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OPA2834 Datasheet Voltage-feedback Amplifier

Manufacturer: Texas Instruments

Overview: Product Folder Order Now Technical Documents Tools & Software Support & munity OPA2834 SBOS973A – JUNE 2019 – REVISED SEPTEMBER 2019 OPA2834 50-MHz, 170-µA, Negative-Rail In, Rail-to-Rail Out, Voltage-Feedback Amplifier.

General Description

The OPA2834 is a dual-channel, ultra-low-power, railto-rail output, negative-rail input, voltage-feedback (VFB) operational amplifier designed to operate over a power-supply range of 2.7 V to 5.4 V with a single supply, or ±1.35 V to ±2.7 V with a dual supply.

Consuming only 170 µA per channel and with a unitygain bandwidth of 50 MHz, this amplifier sets an industry-leading performance-to-power ratio for railto-rail amplifiers.

For battery-powered and portable applications where low power consumption is of key importance, the OPA2834 offers an excellent bandwidth to IQ ratio.

Key Features

  • 1 Ultra-low power:.
  • Supply voltage: 2.7 V to 5.4 V.
  • Quiescent current (IQ): 170 µA/ch (typical).
  • Bandwidth: 50 MHz (G = 1 V/V).
  • Slew rate: 26 V/µs.
  • Settling time (0.1%): 88 ns (2-VSTEP).
  • HD2, HD3:.
  • 131 dBc,.
  • 146 dBc at 10 kHz (2 VPP).
  • Input voltage noise: 12 nV/√Hz (f = 10 kHz).
  • Input offset voltage: 350 µV (±1.9 mV max).
  • Negative rail input, rail-to-rail output (RRO).
  • Input voltage.

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