Overview
The LMH0002SQ/S250 is a high-speed serial digital cable driver designed by Texas Instruments, compatible with SMPTE 292M, SMPTE 344M, and SMPTE 259M standards. This component is particularly suited for serial digital video and ITU-T G.703 serial digital data transmission applications. It is available in a 16-pin WQFN package and is form-fit-function compatible with the Gennum GS1578A.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Supply Voltage (VCC - VEE) | 3.15 | 3.3 | 3.45 | V | |
| Operating Temperature Range | -40 | 85 | °C | ||
| Input Voltage Swing (Differential) | 100 | 2000 | mVp-p | ||
| Output Voltage Swing (Single-ended, 75Ω load) | RREF = 750Ω | 750 | 800 | 850 | mVp-p |
| Output Voltage Swing (Single-ended, 75Ω load) | RREF = 590Ω | 900 | 1000 | 1100 | mVp-p |
| Power Consumption (SD Mode) | 125 | mW | |||
| Power Consumption (HD Mode) | 149 | mW | |||
| Package Type | 16-pin WQFN |
Key Features
- SMPTE 292M, SMPTE 344M, and SMPTE 259M compliant
- Supports DVB-ASI at 270 Mbps
- Data rates up to 1.485 Gbps
- Differential input and 75Ω differential output
- Selectable slew rate for SMPTE 259M and SMPTE 292M compliance
- Adjustable output amplitude via external resistor
- Single 3.3V supply operation
- Available in 8-pin SOIC and 16-pin WQFN packages
Applications
- Digital routers and switches
- Distribution amplifiers
- Buffer applications
- Set top boxes
- Security cameras
- Sonet/SDH and ATM interfaces
Q & A
- What are the primary standards that the LMH0002SQ/S250 complies with?
The LMH0002SQ/S250 complies with SMPTE 292M, SMPTE 344M, and SMPTE 259M standards.
- What is the maximum data rate supported by the LMH0002SQ/S250?
The LMH0002SQ/S250 supports data rates up to 1.485 Gbps.
- What types of input and output do the LMH0002SQ/S250 support?
The LMH0002SQ/S250 supports differential input and 75Ω differential output.
- How is the output voltage swing adjusted on the LMH0002SQ/S250?
The output voltage swing is adjustable via a single external resistor connected to the RREF pin.
- What is the operating voltage of the LMH0002SQ/S250?
The LMH0002SQ/S250 operates on a single 3.3V supply.
- What are the typical power consumption values for the LMH0002SQ/S250 in SD and HD modes?
The typical power consumption is 125 mW in SD mode and 149 mW in HD mode.
- In what package types is the LMH0002SQ/S250 available?
The LMH0002SQ/S250 is available in 8-pin SOIC and 16-pin WQFN packages.
- What is the operating temperature range for the LMH0002SQ/S250?
The operating temperature range is -40°C to +85°C for the LMH0002TMA and LMH0002SQ models.
- Is the LMH0002SQ/S250 form-fit-function compatible with any other components?
Yes, the LMH0002SQ/S250 is form-fit-function compatible with the Gennum GS1578A.
- What are some common applications of the LMH0002SQ/S250?
Common applications include digital routers and switches, distribution amplifiers, buffer applications, set top boxes, and security cameras.
