AD548KNZ Analog Devices Inc, AD548KNZ Datasheet
AD548KNZ
Specifications of AD548KNZ
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AD548KNZ Summary of contents
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PRODUCT DESCRIPTION The AD548 is a low power, precision monolithic operational amplifier. It offers both low bias current (10 pA max, warmed up) and low quiescent current (200 µA max) and is fabricated with ion-implanted FET and laser wafer ...
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AD548–SPECIFICATIONS Parameter 1 INPUT OFFSET VOLTAGE Initial Offset MIN MAX vs. Temperature vs. Supply vs. Supply MIN MAX Long-Term Offset Stability INPUT BIAS CURRENT 2 Either Input , Either ...
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SPECIFICATIONS (continued) POWER SUPPLY Rated Performance Operating Range Quiescent Current TEMPERATURE RANGE Operating, Rated Performance Commercial (0°C to 70°C) Industrial (–40°C to +85°C) Military (–55°C to +125°C) PACKAGE OPTIONS SOIC (R-8) Plastic (N-8) Tape and Reel NOTES 1 Input Offset ...
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AD548 l ABSOLUTE MAXIMUM RATINGS Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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IN 10 – SUPPLY VOLTAGE – V 200 180 160 140 120 SUPPLY VOLTAGE – –10 –6 ...
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AD548 100 100 PHASE GAIN –20 –20 –40 –40 1k 10k 100k 1M 10M FREQUENCY – 10k 100k 1M FREQUENCY ...
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APPLICATION NOTES The AD548 is a JFET-input op amp with a guaranteed maxi- mum I of less than 10 pA, and offset and drift laser-trimmed to B 0.5 mV and 5 µV/°C, respectively (AD548B). AC specs include 1 MHz bandwidth, ...
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AD548 INPUT PROTECTION The AD548 is guaranteed to withstand input voltages equal to the power supply potential. Exceeding the negative supply volt- age on either input will forward bias the substrate junction of the chip. The induced current may destroy ...
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PHOTODIODE PREAMP The performance of the photodiode preamp shown in Figure 7 is enhanced by the AD548’s low input current, input voltage offset, and offset voltage drift. The photodiode sources a current proportional to the incident light power on its ...
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AD548 compensation is provided by resistors R8 and R15 that have a positive 3500 ppm/°C temperature coefficient. The transfer function for the output voltage is log V (I OUT 10 2 Frequency compensation is provided by R11, R12, ...
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Plastic Mini-DIP (N) Package Revision History Location Data Sheet changed from REV REV. C. Edits to FEATURES . . . . . . . . . . . . . . . . . . . . . ...
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