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> OPA656 fet input wide bandwidth, lo noise opamp (4)
OPA656 fet input wide bandwidth, lo noise opamp (4)
Low Distortion, Low Noise OpAmp
Burr-Brown / Texas Instruments
The high input impedance and low bias current provided by the FET input is supported by the ultra-low 7nV/rtHz input voltage noise to achieve a very low integrated noise in wideband photodiode transimpedance applications.
Broad transimpedance bandwidths are achievable given the OPA656 s high 230MHz gain bandwidth product. As shown below, a 3dB bandwidth of 1MHz is provided even for a high 1Mohm transimpedance gain from a 47pF source capacitance.
* LOW INPUT VOLTAGE NOISE: 7nV/rtHz
* WIDEBAND PHOTODIODE AMPLIFIERS
* SAMPLE-AND-HOLD BUFFERS
* WIDEBAND PRECISION AMPLIFIERS
* TEST AND MEASUREMENT FRONT ENDS
