Wideband, Ultra Low-Noise, Voltage-Feedback Operational Amplifier With Shutdown

The OPA847 combines very high gain bandwidth and large signal performance with an ultra-low input noise voltage (0.85nV/Hz) while using only 18mA supply current. Where power savings is critical, the OPA847 also includes an optional power shutdown pin that, when pulled low, disables the Amplifier and decreases the supply current to < 1% of the powered-up value. This optional feature may be left disconnected to ensure normal Amplifier operation when no power-down is required. The combination of very low input voltage and current noise, along with a 3.9GHz gain bandwidth product, make the OPA847 an ideal Amplifier for wideband transimpedance applications. As a voltage gain stage, the OPA847 is optimized for a flat frequency response at a gain of +20V/V and is stable down to gains as low as +12V/V. New external compensation techniques allow the OPA847 to be used at any inverting gain with excellent frequency response control. Using this technique in a differential Analog-to-digital Converter (ADC) Interface application, shown below, CAN deliver one of the highest dynamic range Interfaces available. By Texas Instruments
Part Manufacturer Description Datasheet Samples
OPA847IDBVT Texas Instruments Wideband, Ultra-Low Noise,Voltage Feedback Operational Amplifier with Shutdown 6-SOT-23 -40 to 85
OPA847IDBVTG4 Texas Instruments Wideband, Ultra-Low Noise,Voltage Feedback Operational Amplifier with Shutdown 6-SOT-23 -40 to 85
OPA847IDG4 Texas Instruments Wideband, Ultra-Low Noise,Voltage Feedback Operational Amplifier with Shutdown 8-SOIC -40 to 85
OPA847IDR Texas Instruments Wideband, Ultra-Low Noise,Voltage Feedback Operational Amplifier with Shutdown 8-SOIC -40 to 85
OPA847IDRG4 Texas Instruments Wideband, Ultra-Low Noise,Voltage Feedback Operational Amplifier with Shutdown 8-SOIC -40 to 85
OPA847ID Texas Instruments Wideband, Ultra-Low Noise,Voltage Feedback Operational Amplifier with Shutdown 8-SOIC -40 to 85
OPA847IDBVR Texas Instruments Wideband, Ultra-Low Noise,Voltage Feedback Operational Amplifier with Shutdown 6-SOT-23 -40 to 85
OPA847IDBVRG4 Texas Instruments OP-AMP, 600uV OFFSET-MAX, 3900MHz BAND WIDTH, PDSO6, GREEN, PLASTIC, SOT-23, 6 PIN
OPA847 's PackagesOPA847 's pdf datasheet
OPA847ID SOIC
OPA847IDBVR SOT-23
OPA847IDBVRG4 SOT-23
OPA847IDBVT SOT-23
OPA847IDBVTG4 SOT-23
OPA847IDG4 SOIC
OPA847IDR SOIC
OPA847IDRG4 SOIC




OPA847 Pinout, Pinouts
OPA847 pinout,Pin out
This is one package pinout of OPA847,If you need more pinouts please download OPA847's pdf datasheet.

OPA847 Application circuits
OPA847 circuits
This is one application circuit of OPA847,If you need more circuits,please download OPA847's pdf datasheet.


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