OPA656UB Part Information

Details for OPA656UB by Texas Instruments

Semiconductors - ICs > Amplifiers & Comparators > Operational Amplifiers - Op Amps

Part Description

The OPA656 device combines a very wideband, unity-gain stable, voltage-feedback operational amplifier with a FET-input stage to offer an ultra high dynamic-range amplifier for Analog-to-Digital Converter (ADC) buffering and transimpedance applications. Extremely low DC errors give good precision in optical applications. The high unity-gain stable bandwidth and JFET input allows exceptional performance in high-speed, lownoise integrators. The high input impedance and low bias current provided by the FET input is supported by the ultralow 7-nV/√Hz input voltage noise to achieve a very low integrated noise in wideband photodiode transimpedance applications. Broad transimpedance bandwidths are achievable given the OPA656 device’s high 230-MHz gain bandwidth product. As shown below, a –3-dB bandwidth of 1 MHz is provided even for a high 1-MΩ transimpedance gain from a 47-pF source capacitance.

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Part Features

  • 500 MHz Unity-gain Bandwidth
  • High-Output Current: 70 mA
  • Low Distortion: 74-dB SFDR at 5 MHz
  • Low Input Bias Current: 2 pA
  • Low Input Voltage Noise: 7 nV/u221aHz
  • Low Offset And Drift: u00b1250 u00b5V, u00b12 u03bcV/u00b0C

Part Specifications

No. of Amplifiers 1 Amplifier, 1Amplifiers
Bandwidth 230MHz
Slew Rate 290V/µs
Supply Voltage Range ± 5V to ± 6V
Amplifier Case Style SOIC
No. of Pins 8Pins
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 3 - 168 hours
SVHC No SVHC (27-Jun-2018)
Amplifer Supply Voltage ± 5V to ± 6V
Gain Bandwidth 500MHz
Op Amp Type Wideband
Operating Temperature Range -40°C to +85°C
Supply Voltage Max 5.5V
Supply Voltage Min 4.5V
RoHS Compliant

Alternative Part Descriptions

  • OP Amp Single Volt Fdbk 6V 8-Pin SOIC | RS Components
  • OP Amp Single Volt Fdbk ±6V 8-Pin SOIC Tube | Avnet America
  • Wideband, Unity Gain Stable FET-Input Operational Amplifier | Texas Instruments

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