供应LMH0346MH 视频IC

制造商编号：LMH0346MH/NOPB

说明：视频 IC 3 GBPS HD/SD SDI RECLOCKER

描述

The LMH0346 3 Gbps HD/SD SDI Reclocker retimes serial digital video data conforming to the SMPTE 424M, SMPTE 292M, and SMPTE 259M (C) standards. The LMH0346 operates at serial data rates of 270 Mbps, 1.483 Gbps, 1.485 Gbps, 2.967 Gbps, and 2.97 Gbps. The LMH0346 supports DVB-ASI operation at 270 Mbps.

The LMH0346 automatically detects the incoming data rate and adjusts itself to retime the incoming data to suppress accumulated jitter. The LMH0346 recovers the serial data-rate clock and optionally provides it as an output. The LMH0346 has two differential serial data outputs; the second output may be selected as a low-jitter, data-rate clock output. Controls and indicators are: serial clock or second serial data output select, manual rate select input, SD/HD rate indicator output, lock detect output, auto/manual data bypass and output mute. The serial data inputs, outputs, and serial clock outputs are differential LVPECL compatible. The CML serial data and serial clock outputs are suitable for driving 100Ω differentially terminated networks. The control logic inputs and outputs are LVCMOS compatible.

The LMH0346 is powered from a single 3.3V supply. Power dissipation is typically 370 mW.

The device is available in two space-saving packages: a 6.5 X 4.4 mm 20-pin HTSSOP and an even more space–efficient 5 X 4 mm 24-pin WQFN package.

特性

Supports SMPTE 424M, SMPTE 292M, and SMPTE 259M (C) Serial Digital Video StandardsSupports 270 Mbps, 1.483 Gbps, 1.485 Gbps, 2.967 Gbps, and 2.97 Gbps Serial Data Rate OperationSupports DVB-ASI at 270 MbpsSingle 3.3V Supply Operation370 mW Typical Power ConsumptionTwo Differential, Reclocked OutputsChoice of Second Reclocked Output or Low-Jitter, Differential, Data-Rate Clock OutputSingle 27 MHz External Crystal or Reference Clock InputManual or Automatic Rate Select InputSD/HD Operating Rate Indicator OutputLock Detect Indicator OutputOutput Mute Function for Data and ClockAuto/Manual Reclocker BypassDifferential LVPECL Compatible Serial Data Inputs and OutputsLVCMOS Control Inputs and Indicator Outputs20-Pin HTSSOP or 24-Pin WQFN PackageIndustrial Temperature Range: -40°C to +85°CFootprint Compatible With the LMH0046 and LMH0026 (HTSSOP Package)

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