Overview
The LMH0384SQ/NOPB, manufactured by Texas Instruments, is a high-definition (HD) and standard-definition (SD) Serial Digital Interface (SDI) extended reach and configurable adaptive cable equalizer. This device is designed to enhance signal integrity over long cable lengths, making it a crucial component in various video and data transmission applications. It operates within a range of data rates from 125 Mbps to 2.97 Gbps, supporting multiple SMPTE standards such as ST 424, ST 292, ST 344, and ST 259.
Key Specifications
| Description | Specification |
|---|---|
| Package | 16-WQFN Exposed Pad |
| Interface | SPI Serial |
| Voltage - Supply | 3.135 V ~ 3.465 V |
| Mounting Type | Surface Mount |
| Maximum Operating Temperature | -40°C to +85°C |
| Maximum Storage Temperature | -40°C to +150°C |
| Maximum Power Dissipation | Typically 350 mW |
| Process Technology | Not specified |
Key Features
- Supports data rates from 125 Mbps to 2.97 Gbps, compliant with SMPTE standards ST 424, ST 292, ST 344, and ST 259.
- Equalizes up to 140 meters of Belden 1694A cable at 2.97 Gbps, up to 200 meters at 1.485 Gbps, and up to 400 meters at 270 Mbps.
- Optional SPI register access for configuring features such as output common-mode voltage, swing, and launch amplitude optimization.
- Auto sleep mode to power down the device when no input signal is detected, reducing power consumption to 35 mW in power save mode.
- Internally terminated 100-Ω LVDS outputs and separate carrier detect and output mute pins.
- Single 3.3-V supply operation and footprint compatibility with the LMH0344, LMH0044, and LMH0074 in pin mode.
Applications
The LMH0384SQ/NOPB is widely used in various high-speed data transmission and video processing applications, including:
- Professional video cameras and broadcast video equipment.
- High-speed data acquisition systems.
- Closed-circuit television (CCTV) cameras and medical imaging equipment.
- Test and measurement instruments.
Q & A
- What is the primary function of the LMH0384SQ/NOPB? The LMH0384SQ/NOPB is a HD/SD SDI extended reach and configurable adaptive cable equalizer, designed to enhance signal integrity over long cable lengths.
- What are the supported data rates for the LMH0384SQ/NOPB? It supports data rates from 125 Mbps to 2.97 Gbps.
- Which SMPTE standards does the LMH0384SQ/NOPB comply with? It complies with SMPTE standards ST 424, ST 292, ST 344, and ST 259.
- What is the maximum cable length the LMH0384SQ/NOPB can equalize? It can equalize up to 140 meters of Belden 1694A cable at 2.97 Gbps, up to 200 meters at 1.485 Gbps, and up to 400 meters at 270 Mbps.
- Does the LMH0384SQ/NOPB support SPI mode? Yes, it supports optional SPI register access for configuring various features.
- What is the power consumption in power save mode? The power consumption is typically 35 mW in power save mode.
- What is the operating temperature range of the LMH0384SQ/NOPB? The operating temperature range is -40°C to +85°C.
- What package type does the LMH0384SQ/NOPB come in? It comes in a 16-WQFN Exposed Pad package.
- Is the LMH0384SQ/NOPB RoHS compliant? Yes, it is RoHS compliant.
- What are some common applications of the LMH0384SQ/NOPB? It is used in professional video cameras, broadcast video equipment, high-speed data acquisition systems, CCTV cameras, and medical imaging equipment.
