PRELIMINARY
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 con-
forming 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.
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
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Supports DVB-ASI at 270 Mbps and MADI at 125 Mbps
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100 mW typical power consumption (145 mW with both
output drivers enabled)
The LMH0366 automatically detects the incoming data rate
and retimes the data to suppress accumulated jitter. The re-
clocker recovers the serial data-rate clock and optionally
provides it as an output.
Input equalization (0-60” FR4) and input signal detection
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Two differential, reclocked outputs with option of
recovered clock
The LMH0366 input has an FR4 equalizer capable of equal-
izing 0-60” of FR4 trace length, and also includes signal
detection with a programmable threshold.
Output de-emphasis to compensate for up to 40” of FR4
trace losses
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64 x 64 point eye opening monitor
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The LMH0366 has two differential serial data outputs and of-
fers flexibility in selecting the output signals between the
reclocked data, recovered clock, or bypassed data. The out-
put 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.
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
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The LMH0366 provides a 64 x 64 point eye monitor for ana-
lyzing the eye quality of the incoming signal.
Single 2.5V supply operation
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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.
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
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Broadcast video routers, switchers, and distribution
amplifiers
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Typical Application
30173601
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