ADuM4166 Overview
The ADuM4165/ADuM41661 are USB 2.0 port isolators, utilizing Analog Devices, Inc., iCoupler® technology to dynamically support all USB 2.0 data rates; low (1.5 Mbps), full (12 Mbps), or high (480 Mbps), as required. The devices support host isolation with automatic speed negotiation as well as peripheral isolation.
ADuM4166 Key Features
- USB 2.0 signaling with automatic detection of low, full, and high speed connections
- 1.5 Mbps, 12 Mbps, and 480 Mbps data rates
- Bidirectional USB isolator for upstream or downstream ports
- Redriving and high speed data retiming for input jitter removal and an open eye
- Flexible clock input options
- 4.5 V to 5.5 V VBUSx or 3 V to 3.6 V operation on each side
- 21 mA typical idle, low or full speed mode supply current
- 48 mA typical idle, high speed mode supply current
- Ultra low power standby in USB 2.0 suspend (L2) or disconnect
- 1.7 mA typical low power standby, upstream supply current