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LMH0046MH/NOPB
HD/SD SDI Reclocker with Dual Differential Outputs
LMH0046
www.ti.com SNLS222F–APRIL 2006–REVISED APRIL 2013
LMH0046 HD/SD SDI Reclocker With Dual Differential Outputs
Checkfor Samples: LMH0046
1FEATURES DESCRIPTIONThe LMH0046 HD/SD SDI Reclocker retimes serial
Supports SMPTE 292M and SMPTE 259M digital video data conformingto the SMPTE 292M
(A&C) Serial Digital Video Standards and SMPTE 259M(A&C) standards. The LMH0046
• Supports 143 Mbps, 270 Mbps, 1.483 Gbps, operatesat serial data ratesof 143 Mbps, 270 Mbps,
and 1.485 Gbps Serial Data Rate Operation 1.483 Gbps and 1.485 Gbps. The LMH0046 supports
DVB-ASI operationat 270 Mbps.
• Supports DVB-ASIat 270 Mbps Single 3.3V Supply Operation The LMH0046 automatically detects the incoming
data rate and adjusts itselfto retime the incoming
• 330 mW Typical Power Consumption datato suppress accumulated jitter. The LMH0046
• Two Differential, Reclocked Outputs recovers the serial data-rate clock and optionally
• Choiceof Second Reclocked Outputor Low- providesit as an output. The LMH0046 has two
Jitter, Differential, Data-Rate Clock Output differential serial data outputs; the second output may selected asa low-jitter, data-rate clock output.
• Single27 MHz External Crystalor Reference Controls and indicators are: serial clockor second
Clock Input serial data output select, manual rate select input,
• Manual Rate Select Input SD/HD rate indicator output, lock detect output,
SD/HD Operating Rate Indicator Output auto/manual data bypass and output mute. The serial
data inputs, outputs, and serial data-rate clock
• Lock Detect Indicator Output outputs are differential LVPECL compatible. The CML
• Output Mute Function for Data and Clock serial data and serial data-rate clock outputs are
• Auto/Manual Reclocker Bypass suitable for driving 100Ω differentially terminated
networks. The control logic inputs and outputs are
• Differential LVPECL Compatible Serial DataLVCMOS compatible.
Inputs and Outputs LVCMOS Control Inputs and Indicator Outputs The LMH0046is powered froma single 3.3V supply.
Power dissipationis typically 330 mW. The deviceis
• 20-Pin HTSSOP Package housedina 20-pin HTSSOP package.
• Industrial Temperature Range: -40°Cto +85°C
APPLICATIONS SDTV/HDTV Serial Digital Video Interfaces For: and Switchers and Editing
