AD624BDZ Analog Devices Inc, AD624BDZ Datasheet
AD624BDZ
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AD624BDZ Summary of contents
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PRODUCT DESCRIPTION The AD624 is a high precision, low noise, instrumentation amplifier designed primarily for use with low level transducers, including load cells, strain gauges and pressure transducers. An outstanding combination of low noise, high gain accuracy, low gain ...
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AD624–SPECIFICATIONS Model AD624A Min GAIN Gain Equation (External Resistor Gain Programming) 40, 000 Gain Range (Pin Programmable 1000 Gain Error 100 G = 200, 500 Nonlinearity ...
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Model AD624A Min REFERENCE INPUT ± 10 Voltage Range Gain to Output TEMPERATURE RANGE Specified Performance –25 Storage –65 POWER SUPPLY Power Supply Range 6 Quiescent Current NOTES the maximum differential input ...
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AD624–Typical Characteristics SUPPLY VOLTAGE – V 8.0 6.0 4.0 2 SUPPLY VOLTAGE – ...
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G = 500 –120 G = 100 –100 –80 –60 –40 – 100 1k 10k 100k 1M 10M FREQUENCY – Hz 160 –V = –15V dc+ S 140 1V p-p SINEWAVE G = ...
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AD624 – 0.1% 1% 0.01% – – OUTPUT STEP – – –8 0.01 – SETTLING TIME – s – ...
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INPUT 100k 20V p 0.1% THEORY OF OPERATION The AD624 is a monolithic instrumentation amplifier based on a modification of the classic three-op-amp instrumentation amplifier. Monolithic construction and laser-wafer-trimming allow the tight matching and tracking of circuit components ...
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AD624 directly proportional to gain i.e., input offset as measured at the output 100 is 100 times greater than Output offset is independent of gain. At low gains, output offset drift is dominant, ...
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NOISE The AD624 is designed to provide noise performance near the theoretical noise floor. This is an extremely important design criteria as the front end noise of an instrumentation amplifier is the ultimate limitation on the resolution of the data ...
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AD624 GROUNDING Many data-acquisition components have two or more ground pins which are not connected together within the device. These grounds must be tied together at one point, usually at the sys- tem power supply ground. Ideally, a single solid ...
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INPUT OFFSET 4 TRIM 20k R1 5 10k 10k 6 – AD624 + 35V K1 – ANALOG THERMOSEN DM2C COMMON 4.5V COIL D1 – ...
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AD624 50 +INPUT (–INPUT 100 225.3 4445 200 V B 124 G = 500 80.2 20k 20k 50 –INPUT (+INPUT DAC A DB0 DATA INPUTS DB7 CS AD7528 WR DAC ...
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WEIGH SCALE Figure 44 shows an example of how an AD624 can be used to condition the differential output voltage from a load cell. The 10% reference voltage adjustment range is required to accom- modate the 10% transducer sensitivity tolerance. ...
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AD624 ERROR BUDGET ANALYSIS To illustrate how instrumentation amplifier specifications are applied, we will now examine a typical case where an AD624 is required to amplify the output of an unbalanced transducer. Figure 47 shows a differential transducer, unbalanced by ...
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OUTLINE DIMENSIONS Dimensions shown in inches and (mm). Side-Brazed Solder Lid Ceramic DIP (D-16) 0.005 (0.13) MIN 0.080 (2.03) MAX 16 9 0.310 (7.87) 0.220 (5.59 PIN 1 0.060 (1.52) 0.840 (21.34) MAX 0.015 (0.38) 0.200 (5.08) MAX ...
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