SN65MLVD048RGZR.B中文资料德州仪器数据手册PDF规格书

1 Features

• Low-voltage differential 30Ω to 55Ω line receivers

for signaling rates1 up to 250Mbps; Clock

Frequencies up to 125MHz

• Type-1 receiver incorporates 25mV of input

threshold hysteresis

• Type-2 receiver provides 100mV offset threshold to

detect open-circuit and idle-bus conditions

• Wide receiver input common-mode voltage range,

–1V to 3.4V, allows 2V of ground noise

• Meets or exceeds the M-LVDS standard TIA/

EIA-899 for multipoint topology

• High input impedance when Vcc ≤ 1.5V

• Enhanced ESD Protection: 7kV HBM on all pins

• 48-Pin 7 X 7 QFN (RGZ)

2 Applications

• Parallel multipoint data and clock transmission via

backplanes and cables

• Cellular base stations

• Central office switches

• Network switches and routers

3 Description

The SN65MLVD048 is a quad-channel M-LVDS

receiver. This device is designed in full compliance

with the TIA/EIA-899 (M-LVDS) standard, which

is optimized to operate at signaling rates up to

250Mbps. Each receiver channel is controlled by

a receive enable ( RE). When RE = low, the

corresponding channel is enabled; when RE = high,

the corresponding channel is disabled.

The M-LVDS standard defines two types of receivers,

designated as Type-1 and Type-2. Type-1 receivers

have thresholds centered about zero with 25mV of

hysteresis to prevent output oscillations with loss

of input; Type-2 receivers implement a failsafe by

using an offset threshold. Receiver outputs are slew

rate controlled to reduce EMI and crosstalk effects

associated with large current surges.

The devices are characterized for operation from –

40°C to 85°C.