The ADG849 is a monolithic, CMOS SPDT switch that operates with a supply range of 1.8V to 5.5V. It features ultralow on-resistance, excellent audio performance, high current carrying capability, and is suitable for a wide range of applications.
The ADG849 is a monolithic CMOS SPDT switch offering ultra‑low on‑resistance (0.5 Ω typical) and high current capability (400 mA continuous, 600 mA peak). It operates from 1.8 V to 5.5 V and is rated for an automotive temperature range of –40 °C to +125 °C, making it suitable for space‑constrained, battery‑powered applications.
The document provides full electrical specifications, pin configuration, absolute maximum ratings, and typical performance curves such as on‑resistance versus voltage, leakage currents, bandwidth, and THD+N. It also includes ESD handling guidelines and ordering information.
| On‑Resistance (Ron) typical | 0.5 Ω |
|---|---|
| Continuous current | 400 mA |
| Peak current (5 V) | 600 mA |
| Operating temperature range | -40 °C to +125 °C |
| Supply voltage range | 1.8 V to 5.5 V |
| Source off leakage (typical) | 0.01 nA |
| Input low voltage (max) | 0.8 V |
| Bandwidth (-3 dB) | 38 MHz typical |
| THD+N | 0.01 % typical |
The ADG849 has a typical on‑resistance of 0.5 Ω.
It can handle 400 mA continuous current and up to 600 mA peak current at a 5 V supply.
The device is rated for –40 °C to +125 °C operation.
The switch operates from 1.8 V up to 5.5 V.