Overview
The AM26C31CDR, produced by Texas Instruments, is a quadruple differential line driver designed to meet the requirements of TIA/EIA-422-B and ITU Recommendation V.11. This device features complementary outputs and is optimized for driving balanced lines such as twisted-pair or parallel-wire transmission lines. It operates from a single 5V supply and is known for its low power consumption and high speed. The AM26C31CDR is an improved replacement for the AM26LS31 device and is available in various temperature ranges, making it suitable for a wide range of applications, including automotive, military, and industrial environments.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | -0.5 | 7 | V | |
| VI Input Voltage | -0.5 | VCC + 0.5 | V | |
| VID Differential Input Voltage | -14 | 14 | V | |
| VO Output Voltage | -0.5 | 7 | V | |
| ICC Quiescent Supply Current | 100 μA | A | ||
| tPLH Propagation Delay Time (Low to High) | 3 | 7 | 12 | ns |
| tPHL Propagation Delay Time (High to Low) | 3 | 7 | 12 | ns |
| tsk(p) Pulse Distortion | 0.5 | ns | ||
| |VOD| Differential Output Voltage Magnitude | 2 | 3.1 | V | |
| VOC Common-Mode Output Voltage | 3 | V |
Key Features
- Meets or exceeds the requirements of TIA/EIA-422-B and ITU Recommendation V.11.
- Low power consumption, ICC = 100 μA typical.
- Operates from a single 5V supply.
- High speed, tPLH = tPHL = 7 ns typical.
- Low pulse distortion, tsk(p) = 0.5 ns typical.
- High output impedance in power-off conditions.
- Available in various temperature ranges: 0°C to 70°C, -40°C to +85°C, -40°C to +125°C (automotive), and -55°C to +125°C (military).
- BiCMOS circuitry reduces power consumption without sacrificing speed.
- Improved replacement for AM26LS31 device.
Applications
- Chemical and gas sensors.
- Field transmitters: temperature sensors and pressure sensors.
- Military: radars and sonars.
- Motor control: brushless DC and brushed DC.
- Military and avionics imaging.
- Temperature sensors and controllers using Modbus.
Q & A
- What are the primary standards that the AM26C31CDR complies with? The AM26C31CDR meets or exceeds the requirements of TIA/EIA-422-B and ITU Recommendation V.11.
- What is the typical quiescent supply current of the AM26C31CDR? The typical quiescent supply current is 100 μA.
- What is the operating supply voltage range for the AM26C31CDR? The device operates from a single 5V supply.
- What are the propagation delay times for the AM26C31CDR? The propagation delay times (tPLH and tPHL) are typically 7 ns.
- What is the pulse distortion specification for the AM26C31CDR? The pulse distortion (tsk(p)) is typically 0.5 ns.
- What are the temperature ranges available for the AM26C31CDR? The device is available in temperature ranges of 0°C to 70°C, -40°C to +85°C, -40°C to +125°C (automotive), and -55°C to +125°C (military).
- What types of applications is the AM26C31CDR suitable for? It is suitable for chemical and gas sensors, field transmitters, military applications, motor control, and avionics imaging, among others.
- Does the AM26C31CDR have high output impedance in power-off conditions? Yes, the device has high output impedance in power-off conditions.
- Is the AM26C31CDR an improved replacement for any other device? Yes, it is an improved replacement for the AM26LS31 device.
- What type of circuitry is used in the AM26C31CDR to reduce power consumption? The device uses BiCMOS circuitry to reduce power consumption without sacrificing speed.
