Overview
The LMH0395SQX/NOPB, produced by Texas Instruments, is a 3-Gbps HD/SD SDI Dual Output Low Power Extended Reach Adaptive Cable Equalizer. This device is designed to equalize data transmitted over cable or any media with similar dispersive loss characteristics, supporting a wide range of data rates from 125 Mbps to 2.97 Gbps. It is particularly suited for applications requiring extended cable reach with improved immunity to crosstalk and ultra-low power consumption.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC - VEE) | 2.375 | 2.5 | 2.625 | V |
| Operating Temperature Range | -40 | 25 | +85 | °C |
| Input Data Rates | 125 Mbps | - | 2.97 Gbps | - |
| Differential Output Voltage (VOD) | 250 | 350 | 450 | mV |
| Offset Voltage (VOS) | 1.1 | 1.2 | 1.35 | V |
| Supply Current (Normal Operation, Dual Outputs) | 55 | 78 | - | mA |
| Supply Current (Power-Save Mode) | 7 | 10 | - | mA |
| Package Type | - | - | 24-Pin WQFN | - |
Key Features
- Supports ST 424, ST 292, ST 344, ST 259, and DVB-ASI standards
- Extended cable reach with improved immunity to crosstalk
- Ultra-low power consumption, with power management to reduce power in no-input signal conditions
- Two differential serial data outputs, independently enabled and controlled
- Programmable de-emphasis for up to 40 inches of FR4 trace losses
- Optional SPI serial interface for configuration and daisy-chain operation
- Active sensing circuitry for robust performance and enhanced immunity to variations in input signal launch amplitude
- Single 2.5-V supply operation
- Industrial temperature range: -40°C to +85°C
Applications
- Broadcast video routers, switchers, and distribution amplifiers
- Serial digital interfaces (ST 424, ST 292, ST 344, ST 259)
- DVB-ASI applications
Q & A
- What is the primary function of the LMH0395SQX/NOPB?
The primary function of the LMH0395SQX/NOPB is to equalize data transmitted over cable or any media with similar dispersive loss characteristics, supporting HD/SD SDI applications.
- What are the supported data rates for the LMH0395SQX/NOPB?
The device supports data rates from 125 Mbps to 2.97 Gbps.
- What are the key standards supported by the LMH0395SQX/NOPB?
The device supports ST 424, ST 292, ST 344, ST 259, and DVB-ASI standards.
- How does the LMH0395SQX/NOPB manage power consumption?
The device features power management to reduce power consumption when no input signal is present, operating in a power-save mode.
- What is the package type of the LMH0395SQX/NOPB?
The device is packaged in a 24-Pin WQFN package.
- Can the LMH0395SQX/NOPB be configured via SPI?
Yes, the device supports an optional SPI serial interface for configuration and daisy-chain operation.
- What is the operating temperature range of the LMH0395SQX/NOPB?
The device operates over an industrial temperature range of -40°C to +85°C.
- How many output drivers does the LMH0395SQX/NOPB have?
The device has two differential serial data output drivers, which can be independently enabled and controlled.
- What is the purpose of the programmable de-emphasis feature?
The programmable de-emphasis feature is used to compensate for FR4 board trace losses, up to 40 inches.
- How does the LMH0395SQX/NOPB handle variations in input signal launch amplitude?
The device includes active sensing circuitry that enhances immunity to variations in the input signal launch amplitude.
