OPERATIONAL AMPLIFIER
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OPA836, OPA2...
Description
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OPA836, OPA2836
SLOS712I – JANUARY 2011 – REVISED OCTOBER 2016
OPAx836 Very-Low-Power, Rail-to-Rail Out, Negative Rail In, Voltage-Feedback Operational Amplifiers
1 Features
1 Low Power: – Supply Voltage: 2.5 V to 5.5 V – Quiescent Current: 1 mA (Typical) – Power Down Mode: 0.5 µA (Typical)
Bandwidth: 205 MHz Slew Rate: 560 V/µs Rise Time: 3 ns (2 VSTEP) Settling Time (0.1%): 22 ns (2 VSTEP) Overdrive Recovery Time: 60 ns SNR: 0.00013% (–117.6 dBc) at 1 kHz (1 VRMS) THD: 0.00003% (–130 dBc) at 1 kHz (1 VRMS) HD2/HD3: –85 dBc/–105 dBc at 1 MHz (2 VPP) Input Voltage Noise: 4.6 nV/√Hz (f = 100 kHz) Input Offset Voltage: 65 µV (±400-µV Maximum) CMRR: 116 dB Output Current Drive: 50 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 Buffers Low-Power SAR and ΔΣ ADC Drivers Portable Systems Low-Power Systems High-Density Systems
3 Description
The OPA836 and OPA2836 devices (OPAx836) are single- and dual-channel, 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 1 mA per channel and a unity-gain bandwidth of...
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