有没有比PGA204精度更好的程控放大器啊?
时间:10-02
整理:3721RD
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有没有比PGA204精度更好的程控放大器啊
什么应用?
可以看下PGA280 Zerø-Drift Programmable Gain Instrumentation Amplifier:
- WIDE INPUT RANGE: ±15.5V at ±18V SUPPLY
- BINARY GAIN STEPS: 128V/V to 1/8V/V
- ADDITIONAL SCALING FACTOR: 1V/V and 1?V/V
- LOW OFFSET VOLTAGE: 3µV at G = 128
- NEAR-ZERO LONG-TERM DRIFT OF OFFSET VOLTAGE
- NEAR-ZERO GAIN DRIFT: 0.5ppm/°C
- EXCELLENT LINEARITY: 1.5ppm
- EXCELLENT CMRR: 140dB
- HIGH INPUT IMPEDANCE
- VERY LOW 1/f NOISE
http://www.ti.com.cn/cn/lit/ds/symlink/pga280.pdf
可以看下PGA的选型指南,根据自己实际应用情况进行筛选:
http://www.ti.com/lsds/ti/amplifiers/pga-vga/pga-vga-products.page#p3229=PGA