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GENERAL DESCRIPTION

The ADN4668 is a quad-channel CMOS, low voltage differential signaling (LVDS) line receiver offering data rates of over 400 Mbps (200 MHz) and ultralow power consumption. It features a flow-through pin configuration for easy PCB layout and separation of input and output signals.

The device accepts low voltage (310 mV typical) differential input signals and converts them to a single-ended, 3 V TTL/CMOS logic level.

The ADN4668 also offers active-high and active-low enable/disable inputs (EN and EN) that control all four receivers. They disable the receivers and switch the outputs to a high impedance state.

This high impedance state allows the outputs of one or more ADN4668s to be multiplexed together and reduces the quies-cent power consumption to 3 mW typical.

The ADN4668 and its companion driver, the ADN4667, offer a new solution to high speed, point-to-point data transmission and a low power alternative to emitter-coupled logic (ECL) or positive emitter-coupled logic (PECL).

FEATURES

±15 kV ESD protection on receiver input pins

400 Mbps (200 MHz) switching rates

Flow-through pin configuration simplifies PCB layout

150 ps channel-to-channel skew (typical)

100 ps differential skew (typical)

2.7 ns maximum propagation delay

3.3 V power supply

High impedance outputs on power-down

Low power design (3 mW quiescent typical)

Interoperable with existing 5 V LVDS drivers

Accepts small swing (310 mV typical) differential input signal levels

Supports open, short, and terminated input fail-safe

0 V to ?100 mV threshold region

Conforms to TIA/EIA-644 LVDS standard

Industrial operating temperature range of ?40°C to +85°C

Available in 16-lead surface-mount SOIC and 16-lead low profile TSSOP package

APPLICATIONS

Point-to-point data transmission

Multidrop buses

Clock distribution networks

Backplane receivers