Overview
The AM26C32QDG4, produced by Texas Instruments, is a quadruple differential line receiver designed for balanced or unbalanced digital data transmission. This device is compliant with ANSI TIA/EIA-422-B, TIA/EIA-423-B, and ITU recommendations V.10 and V.11, making it suitable for a wide range of applications requiring reliable and high-integrity signal transmission.
The AM26C32QDG4 operates from a single 5-V supply and features low power consumption, with a typical quiescent supply current of 10 mA. It is manufactured using a BiCMOS process, combining the high voltage and current capabilities of bipolar transistors with the low power consumption of CMOS technology.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| VCC Supply Voltage | 0 | - | 7 | V |
| Input Voltage (A or B inputs) | -11 | - | 14 | V |
| Differential Input Voltage | -14 | - | 14 | V |
| Output Voltage | -0.5 | - | VCC + 0.5 | V |
| Output Current | -25 | - | 25 | mA |
| Propagation Delay Time (tPLH, tPHL) | 9 | 17 | 27 | ns |
| Common-Mode Range | -7 | - | 7 | V |
| Input Hysteresis | - | 60 | - | mV |
| Quiescent Supply Current (ICC) | - | 10 | 15 | mA |
Key Features
- Meets or exceeds the requirements of ANSI TIA/EIA-422-B, TIA/EIA-423-B, and ITU recommendations V.10 and V.11.
- Low power consumption with ICC = 10 mA typical.
- ±7-V common-mode range with ±200-mV sensitivity.
- Input hysteresis: 60 mV typical.
- Propagation delay time (tPLH, tPHL): 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.
- Enable function common to all four receivers with active-high or active-low input options.
Applications
- High-reliability automotive applications.
- Factory automation.
- ATM and cash counters.
- Smart grid systems.
- AC and servo motor drives.
Q & A
- What are the primary standards that the AM26C32QDG4 complies with?
The AM26C32QDG4 complies with ANSI TIA/EIA-422-B, TIA/EIA-423-B, and ITU recommendations V.10 and V.11.
- What is the typical quiescent supply current of the AM26C32QDG4?
The typical quiescent supply current is 10 mA.
- What is the common-mode range of the AM26C32QDG4?
The common-mode range is ±7 V with ±200-mV sensitivity.
- What is the propagation delay time of the AM26C32QDG4?
The propagation delay time (tPLH, tPHL) is 17 ns typical.
- Does the AM26C32QDG4 operate from a single supply voltage?
- What type of outputs does the AM26C32QDG4 have?
The device has 3-State outputs.
- What is the purpose of the input fail-safe circuitry in the AM26C32QDG4?
The input fail-safe circuitry ensures that the outputs are always high if the inputs are open.
- Can the enable function of the AM26C32QDG4 be configured?
- What are some common applications of the AM26C32QDG4?
- How should the power supply be configured for the AM26C32QDG4?
