LM2902M

• SMPTE 424M, SMPTE 292M, SMPTE 344M and SMPTE 259M standards
• 2.97 Gbps data rate
• Supports DVB-ASI at 270 Mbps
• Cable detection output
• Signal loss detection input
• The output control drive drops
• Typical power consumption: 230 mW and in SD mode 275 milliwatts In HD mode
• Typical power consumption in power-saving mode: 4 mW
• 3.3V single supply supply
• Differential input
• Dual complementary 75Ω outputs
• Selectable conversion rate
• Industrial temperature range: -40°C to +85°C
• 16-pin LLP or 25-ball microarray packages

illustrate

The LMH0307 3 Gbps HD/SD SDI dual output cable driver with cable detection is designed for SMPTE 424M, SMPTE 292M, SMPTE 344M and SMPTE 259M serial digital video applications. LMH0307 implements two complementary output drivers and driver 75Ω transmission lines (Belden 1694A, Belden 8281 or similar) with data rates up to 2.97 Gbps.

The LMH0307 includes intelligent sensing functions to improve the system's diagnostics. This cable detection feature detects proximal terminations to determine if the cable is properly connected to the output BNC. Input Signal Loss (LOS) detects the presence of a valid signal at the cable driver input. These sensing functions can be used to alert the user to system failures and activate deep energy-saving modes, reducing the power consumption of the cable driver by 4 milliwatts. These features can all be accessed through the SMBus interface.

LMH0307 offers two SMPTE 259M and SMPTE 424M/292M with selectable conversion rates. The output amplitude is adjusted at 5 ± 10 mV steps via SMBus%.

LMH0307 uses a single 3.3V power supply. Power consumption is typically between 230 mW in SD mode and 275 mW in HD mode. LMH0307 are available in two space-saving packages: a 4× 4 mm 16-pin LLP or even a more space-saving 3 x 3 mm 25-ball microarray package.

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• SMPTE 424M, SMPTE 292M, SMPTE 344M, and SMPTE 259M serial digital interfaces
• Digital video routers and switches
• Distribution amplifier