-23-3 rt-3 rqa 3,000 ?40c to +85c adr520artz-reel7 1 2.048 8 70 3-lead sot-23-3 rt-3 r1s 3,000 ?40c to +85c adr520bks-r2 2.048 4 40 3-lead sc70 ks-3 rqb 250 ?40c to +85c adr520bks-reel7 2.048 4 40 3-lead sc70 ks-3 rqb 3,000 ?40c to +85c adr520bksz-reel7 1 2.048 4 40 3-lead sc70 ks-3 r1t 3,000 ?40c to +85c adr520brt-r2 2.048 4 40 3-lead sot-23-3 rt-3 rqb 250 ?40c to +85c adr520brt-reel7 2.048 4 40 3-lead sot-23-3 rt-3 rqb 3,000 ?40c to +85c adr520brtz-reel7 1 2.048 4 40 3-lead sot-23-3 rt-3 r1t 3,000 ?40c to +85c adr525art-r2 2.5 10 70 3-lead sot-23-3 rt-3 rra 250 ?40c to +85c adr525art-reel7 2.5 10 70 3-lead sot-23-3 rt-3 rra 3,000 ?40c to +85c adr525artz-r2 1 2.5 10 70 3-lead sot-23-3 rt-3 r1w 250 ?40c to +85c adr525artz-reel7 1 2.5 10 70 3-lead sot-23-3 rt-3 r1w 3,000 ?40c to +85c adr525bks-r2 2.5 5 40 3-lead sc70 ks-3 rrb 250 ?40c to +85c adr525bks-reel7 2.5 5 40 3-lead sc70 ks-3 rrb 3,000 ?40c to +85c adr525bksz-reel7 1 2.5 5 40 3-lead sc70 ks-3 r1n 3,000 ?40c to +85c adr525brt-r2 2.5 5 40 3-lead sot-23-3 rt-3 rrb 250 ?40c to +85c adr525brt-reel7 2.5 5 40 3-lead sot-23-3 rt-3 rrb 3,000 ?40c to +85c ADR525BRTZ-REEL7 1 2.5 5 40 3-lead sot-23-3 rt-3 r1n 3,000 ?40c to +85c adr530art-r2 3.0 12 70 3-lead sot-23-3 rt-3 rsa 250 ?40c to +85c adr530art-reel7 3.0 12 70 3-lead sot-23-3 rt-3 rsa 3,000 ?40c to +85c adr530artz-reel7 1 3.0 12 70 3-lead sot-23-3 rt-3 r1x 3,000 ?40c to +85c adr530bks-r2 3.0 6 40 3-lead sc70 ks-3 rsb 250 ?40c to +85c adr530bks-reel7 3.0 6 40 3-lead sc70 ks-3 rsb 3,000 ?40c to +85c adr530bksz-reel7 1 3.0 6 40 3-lead sc70 ks-3 r1y 3,000 ?40c to +85c adr530brt-r2 3.0 6 40 3-lead sot-23-3 rt-3 rsb 250 ?40c to +85c adr530brt-reel7 3.0 6 40 3-lead sot-23-3 rt-3 rsb 3,000 ?40c to +85c adr530brtz-reel7 1 3.0 6 40 3-lead sot-23-3 rt-3 r1y 3,000 ?40c to +85c adr540art-r2 4.096 16 70 3-lead sot-23-3 rt-3 rta 250 ?40c to +85c adr540art-reel7 4.096 16 70 3-lead sot-23-3 rt-3 rta 3,000 ?40c to +85c adr540artz-reel7 1 4.096 16 70 3-lead sot-23-3 rt-3 r1u 3,000 ?40c to +85c adr540bks-r2 4.096 8 40 3-lead sc70 ks-3 rtb 250 ?40c to +85c adr540bks-reel7 4.096 8 40 3-lead sc70 ks-3 rtb 3,000 ?40c to +85c adr540bksz-reel7 1 4.096 8 40 3-lead sc70 ks-3 r1v 3,000 ?40c to +85c adr540brt-r2 4.096 8 40 3-lead sot-23-3 rt-3 rtb 250 ?40c to +85c adr540brt-reel7 4.096 8 40 3-lead sot-23-3 rt-3 rtb 3,000 ?40c to +85c adr540brtz-reel7 1 4.096 8 40 3 lead sot-23-3 rt-3 r1v 3,000 ?40c to +85c adr550art-r2 5.0 20 70 3-lead sot-23-3 rt-3 rva 250 ?40c to +85c adr550art-reel7 5.0 20 70 3-lead sot-23-3 rt-3 rva 3,000 ?40c to +85c adr550artz-reel7 1 5.0 20 70 3-lead sot-23-3 rt-3 r1q 3,000 ?40c to +85c adr550bks-r2 5.0 10 40 3-lead sc70 ks-3 rvb 250 ?40c to +85c adr550bks-reel7 5.0 10 40 3-lead sc70 ks-3 rvb 3,000 ?40c to +85c adr550bksz-reel7 1 5.0 10 40 3-lead sc70 ks-3 r1p 3,000 ?40c to +85c adr550brt-r2 5.0 10 40 3-lead sot-23-3 rt-3 rvb 250 ?40c to +85c adr550brt-reel7 5.0 10 40 3-lead sot-23-3 rt-3 rvb 3,000 ?40c to +85c adr550brtz-reel7 1 5.0 10 40 3-lead sot-23-3 rt-3 r1p 3,000 ?40c to +85c 1 z = rohs compliant part.
adr520/adr525/adr530/adr540/adr550 rev. e | page 15 of 1 6 notes
adr520/adr525/adr530/adr540/adr550 rev. e | page 16 of 16 notes ?2003C2008 analog devices, inc. all rights reserved. trademarks and registered trademarks are the prop erty of their respective owners. d04501-0-6/08(e)

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