The ADA4941-1 is a low-power, single-supply, 18-bit ADC driver that converts single-ended input signals to differential output signals. It features excellent linearity, low noise, high input impedance, user-adjustable gain, high speed, fast settling time, low output offset, and a disable feature.
The ADA4941-1 is a low‑power, low‑noise single‑supply differential driver designed to drive high‑resolution ADCs up to 18 bits. It offers a user‑adjustable gain, rail‑to‑rail output, high input impedance and operates from 2.7 V to 12 V.
The document provides full specifications, absolute maximum ratings, thermal resistance data, pin descriptions, typical performance curves, package dimensions and ordering options, along with revision history and safety notes.
| Supply Voltage Range | 2.7–12 V |
|---|---|
| Quiescent Current | 2.2 mA |
| Input Resistance | 24 MΩ |
| Gain (G=2) | 2.00 V/V |
| ‑3 dB Bandwidth (G=2) | 31 MHz |
| Output Current | 25 mA |
The device operates from 2.7 V to 12 V supply voltage.
Typical quiescent current is 2.2 mA.
The input resistance is 24 MΩ.
It is offered in an 8‑lead SOIC and an 8‑lead LFCSP (3 mm × 3 mm) package.