本帖最后由 kmzhangp 于 2015-5-4 18:31 编辑
谁说仪表放大器增益带宽积没有高的，看AD8129，AD8130
FEATURES
High speed
AD8130: 270 MHz, 1090 V/μs @ G = +1
AD8129: 200 MHz, 1060 V/μs @ G = +10
High CMRR
94 dB min, dc to 100 kHz
80 dB min @ 2 MHz
70 dB @ 10 MHz
High input impedance: 1 MΩ differential
Input common-mode range ±10.5 V
Low noise
AD8130: 12.5 nV/√Hz
AD8129: 4.5 nV/√Hz
Low distortion, 1 V p-p @ 5 MHz
AD8130, −79 dBc worst harmonic @ 5 MHz
AD8129, −74 dBc worst harmonic @ 5 MHz
User-adjustable gain
No external components for G = +1
Power supply range +4.5 V to ±12.6 V
Power-down
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