The SN75176BP is a high-performance differential bus transceiver designed for reliable serial communication over long twisted-pair cables in noisy industrial environments. It integrates both a line driver and a line receiver in a single 8-pin package, allowing full bidirectional data communication using RS-485 and RS-422 standards.
This device supports multipoint communication where multiple devices can share the same communication bus, making it ideal for distributed control systems. It features tri-state outputs, independent driver and receiver enable pins, and built-in protection against thermal overload and line faults. With its wide common-mode voltage tolerance and high noise immunity, the SN75176BP ensures stable data transmission even in electrically harsh environments.
Features:
Bidirectional differential transceiver.
Supports RS-485 and RS-422 communication standards.
High noise immunity for industrial environments.
Tri-state driver and receiver outputs.
Independent driver and receiver enable control.
Built-in thermal shutdown protection.
Line fault current limiting.
Designed for multipoint bus communication.
Single-supply operation.
Specifications:
Attribute
Value
Supply Voltage (Vcc):
5V
Operating Temperature Range:
0°C to 70°C
Driver Output Current:
-60mA
Receiver Input Sensitivity:
-400mV
Receiver Input Hysteresis:
50mV
Receiver Input Resistance (min):
12kΩ
Common-Mode Input Voltage Range:
-7V to +12V
Driver Output Voltage Differential:
±1.5V (min) into 54Ω load
Input Voltage Thresholds (VIH):
2V (high-level input)
Input Voltage Thresholds (VIL):
0.8V (low-level input)
Thermal Shutdown:
Yes
Driver Current Limiting:
Yes
Package Type:
DIP-8
Pinout:
Pin
Name
Function
1
R
Receiver Data Output
2
RE
Receiver Enable (Active Low)
3
DE
Driver Enable (Active High)
4
D
Driver Data Input
5
GND
Ground
6
A
Differential Line A
7
B
Differential Line B
8
VCC
+5V Supply
Footprint:
Applications:
Industrial automation networks.
PLC communication systems.
Smart meters and weighing scales.
Motor control systems.
Digital signage communication.
HMI interfaces.
Remote sensors and data acquisition systems.
Telecom equipment.
RS-485 based Arduino & microcontroller projects.
Packages:
1x SN75176BP Differential Bus Transceiver 5V 60mA IC DIP-8.