National Semiconductor LMH0002 SMPTE 292M 259M Serial Digital Cable Driver
Summary
The LMH0002 is a high-speed, monolithic cable driver designed for reliable SMPTE 292M / 259M serial digital video and data transmission up to 1.485 Gbps. This manual provides detailed specifications, electrical characteristics, and integration guidelines for compliant operation. It is essential equipment for broadcast professionals, telecom engineers, and system builders utilizing applications such as digital routers, set-top boxes, security cameras, and high-capacity Sonet/SDH interfaces requiring stable, professional-grade signal integrity.
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LM TE 292M /259M erial D igital C able river
LMH0002 SMPTE 292M 259M Serial Digital Cable Driver General Description Features
The LMH0002 SMPTE 292M 259M serial digital cable SMPTE 292M, SMPTE 344M and SMPTE 259M driver is monolithic, high-speed cable driver designed for compliant use in SMPTE 292M 259M serial digital video and ITU-T Data rates to 1.485 Gbps
G.703 serial digital data transmission applications. The Differential input LMH0002 drives 75Ω transmission lines (Belden 8281,
75Ω differential output
Belden 1694A or equivalent) at data rates up to 1.485 Gbps.
Selectable slew rate
The LMH0002 provides two selectable slew rates for
Adjustable output amplitude
SMPTE 259M and SMPTE 292M compliance. The output
Single 3.3V supply operation
voltage swing is adjustable via single external resistor.
Operating temperature range: Commercial 0˚C to +70˚C
The LMH0002 is powered from single 3.3V supply. Power
(LMH0002MA) or Industrial −40˚C to +85˚C
consumption is typically 125m W in SD mode and 149m W in
(LMH0002TMA)
HD mode.
Typical power consumption: 125m W in SD mode and 149m W in HD mode Replaces the GS1528 and GS1528A
Applications SMPTE 292M, SMPTE 344M, and SMPTE 259M serial digital interfaces Sonet/SDH and ATM interfaces Digital routers and switches Distribution amplifiers Buffer applications Set boxes Security cameras
Typical Application
National Semiconductor Corporation DS201761 www.national.com
Page Summary Contents For National Semiconductor LMH0002 SMPTE 292M 259M Serial Digital Cable Driver
Manual Details
| Brand | National |
|---|---|
| Pages | 5 |
| File Size | 450.02 KB |
| Published | June 17, 2026 |
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Frequently Asked Questions
What data rates can the LMH0002 handle?
It handles serial digital video and ITU-T data rates up to 1.485 Gbps.
How does the output voltage swing work?
The single V supply allows adjustment of the voltage swing using one external resistor for adjustable amplitude and SMPTE compliance.
Are there different operating temperature ranges available?
Yes, LMH0002MA operates 0˚C to +70˚C, while LMH0002TMA handles -40˚C to +85˚C.
What type of input signals does the driver accept?
The device accepts either differential or single-ended inputs and can handle simple AC or DC coupling.