Details

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BUY SN75176BDR(5pcs) https://www.utsource.net/itm/p/12600150.html

Parameter	Value
Device	SN75176BDR
Quantity	5 pcs
Package Type	DIP-8
Operating Voltage (Vcc)	4.75 V to 5.25 V
Data Rate	Up to 2.5 Mbps
Driver Output Current	卤150 mA
Receiver Input Impedance	12 k惟 (Typical)
Operating Temperature	-40掳C to 85掳C
Storage Temperature	-65掳C to 150掳C
ESD Protection	卤15 kV (Air Discharge)
Supply Current	350 渭A (Typical)
Driver Output Level	卤2.0 V (Minimum)
Receiver Input Level	卤200 mV (Minimum)
Pin Configuration	DE, RE, A, B, Y, Z, Vcc, GND

Instructions for Use:

1. Power Supply:

   • Connect the Vcc pin to a 4.75 V to 5.25 V power supply.
   • Connect the GND pin to the ground.

2. Signal Lines:

   • Connect the A and B pins to the differential data lines of the RS-485/422 network.
   • Connect the Y and Z pins to the differential outputs of the driver.
   • Connect the DE (Driver Enable) and RE (Receiver Enable) pins to control the direction of data transmission.

3. Enable Control:

   • To enable the driver (transmit mode), set DE high and RE low.
   • To enable the receiver (receive mode), set DE low and RE high.
   • For tri-state mode (high impedance), set both DE and RE low.

4. Termination:

   • Use 120 惟 termination resistors at both ends of the bus to prevent signal reflections.

5. Data Transmission:

   • Ensure that the data rate does not exceed 2.5 Mbps to maintain signal integrity.
   • Use appropriate line drivers and receivers for longer distances or higher noise environments.

6. Handling Precautions:

   • Handle the device with care to avoid ESD damage.
   • Store the device in a dry, cool place within the specified storage temperature range.

7. Testing:

   • Before integrating into a system, test the device on a breadboard or evaluation board to ensure proper functionality.

8. Compliance:

   • Ensure that the device is used in compliance with all relevant safety and regulatory standards.

(For reference only)