SP337E Overview
Key Specifications
Package: TSSOP
Mount Type: Surface Mount
Pins: 28
Operating Voltage: 3.3 V
Description
The SP337E is a dual mode serial transceiver containing both RS-232 and RS-485/422 line drivers and receivers. The RS-232 mode provides three drivers and five receivers to support all eight signals commonly used in the DB9 serial port connector (3TX/5RX).
Key Features
- two independent high speed RS-485/422 transmit and receive channels (2TX/2RX)
- The SP337E is pin compatible to Exar’s SP334
- The SP337EB features a maximum data rate of 250kbps in RS-232 mode and a maximum data rate of 15Mbps in RS-485
- However, the SP337EU features a maximum data rate of 1Mbps in RS-232 mode and a maximum data rate of 15Mbps in RS-485 mode
- The Exar-patented high efficiency charge pumps (5,306,954) deliver true RS-2
