Overview
The AM26LS32ACN is a quadruple differential line receiver produced by Texas Instruments. This device is designed for balanced and unbalanced digital data transmission and 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 useful for interfacing low-power or low-voltage microcontrollers with heavy machinery, subsystems, and other devices over long wires, ensuring reliable and easy-to-use connections.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 4.5 to 5.5 | V |
| Operating Temperature Range | 0 to 70 (AM26LS32AC), –40 to 85 (AM26LS32AI), –55 to 125 (AM26LS32AM) | °C |
| Common-Mode Input Voltage (VIC) | ±7 V (AM26LS32A), ±15 V (AM26LS33A) | V |
| Sensitivity | ±200 mV (AM26LS32A), ±500 mV (AM26LS33A) | mV |
| Input Hysteresis | 50 mV typical | mV |
| Input Impedance | 12 kΩ minimum | kΩ |
| High-Level Output Current (IOH) | –440 μA | μA |
| Low-Level Output Current (IOL) | 8 mA | mA |
| Package Type | PDIP (16), SOIC (16), SO (16), TSSOP (16), CDIP (16), LCCC (20) |
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.
- ±7-V common-mode range with ±200-mV sensitivity for AM26LS32A devices, and ±15-V common-mode range with ±500-mV sensitivity for AM26LS33A devices.
- Input hysteresis of 50 mV typical.
- Operates from a single 5-V supply.
- Low-power Schottky circuitry.
- 3-State outputs.
- Complementary output-enable inputs.
- Input impedance of 12 kΩ minimum.
- Open input fail-safe design ensures outputs are always high when inputs are open.
Applications
- High-reliability automotive applications.
- Factory automation.
- ATM and cash counters.
- Smart grids.
- AC and servo motor drives.
Q & A
- What are the primary standards that the AM26LS32ACN complies with?
The AM26LS32ACN complies with ANSI TIA/EIA-422-B, TIA/EIA-423-B, and ITU recommendations V.10 and V.11.
- What is the common-mode input voltage range for the AM26LS32A and AM26LS33A devices?
The AM26LS32A devices have a ±7-V common-mode range, while the AM26LS33A devices have a ±15-V common-mode range.
- What is the input hysteresis of the AM26LS32ACN?
The input hysteresis is 50 mV typical.
- What is the operating supply voltage for the AM26LS32ACN?
The device operates from a single 5-V supply.
- What type of circuitry does the AM26LS32ACN use?
The device uses low-power Schottky circuitry.
- What is the input impedance of the AM26LS32ACN?
The input impedance is 12 kΩ minimum.
- What happens to the outputs when the inputs are open?
The outputs are always high when the inputs are open due to the fail-safe design.
- What are the typical operating temperature ranges for different packages of the AM26LS32ACN?
The AM26LS32AC operates from 0°C to 70°C, the AM26LS32AI from –40°C to 85°C, and the AM26LS32AM from –55°C to 125°C.
- What are some common applications of the AM26LS32ACN?
Common applications include high-reliability automotive, factory automation, ATM and cash counters, smart grids, and AC and servo motor drives.
- What types of packages are available for the AM26LS32ACN?
The device is available in PDIP, SOIC, SO, TSSOP, CDIP, and LCCC packages.
