Datasheet LT1022 (Analog Devices) - 8
| Manufacturer | Analog Devices |
| Description | High Speed, Precision JFET Input Operational Amplifier |
| Pages / Page | 12 / 8 — TYPICAL APPLICATIO S. Wide Bandwidth Absolute Value Circuit. Fast, … |
| File Format / Size | PDF / 165 Kb |
| Document Language | English |
TYPICAL APPLICATIO S. Wide Bandwidth Absolute Value Circuit. Fast, Differential Input Current Source
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Text Version of Document
LT1022
U TYPICAL APPLICATIO S Wide Bandwidth Absolute Value Circuit
10k* 10k* 10k* 10pF 10pF 15V 15V 10k* 1N4148 INPUT 2 7 2 7 – – ±10V 6 6 OUTPUT LT1022 LT1022 0V TO 10V 3 3 + + 4 4 1N4148 –15V –15V *0.1% 10k* 1% ACCURACY TO 300kHz 5% ACCURACY TO 700kHz LT1022 • TA06
Fast, Differential Input Current Source
15V R* 10pF 2 R* 7 V V IN2 – VIN1 IN1 – IOUT = R 6 LT1022 R* 3 VIN2 + 4 R* –15V I R OUT L *MATCH TO 0.01% FULL-SCALE POWER BANDWIDTH = 1MHz FOR IOUTR = 8VP-P = 400kHz FOR IOUTR = 20VP-P MAXIMUM IOUT = 10mAP-P IOUTP-P • RL COMMON-MODE VOLTAGE AT LT1022 INPUT = 2 LT1022 • TA07 1022fa 8
U TYPICAL APPLICATIO S Wide Bandwidth Absolute Value Circuit
10k* 10k* 10k* 10pF 10pF 15V 15V 10k* 1N4148 INPUT 2 7 2 7 – – ±10V 6 6 OUTPUT LT1022 LT1022 0V TO 10V 3 3 + + 4 4 1N4148 –15V –15V *0.1% 10k* 1% ACCURACY TO 300kHz 5% ACCURACY TO 700kHz LT1022 • TA06
Fast, Differential Input Current Source
15V R* 10pF 2 R* 7 V V IN2 – VIN1 IN1 – IOUT = R 6 LT1022 R* 3 VIN2 + 4 R* –15V I R OUT L *MATCH TO 0.01% FULL-SCALE POWER BANDWIDTH = 1MHz FOR IOUTR = 8VP-P = 400kHz FOR IOUTR = 20VP-P MAXIMUM IOUT = 10mAP-P IOUTP-P • RL COMMON-MODE VOLTAGE AT LT1022 INPUT = 2 LT1022 • TA07 1022fa 8
