The ADG888 is a 0.4Ω CMOS dual DPDT switch designed for operation from 1.8V to 5.5V. It features ultralow on resistance, excellent audio performance, high current carrying capability, and rail-to-rail switching operation. It is suitable for applications such as cellular phones, PDAs, MP3 players, and power routing.
The ADG888 is a low‑voltage, dual DPDT (double pole double throw) CMOS switch optimized for high‑performance audio and signal routing in portable devices. It offers ultralow on‑resistance, high current handling, and rail‑to‑rail switching across a wide temperature range.
Available in 4 × 4 mm WLCSP, 16‑lead LFCSP, and 16‑lead TSSOP packages, the device is suited for space‑constrained applications such as cellular phones, PDAs, MP3 players, and other battery‑powered systems. The datasheet provides detailed specifications, pin configurations, and typical performance curves.
| Operating voltage range | 1.8 V to 5.5 V |
|---|---|
| Typical on‑resistance (Ron) | 0.4 Ω |
| Continuous current | 400 mA at 5 V |
| Peak current | 600 mA (pulsed) |
| Automotive temperature range | ‑40 °C to +125 °C |
| Source off leakage current | 0.2 nA typ |
| Input high voltage (Vin) | 2.0 V min |
| Input low voltage (Vint) | 0.8 V max |
| Total harmonic distortion (THD+N) | 0.008 % typ |
| 3‑dB bandwidth | 29 MHz typ |
The device can handle 400 mA continuous current at a 5 V supply.
It operates from –40 °C to +125 °C (automotive version).
Typical on‑resistance is 0.4 Ω across the full temperature range.