Overview
The LMH0002SQE is a high-speed serial digital cable driver designed by Texas Instruments (formerly National Semiconductor). This monolithic device is specifically tailored 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.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Supply Voltage (VCC - VEE) | 3.3V ±5% | V |
| Operating Temperature Range | -40°C to +85°C | °C |
| Power Consumption (SD Mode) | 125 mW | mW |
| Power Consumption (HD Mode) | 149 mW | mW |
| Data Rates | Up to 1.485 Gbps | Gbps |
| Output Voltage Swing (Single-ended, 75Ω load) | 750 - 850 mVp-p (RREF = 750Ω) | mVp-p |
| Package Type | 16-pin WQFN | |
| ESD Rating (HBM) | 5 kV | kV |
| ESD Rating (MM) | 250 V | V |
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 16-pin WQFN package
- Form-fit-function compatible with Gennum GS1578A
Applications
- Digital routers and switches
- Distribution amplifiers
- Buffer applications
- Set top boxes
- Security cameras
- Professional video equipment
Q & A
- What is the operating temperature range of the LMH0002SQE?
The operating temperature range is -40°C to +85°C.
- What are the typical power consumption values for the LMH0002SQE in SD and HD modes?
The typical power consumption is 125 mW in SD mode and 149 mW in HD mode.
- What is the maximum data rate supported by the LMH0002SQE?
The LMH0002SQE supports data rates up to 1.485 Gbps.
- How is the output voltage swing adjusted in the LMH0002SQE?
The output voltage swing is adjustable via a single external resistor connected between the RREF pin and VCC.
- What are the package options available for the LMH0002SQE?
The LMH0002SQE is available in a 16-pin WQFN package.
- Is the LMH0002SQE compatible with other devices?
Yes, it is form-fit-function compatible with the Gennum GS1578A.
- What are the ESD ratings for the LMH0002SQE?
The ESD ratings are 5 kV (HBM) and 250 V (MM).
- What is the typical output voltage swing for the LMH0002SQE?
The typical output voltage swing is 750 - 850 mVp-p into a 75Ω load with RREF = 750Ω.
- Can the LMH0002SQE handle differential inputs?
Yes, the LMH0002SQE accepts differential inputs and provides differential outputs.
- What are some common applications of the LMH0002SQE?
Common applications include digital routers and switches, distribution amplifiers, buffer applications, set top boxes, and security cameras.
