Overview
The SN75175DR2, produced by onsemi (originally from Texas Instruments), is a monolithic quadruple differential line receiver with 3-state outputs. This component is designed to meet the requirements of various ANSI standards, including EIA/TIA-422-B, RS-423-B, and RS-485, as well as several ITU recommendations such as V.10, V.11, X.26, and X.27. It is optimized for balanced multipoint bus transmission in noisy environments and is suitable for applications requiring high reliability and noise immunity.
Key Specifications
| Specification | Value |
|---|---|
| Package | 16-SOIC (0.154", 3.90mm Width) |
| Operating Temperature Range | 0°C to 70°C |
| Voltage - Supply | 4.75 V ~ 5.25 V |
| Mounting Type | Surface Mount |
| Protocol | RS422, RS423, RS485 |
| Number of Drivers/Receivers | 0/4 |
| Receiver Hysteresis | 50 mV |
| Common-mode Input Voltage Range | −12 V to 12 V |
| Input Sensitivity | ±200 mV |
| Input Impedance | 12 kΩ minimum |
Key Features
- Meets or exceeds the requirements of ANSI standards EIA/TIA-422-B, RS-423-B, and RS-485, and several ITU recommendations.
- Designed for multipoint bus transmission on long bus lines in noisy environments.
- 3-state outputs.
- High input impedance: 12 kΩ minimum.
- Input hysteresis: 50 mV typical for increased noise immunity.
- Input sensitivity: ±200 mV over a common-mode input voltage range of ±12 V.
- Operates from a single 5-V supply.
- Low-power requirements.
- Plug-in replacement for MC3486.
Applications
- Industrial automation and control systems.
- Field transmitters: temperature sensors and pressure sensors.
- Motor drives: brushless DC and brushed DC.
- Chemical and gas sensors.
- Temperature sensors and controllers using Modbus or other serial communication protocols.
Q & A
- What is the SN75175DR2 used for? The SN75175DR2 is used as a quadruple differential line receiver in applications requiring balanced multipoint bus transmission, such as industrial automation, field transmitters, and motor drives.
- What standards does the SN75175DR2 comply with? The SN75175DR2 meets or exceeds the requirements of ANSI standards EIA/TIA-422-B, RS-423-B, and RS-485, as well as several ITU recommendations.
- What is the operating temperature range of the SN75175DR2? The operating temperature range of the SN75175DR2 is from 0°C to 70°C.
- What is the supply voltage range for the SN75175DR2? The supply voltage range for the SN75175DR2 is from 4.75 V to 5.25 V.
- What is the common-mode input voltage range of the SN75175DR2? The common-mode input voltage range of the SN75175DR2 is from −12 V to 12 V.
- Does the SN75175DR2 have 3-state outputs? Yes, the SN75175DR2 has 3-state outputs.
- What is the input hysteresis of the SN75175DR2? The input hysteresis of the SN75175DR2 is 50 mV typical.
- Can the SN75175DR2 be used in noisy environments? Yes, the SN75175DR2 is designed for use in noisy environments with high input impedance and input hysteresis for increased noise immunity.
- Is the SN75175DR2 a surface mount device? Yes, the SN75175DR2 is a surface mount device in a 16-SOIC package.
- What protocols does the SN75175DR2 support? The SN75175DR2 supports RS422, RS423, and RS485 protocols.
