OPA2835

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community OPA835, OPA2835 SLOS713I – JANUARY 2011 – REVISED AUGUST 2016 OPAx835 Ultra-Low-Power, Rail-to-Rail Out, Negative Rail In, VFB Op Amp 1 Features 1 Ultra-Low Power – Supply Voltage: 2.5 V to 5.5 V – Quiescent Current: 250 µA/ch (Typical) – Power Down Mode: 0.5 µA (Typical) Bandwidth: 56 MHz (AV = 1 V/V) Slew Rate: 160 V/µs Rise Time: 10 ns (2 VSTEP) Settling Time (0.1%): 55 ns (2 VSTEP) Overdrive Recovery Time: 200 ns SNR: 0.00015% (–116.4 dBc) at 1 kHz (1 VRMS) THD: 0.00003% (–130 dBc) at 1 kHz (1 VRMS) HD2/HD3: –70 dBc/–73 dBc at 1 MHz (2 VPP) Input Voltage Noise: 9.3 nV/√Hz (f = 100 kHz) Input Offset Voltage: 100 µV (±500-µV Maximum) CMRR: 113 dB Output Current Drive: 40 mA RRO: Rail-to-Rail Output Input Voltage Range: –0.2 V to 3.9 V (5-V Supply) Operating Temperature Range: –40°C to +125°C 2 Applications Low-Power Signal Conditioning Audio ADC Input Buffer Low-Power SAR and ΔΣ ADC Driver Portable Systems Low-Power Systems High-Density Systems Ultrasonic Flow Meter 3 Description The OPA835 and OPA2835 devices (OPAx835) are single and dual ultra-low-power, rail-to-rail output, negative-rail input, voltage-feedback (VFB) operational amplifiers designed to operate over a power supply range of 2.5-V to 5.5-V with a single supply, or ±1.25-V to ±2.75-V with a dual supply. Consuming only 250 µA per channel and with a unity gain bandwidth of 56 M...