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Home » NEWEST Products » New by Category » Semiconductors » Amplifier ICs » Differential Amplifiers » THS4531 Low Power Fully-Differential Amplifier - TI
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Texas Instruments THS4531 Ulta Low Power Fully-Differential Amplifier

Texas Instruments THS4531 Ultra Low Power
Fully-Differential Amplifier

Texas Instruments THS4531 is a low-power, fully-differential amplifier with input common-mode range below the negative rail and rail-to-rail output. This TI op amp is designed for low-power data acquisition systems and high density applications in which power consumption and dissipation are critical. THS4531 fully-differential amplifier 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 ADCs using only single-supply 2.5V to 5V power. The THS4531 is also a valuable tool for general-purpose, low-power differential signal conditioning applications.

Features
  • Ultra Low Power:
    • Voltage: 2.5V to 5.5V
    • Current: 250µA
    • Power-Down Mode: 0.5µA (typ)
  • Fully-Differential Architecture
  • Bandwidth: 36MHz
  • Slew Rate: 200V/µs
  • THD: -120dBc at 1kHz (1VRMS, RL= 2kΩ)
  • Input Voltage Noise: 10nV/√Hz (f = 1kHz)
  • High DC Accuracy:
    • VOS Drift: ±4µV/°C (-40°C to +125°C)
    • AOL: 114dB
  • Rail-to-Rail Output (RRO)
  • Negative Rail Input (NRI)
  • Output Common-Mode Control
Applications
  • Low-Power SAR, ΔΣ ADC Driver
  • Low Power, High Performance:
    • Differential to Differential Amplifier
    • Single-Ended to Differential Amplifier
  • Low-Power, Wide-Bandwidth Differential Driver
  • Low-Power, Wide-Bandwidth Differential Signal Conditioning
  • High Channel Count and Power Dense Systems

1kHz FFT Plot on Audio Analyzer

1kHz FFT Plot on Audio Analyzer
  • Texas Instruments