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GENERAL DESCRIPTION

The ADN4690E/ADN4692E/ADN4694E/ADN4695E are multipoint, low voltage differential signaling (M-LVDS) transceivers (driver and receiver pairs) that can operate at up to 100 Mbps (50 MHz). Slew rate control is implemented on the driver outputs. The receivers detect the bus state with a differential input of as little as 50 mV over a common-mode voltage range of ?1 V to +3.4 V. ESD protection of up to ±15 kV is implemented on the bus pins. The parts adhere to the TIA/EIA-899 standard for M-LVDS and complement TIA/EIA-644 LVDS devices with additional multipoint capabilities.

FEATURES

Multipoint LVDS transceivers (low voltage differential signaling driver and receiver pairs)

Switching rate: 100 Mbps (50 MHz)

Supported bus loads: 30 ? to 55 ?

Choice of 2 receiver types

Type 1 (ADN4690E/ADN4692E): hysteresis of 25 mV

Type 2 (ADN4694E/ADN4695E): threshold offset of 100 mV for open-circuit and bus-idle fail-safe

Conforms to TIA/EIA-899 standard for M-LVDS

Glitch-free power-up/power-down on M-LVDS bus

Controlled transition times on driver output

Common-mode range: ?1 V to +3.4 V, allowing communication with 2 V of ground noise

Driver outputs high-Z when disabled or powered off

Enhanced ESD protection on bus pins

±15 kV HBM (human body model), air discharge

±8 kV HBM (human body model), contact discharge

±10 kV IEC 61000-4-2, air discharge

±8 kV IEC 61000-4-2, contact discharge

Operating temperature range: ?40°C to +85°C

Available in 8-lead (ADN4690E/ADN4694E) and 14-lead (ADN4692E/ADN4695E) SOIC packages

APPLICATIONS

Backplane and cable multipoint data transmission

Multipoint clock distribution

Low power, high speed alternative to shorter RS-485 links

Networking and wireless base station infrastructure