Overview
The LMH1982SQE/NOPB is a high-performance, dual-channel, 3G/HD/SD video sync separator and clock generator manufactured by Texas Instruments. This IC is designed to extract synchronization signals from analog video signals and generate precise clock signals for video processing applications. It is widely used in broadcast, professional video, and high-end consumer electronics. The LMH1982SQE/NOPB stands out for its ability to handle multiple video standards, its low jitter performance, and its robust design, making it a competitive choice for demanding video applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 3.0 to 3.6 | V | |
| Operating Temperature | -40 to +85 | °C | |
| Package | WQFN-40 | ||
| Supported Standards | 3G/HD/SD-SDI, HDMI, DVI | ||
| Output Clock Frequency | Up to 148.5 | MHz | |
| Jitter Performance | < 50 | ps | RMS |
| Power Consumption | 300 | mW | Typical |
Key Features
- Dual-channel sync separator and clock generator for 3G/HD/SD video.
- Supports multiple video standards including 3G-SDI, HD-SDI, SD-SDI, HDMI, and DVI.
- Low jitter clock output for high-quality video processing.
- Robust design with ESD protection and wide operating temperature range.
- Compact WQFN-40 package for space-constrained applications.
Applications
The LMH1982SQE/NOPB is ideal for use in broadcast equipment, professional video production, and high-end consumer electronics. It is commonly employed in video routers, switchers, and processors, as well as in HDMI and DVI signal processing systems. Its ability to handle multiple video standards and deliver precise clock signals makes it a versatile solution for demanding video applications.
Q & A
1. What video standards does the LMH1982SQE/NOPB support?
The LMH1982SQE/NOPB supports 3G-SDI, HD-SDI, SD-SDI, HDMI, and DVI standards.
2. What is the operating voltage range of this IC?
The operating voltage range is 3.0V to 3.6V.
3. What is the typical power consumption of the LMH1982SQE/NOPB?
The typical power consumption is 300mW.
4. What is the jitter performance of the clock output?
The jitter performance is less than 50ps RMS.
5. What package does the LMH1982SQE/NOPB come in?
It comes in a WQFN-40 package.
6. What is the operating temperature range?
The operating temperature range is -40°C to +85°C.
7. Is the LMH1982SQE/NOPB suitable for broadcast equipment?
Yes, it is widely used in broadcast equipment for video signal processing.
8. Does this IC support HDMI and DVI?
Yes, it supports both HDMI and DVI standards.
9. What is the maximum clock frequency output?
The maximum clock frequency output is 148.5MHz.
10. Does the LMH1982SQE/NOPB have ESD protection?
Yes, it features ESD protection for robust performance.
