Overview
The AM26LS32A device, specifically the AM26LS32ACPWR, is a quadruple differential line receiver produced by Texas Instruments. This device is designed to meet or exceed the requirements of ANSI TIA/EIA-422-B, TIA/EIA-423-B, and ITU recommendations V.10 and V.11. It is optimized for balanced bus transmission and is particularly useful in applications requiring reliable and high-speed data transmission over long distances.
The AM26LS32A is part of the AM26LS32 family, which includes various package options such as SOIC, PDIP, SO, and TSSOP. The device operates from a single 5-V power supply and features low-power Schottky circuitry, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 5 | V |
| Operating Temperature Range | -40 to 85 | °C |
| Package Type | SOIC, PDIP, SO, TSSOP | - |
| Number of Pins | 16 | - |
| Common-mode Input Voltage Range | ±7 V | V |
| Input Sensitivity | ±200 mV | mV |
| Input Hysteresis | 50 mV | mV |
| Propagation Delay Time (Low-to-High) | 20-35 ns | ns |
| Propagation Delay Time (High-to-Low) | 22-35 ns | ns |
| Output Enable Time to High Level | 17-22 ns | ns |
| Output Disable Time from High Level | 21-30 ns | ns |
Key Features
- Meets or exceeds ANSI TIA/EIA-422-B, TIA/EIA-423-B, and ITU recommendations V.10 and V.11.
- Operates from a single 5-V power supply.
- Low-power Schottky circuitry for reduced power consumption.
- 3-State outputs for direct connection to bus-organized systems.
- Open input fail-safe to prevent unknown voltage signals at the receiver outputs.
- ±7-V common-mode input voltage range with ±200-mV sensitivity.
- Input hysteresis of 50 mV typical.
- Pin-to-pin compatible with AM26C32 and AM26LS32 devices.
- Supports high-reliability applications with robust ESD protection.
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 AM26LS32A complies with?
The AM26LS32A meets or exceeds ANSI TIA/EIA-422-B, TIA/EIA-423-B, and ITU recommendations V.10 and V.11.
- What is the operating voltage of the AM26LS32A?
The device operates from a single 5-V power supply.
- What is the common-mode input voltage range of the AM26LS32A?
The common-mode input voltage range is ±7 V with ±200-mV sensitivity.
- Does the AM26LS32A have built-in ESD protection?
Yes, the device has robust ESD protection, though specific details vary by model; the AM26LV32E, for example, has ±15-kV IEC ESD protection.
- What is the typical input hysteresis of the AM26LS32A?
The typical input hysteresis is 50 mV.
- Can the AM26LS32A be used in high-reliability automotive applications?
Yes, the device is suitable for high-reliability automotive applications.
- What are the available package types for the AM26LS32A?
The device is available in SOIC, PDIP, SO, and TSSOP packages.
- Does the AM26LS32A support partial-power-down mode operation?
Yes, the device supports partial-power-down mode operation using Ioff circuitry.
- What is the propagation delay time of the AM26LS32A?
The propagation delay time is between 20-35 ns for low-to-high and 22-35 ns for high-to-low transitions.
- Is the AM26LS32A pin-to-pin compatible with other Texas Instruments devices?
Yes, it is pin-to-pin compatible with AM26C32 and AM26LS32 devices.
