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LMP7721MAEVALMF/NOPB
多功能评估板, LMP7721 3fA输入偏置电流精密放大器
- 制造商产品编号:
- LMP7721MAEVALMF/NOPB
- 库存编号
- 3125615
产品概述
The LMP7721MAEVALMF/NOPB is a multi function evaluation board for LMP7721 ultra low input bias current operational amplifier. The LMP7721 amplifier is optimized for ultra low input bias current applications by utilizing internal guarding techniques and a special package pin out to isolate the amplifier`s inputs from its power supply and output pins. This pinout also allows room for proper guarding around the input pins and feedback circuitry. The LMP7721 multi function evaluation board may be used to evaluate the LMP7721 in the inverting, noninverting and transimpedance configurations. The layout has been optimized for sub picoamp operation using conventional FR4 materials through careful layout and guarding techniques. A second LMP7715 precision amplifier (U2) acts as a guard driver to provide active guarding to the input circuits. The LMP7715 buffer samples the voltage on the LMP7721`s summing node and drives the guard traces to an identical potential.
- Offset voltage of ±26µV
- Offset voltage drift of -1.5µV/°C
- DC open loop gain of 120dB
- DC CMRR of 100dB
- Supply current of 1.3mA
- 17MHz GBW
- Slew rate (falling edge) of 12.76V/µs
- Supply Voltage range from 1.8V to 5.5V
应用
便携式器材, 传感与仪器, 计量, 通信与网络
警告
该设备静电防护措施有限, 存放时引线应短接在一起, 或将设备放置在导电泡漠中, 以防止静电对MOS门造成损坏.
产品信息
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