Fully-Differential Amplifier
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THS4532
SLOS829A – FEBRUARY 20...
Description
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THS4532
SLOS829A – FEBRUARY 2013 – REVISED JULY 2015
THS4532 Ultra Low Power, Rail-to-Rail Output, Fully-Differential Amplifier
1 Features
1 Ultra Low Power: – Voltage: 2.5 V to 5.5 V – Current: 250 µA – Power-Down Mode: 0.5 µA (typ)
Fully-Differential Architecture Bandwidth: 36 MHz Slew Rate: 200 V/µs THD: –120 dBc at 1 kHz (1 VRMS, RL= 2 kΩ) Input Voltage Noise: 10 nV/√Hz (f = 1 kHz) High DC Accuracy:
– VOS: ±100 µV – VOS Drift: ±3 µV/˚C (–40°C to +125°C) – AOL: 114 dB Rail-to-Rail Output (RRO) Negative Rail Input (NRI) Output Common-Mode Control
3 Description
The THS4532 is a low-power, fully-differential amplifier with input common-mode range below the negative rail and rail-to-rail output. The device is designed for low-power data acquisition systems and high density applications where power consumption and dissipation is critical.
The device features accurate output common-mode control that allows for dc coupling when driving analog-to-digital converters (ADCs). This control, coupled with the input common-mode range below the negative rail and rail-to-rail output, allows for easy interface from single-ended ground-referenced signal sources to successive-approximation registers (SARs), and delta-sigma (ΔΣ) ADCs using only single-supply 2.5-V to 5-V power. The THS4532 is also a valuable tool for general-purpose, low-power differential signal conditioning applicat...
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