3.3V Low Power Half-Duplex RS-485 Transceiver
August 5, 2021
SP3485
3.3V Low Power Half-Duplex RS-485 Transceiver with 10Mbps Data Rate
Description
The SP3485 devic...
Description
August 5, 2021
SP3485
3.3V Low Power Half-Duplex RS-485 Transceiver with 10Mbps Data Rate
Description
The SP3485 device is a 3.3V low power half-duplex transceiver that meets the specifications of the RS-485 and RS-422 serial protocols. This device is pin-to-pin compatible with the MaxLinear SP481, SP483 and SP485 devices as well as popular industry standards. The SP3485 can meet the electrical specifications of the RS-485 and RS422 serial protocols up to 10Mbps under load.
FEATURES ■■ RS-485 and RS-422 transceiver ■■ Operates from a single 3.3V supply ■■ Interoperable with 5.0V logic ■■ Driver/receiver enable ■■ -7V to +12V common-mode input voltage
range ■■ Allows up to 32 transceivers on the serial
bus ■■ Compatibility with industry standard 75176
pinout ■■ Driver output short-circuit protection
Ordering Information - Back Page
Block Diagram
RO 1 RE 2 DE 3 DI 4
R
8 VCC
7B
6A
D
5 GND
SP3485
216DSR00
1
Rev. 2.0.2
SP3485
Absolute Maximum Ratings
These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.
VCC................................................................................ 6.0V Input Voltages
Logic...................................... -0.3V to 6.0V
Drivers................................... -0.3V to 6.0V
Receivers......
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