Manufacturer Part Number
SN65HVD22P
Manufacturer
Texas Instruments
Introduction
The SN65HVD22P is an RS422/RS485 transceiver designed for high-speed bidirectional data communication on multipoint bus transmission lines.
Product Features and Performance
Half-duplex RS422/RS485 transceiver
Data transfer rates up to 500 kbps
Integrated failsafe receiver ensures a logic-high output when inputs are floating
Thermal shutdown protection
Low-power shutdown mode
Differential voltage output and input thresholds for noise immunity
Product Advantages
Robust signaling rates for distance and noise immunity
Low supply current requirement for energy efficiency
Wide operating temperature range suitable for industrial environments
Failsafe receiver enables a known state on inactive buses
Key Technical Parameters
Single transceiver configuration (1 Driver/1 Receiver)
130 mV receiver hysteresis for noise rejection
5V to 5.5V voltage supply range
Operating temperature from -40°C to 85°C
Through-hole mounting for secure connections
8-DIP package suitable for prototyping and production
Quality and Safety Features
Over-temperature protection
Thermal shutdown
Compatibility
Compatible with industry-standard RS422 and RS485 protocols
Interoperable with various microcontrollers and processors
Application Areas
Industrial control systems
Building automation
Networked security cameras
Data acquisition systems
Product Lifecycle
Active product status
Not indicated as nearing discontinuation
Several Key Reasons to Choose This Product
Optimized for industrial applications requiring high voltage isolation
Texas Instruments' reputation for reliable and robust interfaces
Long-term availability with active product lifecycle
Wide common-mode range enabling use in electrically noisy environments
Ease of integration with various existing systems
Support and resources are readily available from Texas Instruments