Overview
The LMH0002SQE/NOPB is a high-speed serial digital cable driver produced by Texas Instruments. This monolithic device is designed for use in SMPTE 292M, SMPTE 344M, and SMPTE 259M serial digital video and ITU-T G.703 serial digital data transmission applications. It supports data rates up to 1.485 Gbps and is suitable for various video and data transmission systems.
The device operates from a single 3.3V supply and is available in an 8-pin SOIC or 16-pin WQFN package. It features adjustable output amplitude and selectable slew rates, making it compliant with both SMPTE 259M and SMPTE 292M standards.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Supply Voltage (VCC - VEE) | 3.0 | 3.3 | 3.6 | V |
| Operating Temperature Range | -40 | - | 85 | °C |
| Input Voltage Swing (Differential) | 100 | 2000 | - | mVp-p |
| Output Voltage Swing (Single-ended, 75Ω load) | 750 | 800 | 850 | mVp-p (RREF = 750Ω) |
| Power Consumption (SD Mode) | - | 125 | - | mW |
| Power Consumption (HD Mode) | - | 149 | - | mW |
| Data Rates | - | - | 1.485 | Gbps |
| Package Type | - | - | 16-pin WQFN | - |
Key Features
- SMPTE 292M, SMPTE 344M, and SMPTE 259M compliant serial digital interfaces
- Supports DVB-ASI at 270 Mbps and Sonet/SDH and ATM interfaces
- Differential input and 75Ω differential output
- Selectable slew rate for SMPTE 259M and SMPTE 292M compliance
- Adjustable output amplitude via a single external resistor
- Single 3.3V supply operation
- Available in 8-pin SOIC or 16-pin WQFN packages
- Form-fit-function compatible with Gennum GS1528, GS1528A, and GS1578A
Applications
- Digital routers and switches
- Distribution amplifiers
- Buffer applications
- Set top boxes
- Security cameras
- Video transmission systems
- ITU-T G.703 serial digital data transmission
Q & A
- What are the primary standards that the LMH0002SQE/NOPB complies with?
The LMH0002SQE/NOPB complies with SMPTE 292M, SMPTE 344M, and SMPTE 259M standards.
- What is the maximum data rate supported by the LMH0002SQE/NOPB?
The device supports data rates up to 1.485 Gbps.
- How is the output voltage swing adjusted on the LMH0002SQE/NOPB?
The output voltage swing is adjustable via a single external resistor connected between the RREF pin and VCC.
- What are the available package types for the LMH0002SQE/NOPB?
The device is available in 8-pin SOIC and 16-pin WQFN packages.
- What is the operating supply voltage for the LMH0002SQE/NOPB?
The device operates from a single 3.3V supply.
- What is the typical power consumption of the LMH0002SQE/NOPB in SD and HD modes?
The typical power consumption is 125 mW in SD mode and 149 mW in HD mode.
- Is the LMH0002SQE/NOPB compatible with other existing devices?
Yes, it is form-fit-function compatible with Gennum GS1528, GS1528A, and GS1578A.
- What are some common applications of the LMH0002SQE/NOPB?
Common applications include digital routers and switches, distribution amplifiers, buffer applications, set top boxes, and security cameras.
- How is the slew rate controlled on the LMH0002SQE/NOPB?
The slew rate is controlled via the SD/HD pin, allowing for compliance with either SMPTE 259M or SMPTE 292M standards.
- What is the operating temperature range for the LMH0002SQE/NOPB?
The operating temperature range is from -40°C to +85°C.
