OPA656UB Datasheet PDF - TI

●The OPA656UB is 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, low-noise integrators. The high input impedance and low bias current provided by the FET input is supported by the ultra-low 7nV/√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 230MHz gain bandwidth product.

● 2pA Low input bias current

● ±250µV and ±2µV/°C Low offset and drift

● 74dB SFDR at 5MHz Low distortion

● 70mA High-output current

● 7nV/√Hz Low input voltage noise