Overview
The AM26LS31CDRG4 is a quadruple complementary-output line driver produced by Texas Instruments. This device is designed to meet the requirements of ANSI TIA/EIA-422-B and ITU (formerly CCITT) Recommendation V.11. It features four 3-state differential line drivers that operate from a single 5V power supply, making it suitable for driving balanced lines such as twisted-pair or parallel-wire transmission lines.
The device includes low-power Schottky circuitry to reduce power consumption without compromising speed. It also offers high-current capability and high output impedance in power-off conditions, ensuring reliable performance in various applications.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Supply Voltage (VCC) | Operating voltage | 5 V |
| Operating Temperature Range | Temperature range for operation | 0°C to 70°C |
| Package Type | Type of package | SOIC (16 pins) |
| Output Current Capability | Minimum sink or source current | ±30 mA |
| Propagation Delay Time | Low- to high-level output delay | 14 ns to 20 ns |
| Input Current | Input current at maximum input voltage | 0.1 mA |
| Supply Current | Supply current with all outputs disabled | 32 mA to 80 mA |
Key Features
- Meets or exceeds the requirements of ANSI TIA/EIA-422-B and ITU (formerly CCITT) Recommendation V.11.
- Operates from a single 5V supply.
- TTL-Compatible inputs.
- Complementary outputs for differential signaling.
- High output impedance in power-off conditions.
- Complementary output-enable inputs (active-high and active-low enable).
- Available MIL-PRF-38535-qualified options.
- Low-power Schottky circuitry for reduced power consumption.
- Positive- and negative-current limiting for protection from line fault conditions.
Applications
- Motor encoders.
- Field transmitters: pressure sensors and temperature sensors.
- Military and avionics imaging.
- Temperature sensors or controllers using Modbus.
Q & A
- What are the primary standards that the AM26LS31CDRG4 complies with?
The AM26LS31CDRG4 meets or exceeds the requirements of ANSI TIA/EIA-422-B and ITU (formerly CCITT) Recommendation V.11.
- What is the operating voltage of the AM26LS31CDRG4?
The device operates from a single 5V power supply.
- What type of inputs does the AM26LS31CDRG4 support?
The device supports TTL-Compatible inputs.
- How many differential line drivers does the AM26LS31CDRG4 have?
The device features four 3-state differential line drivers.
- What is the significance of the high output impedance in power-off conditions?
The high output impedance in power-off conditions ensures that the outputs are in a high-impedance state, preventing unintended signal transmission.
- How are the transmitter outputs controlled in the AM26LS31CDRG4?
The transmitter outputs are controlled using complementary output-enable inputs (active-high and active-low enable).
- What kind of protection does the AM26LS31CDRG4 offer against line fault conditions?
The device features positive- and negative-current limiting for protection from line fault conditions.
- What is the minimum sink or source current capability of the AM26LS31CDRG4?
The device can handle loads of a minimum of ±30 mA of sink or source current.
- What is the typical propagation delay time for the AM26LS31CDRG4?
The propagation delay time is typically between 14 ns to 20 ns.
- What are some common applications of the AM26LS31CDRG4?
Common applications include motor encoders, field transmitters, military and avionics imaging, and temperature sensors or controllers using Modbus.
