The LMH0303SQX/NOPB device is designed for use in ST 424, ST 292, ST 344, and ST 259 serial digital video applications. The LMH0303SQX/NOPB drives 75-Ω transmission lines (Belden 1694A, Belden 8281, or equivalent) at data rates up to 2.97 Gbps.
The LMH0303SQX/NOPB includes intelligent sensing capabilities to improve system diagnostics. The cable detect feature senses near-end termination to determine if a cable is correctly attached to the output BNC. Input loss of signal (LOS) detects the presence of a valid signal at the input of the cable driver. These sensing features may be used to alert the user of a system fault and activate a deep power-save mode, reducing the power consumption of the cable driver to 4 mW. These features are accessible through an SMBus interface.
The LMH0303SQX/NOPB provides two selectable slew rates for ST 259 and ST 424 or 292. The output amplitude is adjustable ±10% in 5-mV steps through the SMBus.
The LMH0303SQX/NOPB is powered from a single 3.3-V supply. Power consumption is typically 130 mW in SD mode and 155 mW in HD mode. The LMH0303SQX/NOPB is available in a 16-pin WQFN package.
TYPE | DESCRIPTION | Select all |
---|---|---|
Package | Bulk | |
Supplier Device Package | 16-WQFN (4x4) | |
Package / Case | 16-WQFN Exposed Pad | |
Mounting Type | Surface Mount | |
Voltage - Supply | 3.13V ~ 3.46V | |
Control Interface | Serial | |
Standards | DVB-ASI, SMPTE | |
Applications | Professional Video | |
Function | Driver | |
Product Status | Active |
Texas Instruments
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