Overview
The SN75ALS173N is a monolithic quadruple differential line receiver produced by Texas Instruments. This device is designed to meet the requirements of various industry standards, including ANSI EIA/TIA-422-B, EIA/TIA-423-B, RS-485, and several ITU recommendations. It features advanced low-power Schottky technology, enabling high-speed operation without significant power consumption. The device is characterized for operation from 0°C to 70°C and is available in PDIP and SOP packages.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 4.75 | 5 | 5.25 | V |
| Common-mode Input Voltage (VIC) | -12 | 12 | V | |
| Differential Input Voltage (VID) | -12 | 12 | V | |
| High-level Input Voltage (VIH) | 2 | V | ||
| Low-level Input Voltage (VIL) | 0.8 | V | ||
| High-level Output Current (IOH) | -400 | μA | ||
| Low-level Output Current (IOL) | 8 | mA | ||
| Operating Free-air Temperature (TA) | 0 | 70 | °C | |
| Propagation Delay Time (tPHL, tPLH) | 9 | 18 | 27 | ns |
| Input Sensitivity | ±200 | mV | ||
| Input Hysteresis | 50 | mV | ||
| Input Impedance | 12 | kΩ |
Key Features
- Meets or exceeds the requirements of ANSI EIA/TIA-422-B, EIA/TIA-423-B, RS-485, and several ITU recommendations.
- Designed for multipoint bus transmission on long bus lines in noisy environments.
- 3-State Outputs.
- Common-mode input voltage range of –12 V to 12 V.
- Input sensitivity: ±200 mV.
- Input hysteresis: 50 mV typical.
- High input impedance: 12 kΩ minimum.
- Operates from a single 5-V supply.
- Low supply-current requirement: 27 mA maximum.
Applications
- Motor drives.
- Factory automation and control.
Q & A
- What are the primary standards that the SN75ALS173N complies with? The SN75ALS173N meets or exceeds the requirements of ANSI EIA/TIA-422-B, EIA/TIA-423-B, RS-485, and several ITU recommendations.
- What is the operating temperature range of the SN75ALS173N? The device is characterized for operation from 0°C to 70°C.
- What is the common-mode input voltage range of the SN75ALS173N? The common-mode input voltage range is –12 V to 12 V.
- What is the input sensitivity of the SN75ALS173N? The input sensitivity is ±200 mV.
- What is the typical input hysteresis of the SN75ALS173N? The typical input hysteresis is 50 mV.
- What is the minimum input impedance of the SN75ALS173N? The minimum input impedance is 12 kΩ.
- What is the supply voltage range for the SN75ALS173N? The supply voltage range is 4.75 V to 5.25 V.
- What is the maximum supply current of the SN75ALS173N? The maximum supply current is 27 mA.
- What are the typical propagation delay times for the SN75ALS173N? The typical propagation delay times (tPHL, tPLH) are 18 ns.
- In what packages is the SN75ALS173N available? The device is available in PDIP (N) and SOP (NS) packages.
