AD621A AD [Analog Devices], AD621A Datasheet
AD621A
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AD621A Summary of contents
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... Its unique combination of high perfor- mance, small size and low power, outperforms discrete in amp implementations. High functionality, low gain errors, and low 30,000 25,000 20,000 15,000 AD621A 10,000 5,000 SUPPLY CURRENT – mA ...
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... See Analog Devices’ military data sheet for 883B tested specifications. 2 This is defined as the supply range over which PSRR is defined. Input Voltage Range = CMV + (Gain × DIFF Specifications subject to change without notice and unless otherwise noted.) L AD621A Min Typ Max Min 0. ± 5 –1.5 75 ...
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... See Analog Devices’ military data sheet for 883B tested specifications. 2 This is defined as the supply range over which PSEE is defined. Input Voltage Range = CMV + (Gain × DIFF Specifications subject to change without notice and unless otherwise noted.) L AD621A AD621B Min Typ Max Min 0. ± 5 –1 ...
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... Plastic SOIC R-8 AD621BR –40°C to +85°C 8-Lead Plastic SOIC R-8 2 AD621SQ/883B –55°C to +125°C 8-Lead Cerdip AD621ACHIPS –40°C to +85°C Die NOTES Plastic DIP Cerdip SOIC. 2 See Analog Devices’ military data sheet for 883B specifications. ...
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SAMPLE SIZE = –200 –100 0 +100 INPUT OFFSET VOLTAGE – SAMPLE SIZE = –80 –40 0 +40 INPUT OFFSET VOLTAGE – SAMPLE ...
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... TIME – 1 sec/div TIME – 1 sec/div 100 100 1000 100,000 10,000 1000 100 10 160 140 120 100 0.1 100mV 1s FET INPUT IN AMP AD621A 1k 10k 100k 1M SOURCE RESISTANCE – GAIN = 100 GAIN = 100 1k 10k 100k FREQUENCY – Hz 10M 1M Ω ...
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G = 100 140 120 100 0 100 1k 10k FREQUENCY – Hz 180 160 G = 100 140 120 100 0.1 ...
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AD621 15V 100 LOAD RESISTANCE – 5V 1mV 100 20mV 100 Ω 100 10k 10 s 100 90 10 ...
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TO 0.01 OUTPUT STEP SIZE – Volts 2.0 1 1.0 0.5 – –0.5 –1.0 –1.5 –2.0 –125 –75 – TEMPERATURE – C 0PW 0 VZR ...
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... This is because a three op amp type in amp has two op amps at its inputs, both contributing to the overall input error. + AD621A – REFERENCE AD621A MONOLITHIC INSTRUMENTATION AMPLIFIER 100 SUPPLY CURRENT = 1.3mA MAX + 10k 10k OP07D – ...
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Pressure Measurement Although useful in many bridge applications such as weigh-scales, the AD621 is especially suited for higher resistance pressure sensors powered at lower voltages where small size and low power become more even ...
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AD621 INPUT A: + 10V CM V DIFF 0.5V – COM 10V– INPUT OFFSET V DIFF (1.25V + 1V) – ± The AD621, as well as many other monolithic instrumentation amplifiers, is based on the ...
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Precision V-I Converter The AD621 along with another op amp and two resistors make a precision current source (Figure 9). The op amp buffers the reference terminal to maintain good CMR. The output voltage V of the AD621 appears across ...
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AD621 Gain Selection The AD621 has accurate, low temperature coefficient (TC), gains of 10 and 100 available. The gain of the AD621 is nomi- nally set at 10; this is easily changed to a gain of 100 by simply connecting ...
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GROUNDING Since the AD621 output voltage is developed with respect to the potential on the reference terminal, it can solve many ground- ing problems by simply tying the REF pin to the appropriate “local ground.” In order to isolate low ...
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AD621 SEATING PLANE 0.010 (0.25) 0.004 (0.10) OUTLINE DIMENSIONS Dimensions shown in inches and (mm). Plastic DIP (N-8) Package 8 5 0.25 0.31 (6.35) (7.87 0.39 (9.91) MAX 0.035 0.01 (0.89 0.25) 0.165 0.01 (4.19 0.25) 0.125 (3.18) ...