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ADA4522-1 Zero-Drift Op-Amp

Public Unreviewed

by Ray

Single zero-drift op-amp with high supply voltage, low noise, and near-zero offset drift.

op-ampzero-driftsingleprecisionhigh-voltageadisoic-8
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Contents

README

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ADA4522

Analog Devices · Operational Amplifier · SOIC-8

The ADA4522-1 is a single zero-drift operational amplifier that pairs low input offset (5 uV max) and near-zero drift with a wide supply range up to 55 V and low broadband noise. Its combination of precision and high-voltage operation suits demanding bridge, current-sense, and instrumentation front ends that run from higher rails.

Pinout

Pin Name Type Function
1 NIC unconnected Not internally connected. Leave floating or optionally tie to a stable potential; no internal die connection.
2 -IN input Inverting input of the op amp. Ground-sensing input; input voltage range extends from V- (ground on single supply) to (V+) - 1.5 V.
3 +IN input Noninverting input of the op amp. Ground-sensing input; input voltage range extends from V- (ground on single supply) to (V+) - 1.5 V.
4 V- power_in Negative supply voltage. Single-supply operation: connect to GND (V+ = 4.5 V to 55 V). Dual-supply operation: -2.25 V to -27.5 V referenced to ground.
5 NIC unconnected Not internally connected. Leave floating or optionally tie to a stable potential; no internal die connection.
6 OUT output Op amp output. Rail-to-rail output; drives 10 kΩ loads to within millivolts of either supply rail.
7 V+ power_in Positive supply voltage. Total supply range 4.5 V to 55 V (single) or ±2.25 V to ±27.5 V (dual). Bypass with a local 0.1 µF ceramic to V-/GND close to the pin.
8 NIC unconnected Not internally connected. Leave floating or optionally tie to a stable potential; no internal die connection.

Key specifications

Parameter Value
Type Single zero-drift op-amp
Input offset voltage 5 uV max
Offset drift 0.022 uV/C typ
Gain-bandwidth product 2.7 MHz typ
Input noise 5.8 nV/sqrt(Hz)
Supply voltage 4.5 V to 55 V
Operating temperature -40 C to 125 C

Ordering variants

  • ADA4522ARMZ
  • ADA4522ARZ
  • ADA4522ARZ-2
  • ADA4522ARMZ-2
  • ADA4522ARZ-4
  • ADA4522ARUZ-4

CAD (KiCad official)

  • Symbol: ada4522.kicad_sym
  • Footprint: ada4522.kicad_mod
  • 3D model: SOIC-8 body from KiCad Package_SO/SOIC-8_3.9x4.9mm_P1.27mm.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Analog Devices datasheet (48 pp, sha256 a97ba626399a0e7d, retrieved 2026-08-17, tier: manufacturer)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF