1.6GHz, Low Noise, FET-Input Operational Amplifier

The OPA657 combines a high gain bandwidth, low distortion, voltage-feedback op amp with a low voltage noise JFET-input stage to offer a very high dynamic range Amplifier for high precision ADC (Analog-to-Digital Converter) driving or wideband transimpedance applications. Photodiode applications will see improved noise and bandwidth using this decompensated, high gain bandwidth Amplifier Very low level signals CAN be significantly amplified in a single OPA657 gain stage with exceptional bandwidth and accuracy. Having a high 1.6GHz gain bandwidth product will give > 10MHz signal bandwidths up to gains of 160V/V (44dB). The very low input bias current and capacitance will support this performance even for relatively high source impedances. Broadband photodetector applications will benefit from the low voltage noise JFET inputs for the OPA657. The JFET input contributes virtually no current noise while for Broadband applications, a low voltage noise is also required. The low 4.8nV/Hz input voltage noise will provide exceptional input sensitivity for higher bandwidth applications. The example shown below will give a total equivalent input noise current of 1.8pA/Hz over a 10MHz bandwidth. By Texas Instruments
Part Manufacturer Description Datasheet Samples
OPA657U Texas Instruments 1.6GHz, Low Noise, FET-Input Operational Amplifier 8-SOIC -40 to 85
OPA657U/2K5G4 Texas Instruments OP-AMP, 2600uV OFFSET-MAX, 1600MHz BAND WIDTH, PDSO8, GREEN, PLASTIC, MS-012AA, SOIC-8
OPA657N/250 Texas Instruments 1.6GHz, Low Noise, FET-Input Operational Amplifier 5-SOT-23 -40 to 85
OPA657NB/250 Texas Instruments 1.6GHz, Low Noise, FET-Input Operational Amplifier 5-SOT-23 -40 to 85
OPA657UBG4 Texas Instruments 1.6GHz, Low Noise, FET-Input Operational Amplifier 8-SOIC -40 to 85
OPA657N/250G4 Texas Instruments 1.6GHz, Low Noise, FET-Input Operational Amplifier 5-SOT-23 -40 to 85
OPA657NB/250G4 Texas Instruments 1.6GHz, Low Noise, FET-Input Operational Amplifier 5-SOT-23 -40 to 85
OPA657UG4 Texas Instruments 1.6GHz, Low Noise, FET-Input Operational Amplifier 8-SOIC -40 to 85
OPA657U/2K5 Texas Instruments 1.6GHz, Low Noise, FET-Input Operational Amplifier 8-SOIC -40 to 85
OPA657UB Texas Instruments 1.6GHz, Low Noise, FET-Input Operational Amplifier 8-SOIC -40 to 85
OPA657 's PackagesOPA657 's pdf datasheet
OPA657N-250 SOT-23
OPA657N-250G4 SOT-23
OPA657NB-250 SOT-23
OPA657NB-250G4 SOT-23
OPA657NB-3K SOT-23
OPA657NB-3KG4 SOT-23
OPA657U SOIC
OPA657U-2K5 SOIC
OPA657U-2K5G4 SOIC
OPA657UB SOIC
OPA657UG4 SOIC




OPA657 Pinout, Pinouts
OPA657 pinout,Pin out
This is one package pinout of OPA657,If you need more pinouts please download OPA657's pdf datasheet.

OPA657 Application circuits
OPA657 circuits
This is one application circuit of OPA657,If you need more circuits,please download OPA657's pdf datasheet.


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