Key facts
- Brand
- Analog Devices
- Model
- AD8644
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-05-02
Start here

Analog Devices AD8614/AD8644 Operational Amplifier Datasheet
The AD8614 (single) and AD8644 (quad) are single‑supply, rail‑to‑rail operational amplifiers optimized for LCD monitor applications. They operate from 5 V to 18 V, deliver up to 70 mA output current, and feature a 5.5 MHz unity‑gain bandwidth with a 7.5 V/µs slew rate. The devices are built on Analog Devices' high‑voltage extra‑fast complementary bipolar (HV XFCB) process, providing low supply current (800 µA per amplifier) and robust capacitive‑load drive.
The datasheet includes detailed electrical characteristics, absolute maximum ratings, thermal resistance data, and protection guidelines such as input over‑voltage and output short‑circuit protection. Package options are offered in 5‑lead SOT‑23, 14‑lead TSSOP and 14‑lead SOIC formats, with ordering information and recommended unused‑amplifier configurations.
Analog Devices AD8644 specifications
| Unity‑gain bandwidth | 5.5 MHz |
|---|---|
| Slew rate | 7.5 V/µs |
| High output current | 70 mA |
| Supply current per amplifier | 800 µA (typ) |
| Input offset voltage (typ) | 1.0 mV |
| Input bias current (typ) | 80 nA |
| Supply voltage range | 5 V – 18 V |
| Operating temperature range | −20 °C – +85 °C |
| Package options | 5‑lead SOT‑23, 14‑lead TSSOP, 14‑lead SOIC |
Source: Analog Devices AD8614/AD8644 Operational Amplifier Datasheet
All Analog Devices AD8644 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the recommended supply voltage range for the AD8614/AD8644?
The devices are specified to operate from 5 V up to 18 V.
From: Analog Devices AD8614/AD8644 Operational Amplifier Datasheet
What is the maximum output current the amplifiers can source?
The typical maximum safe output current is 70 mA.
From: Analog Devices AD8614/AD8644 Operational Amplifier Datasheet
What supply voltage range does the AD8614/AD8644 support?
The devices operate from 5 V to 18 V supply voltage.
What is the maximum output current of the AD8644?
The AD8644 can source up to 70 mA of output current.
