TI LMH0366

April 11, 2012
LMH0366
3 Gbps HD/SD SDI Low Power Reclocker with Integrated
Eye Monitor
General Description
Features
The LMH0366 3 Gbps HD/SD SDI Low Power Reclocker with
Integrated Eye Monitor retimes serial digital video data conforming to the SMPTE 424M, SMPTE 292M, and SMPTE
259M-C standards. The reclocker operates at serial data
rates of 125 Mbps, 270 Mbps, 1.4835 Gbps, 1.485 Gbps,
2.967 Gbps, and 2.97 Gbps.
The LMH0366 automatically detects the incoming data rate
and retimes the data to suppress accumulated jitter. The reclocker recovers the serial data-rate clock and optionally
provides it as an output.
The LMH0366 input has an FR4 equalizer capable of equalizing 0-60” of FR4 trace length, and also includes signal
detection with a programmable threshold.
The LMH0366 has two differential serial data outputs and offers flexibility in selecting the output signals between the
reclocked data, recovered clock, or bypassed data. The output drivers offer programmable de-emphasis for up to 40” of
FR4 trace losses, in addition to programmable common mode
voltage and swing for flexible interfacing.
The LMH0366 provides a 64 x 64 point eye monitor for analyzing the eye quality of the incoming signal.
The LMH0366 supports two modes of operation. In pin mode,
the LMH0366 operates with control pins to set its operating
state. In SPI mode, an optional SPI serial interface can be
used to configure and monitor multiple LMH0366 devices in
a daisy-chain configuration.
■ SMPTE 424M, SMPTE 292M, and SMPTE 259M-C
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compliant
Supports 125 Mbps, 270 Mbps, 1.4835 Gbps, 1.485 Gbps,
2.967 Gbps, and 2.97 Gbps serial data rate operation
Supports DVB-ASI at 270 Mbps and MADI at 125 Mbps
100 mW typical power consumption (145 mW with both
output drivers enabled)
Input equalization (0-60” FR4) and input signal detection
Two differential, reclocked outputs with option of
recovered clock
Output de-emphasis to compensate for up to 40” of FR4
trace losses
64 x 64 point eye opening monitor
27 MHz external reference or referenceless operation
Optional SPI register access
Internally terminated 100Ω input with rail-to-rail input
common mode voltage
Internally terminated 100Ω LVDS outputs with
programmable output common mode voltage and swing
Single 2.5V supply operation
Power save mode with device power down control
24-pin LLP package (4 x 4 mm)
Industrial temperature range: -40°C to +85°C
Applications
■ SMPTE 424M, SMPTE 292M, and SMPTE 259M serial
digital interfaces
■ Broadcast video routers, switchers, and distribution
amplifiers
Typical Application
30173601
© 2012 Texas Instruments Incorporated
301736 SNAS585
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LMH0366 3 Gbps HD/SD SDI Low Power Reclocker with Integrated Eye Monitor
PRELIMINARY
LMH0366
Physical Dimensions inches (millimeters) unless otherwise noted
24-Pin LLP
Order Number LMH0366SQ
Package Number SQA24A
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2
LMH0366
Notes
3
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LMH0366 3 Gbps HD/SD SDI Low Power Reclocker with Integrated Eye Monitor
Notes
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