Overview
The AM26C32QDR, manufactured by Texas Instruments, is a quadruple differential line receiver designed for balanced or unbalanced digital data transmission. This device meets or exceeds the requirements of ANSI TIA/EIA-422-B, TIA/EIA-423-B, and ITU recommendations V.10 and V.11. It is particularly suited for high-reliability applications, including automotive, factory automation, and industrial control systems. The AM26C32QDR operates from a single 5-V supply and features 3-state outputs, input fail-safe circuitry, and low power consumption, making it an efficient and reliable component for various communication systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Voltage Range | 4.5 to 5.5 | V |
| Operating Temperature Range | -40 to +85 | °C |
| Data Rate | Up to 20 | Mbps |
| Propagation Delay | 17 | ns |
| Supply Current | 10 | mA |
| Common-Mode Range | ±7 V | |
| Differential Input Sensitivity | ±200 mV | |
| Input Hysteresis | 60 mV | |
| Output Current | ±25 | mA |
| Storage Temperature | -65 to 150 | °C |
Key Features
- Quad differential line receiver supporting four differential inputs
- High-speed operation with data rates up to 20 Mbps
- ESD protection to enhance robustness
- Wide operating voltage range of 4.5V to 5.5V
- Low propagation delay of 17 ns typical
- Operates from a single 5-V supply
- 3-State outputs for direct connection to bus-organized systems
- Input fail-safe circuitry ensuring outputs are high if inputs are open
- Improved replacements for AM26LS32 devices
- Available in Q-temp automotive grade
Applications
- Communication systems, including RS-422/RS-423 interfaces and networking equipment
- Data acquisition systems for translating differential signals to TTL/CMOS levels
- Industrial automation for connecting sensors, controllers, and actuators over long distances
- Test and measurement equipment for signal conditioning and data transfer
- Telecommunications applications, such as data transmission equipment and modems
- High-reliability automotive applications, factory automation, ATM and cash counters, smart grid, and AC and servo motor drives
Q & A
- What are the main features of the AM26C32QDR?
The AM26C32QDR features quad reception, high-speed operation, ESD protection, a wide operating voltage range, and low propagation delay. - How does the AM26C32QDR compare to other line receivers?
The AM26C32QDR stands out for its high-speed operation, ESD protection, and quad reception capability, making it suitable for applications requiring multiple channels and robust performance. - Can the AM26C32QDR be used in data acquisition systems?
Yes, it is commonly used in data acquisition systems for translating differential signals to TTL/CMOS levels, ensuring accurate data transmission and reception. - What considerations should be taken when using the AM26C32QDR in communication systems?
Considerations include ensuring proper power supply, using good PCB layout practices, and placing bypass capacitors close to the power-supply pins to reduce errors. - What is the operating temperature range of the AM26C32QDR?
The operating temperature range is -40°C to +85°C. - What is the typical propagation delay of the AM26C32QDR?
The typical propagation delay is 17 ns. - Does the AM26C32QDR have ESD protection?
Yes, it has ESD protection to enhance robustness. - What is the supply current of the AM26C32QDR?
The typical supply current is 10 mA. - Can the AM26C32QDR be used in industrial automation?
Yes, it is utilized for connecting sensors, controllers, and actuators over long distances in industrial automation applications. - What package options are available for the AM26C32QDR?
The AM26C32QDR is available in various packages including SOIC, PDIP, SO, TSSOP, CDIP, and CFP.
