OPA2320

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design OPA320, OPA2320, OPA320S, OPA2320S SBOS513F – AUGUST 2010 – REVISED DECEMBER 2016 OPAx320x Precision, 20-MHz, 0.9-pA, Low-Noise, RRIO, CMOS Operational Amplifier With Shutdown 1 Features 1 Precision with Zero-Crossover Distortion: – Low Offset Voltage: 150 µV (Maximum) – High CMRR: 114 dB – Rail-to-Rail I/O Low Input Bias Current: 0.9 pA (Maximum) Low Noise: 7 nV/√Hz at 10 kHz Wide Bandwidth: 20 MHz Slew Rate: 10 V/µs Quiescent Current: 1.45 mA/Ch Single-Supply Voltage Range: 1.8 V to 5.5 V OPA320S and OPA2320S: – IQ in Shutdown Mode: 0.1 µA Unity-Gain Stable Small Packages: – SOT-23, VSSOP, SON, and SOIC 2 Applications High-Z Sensor Signal Conditioning Transimpedance Amplifiers Test and Measurement Equipment Programmable Logic Controllers (PLCs) Motor Control Loops Communications Input/Output ADC/DAC Buffers Active Filters Block Diagram V+ Low Noise Charge Pump Bias Circuitry +IN -IN OUT 3 Description The OPA320 (single) and OPA2320 (dual) are a new generation of precision, low-voltage CMOS operational amplifiers optimized for very low noise and wide bandwidth while operating on a low quiescent current of only 1.45 mA. The OPA320 series is ideal for low-power, singlesupply applications. Low-noise (7 nV/√Hz) and highspeed operation also make them well-suited for driving sampling analog-to-digital converters (ADCs). Other applications...