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XR3160：RS-232/RS-485/RS-422 Transceiver with 15KV ESD Protection
The XR3160 is an advanced multiprotocol transceiver supporting RS-232, RS-485, and RS-422 serial standards. Full operation requires only four external charge pump capacitors.
The RS-485/RS-232 pin selects RS-485 mode when high and RS-232 mode when low. The HALF/FULL pin configures the RS-485 modes as either half or full duplex.
The high speed drivers operate up to 20Mbps in RS-485/422 modes, and up to 1Mbps in RS-232 mode. All drivers can be slew limited to 250kbps in any mode to minimize electromagnetic interference (EMI) by setting the dedicated SLEW pin low.
All transmitter outputs and receiver inputs feature robust electrostatic discharge (ESD) protection to ±15kV IEC 61000-4-2 Airgap, ±15kV Human Body Model (HBM) and ±8kV IEC 61000-4-2 Contact. Each receiver output has full fail-safe protection to avoid system lockup, oscillation, or indeterminate states by defaulting to logic-high output level when the inputs are open, shorted, or terminated but undriven. No external biasing resistors are required.
The RS-232 receiver inputs include a 5kΩ pull-down to ground when in RS-232 mode. The RS-485/422 receiver inputs are high impedance (>96kΩ), allowing up to 256 devices on a single communication bus (1/8th unit load).
The XR3160 operates from a single power supply, 3V to 5.5V, with low idle current. The shutdown mode consumes less than 1µA in low power standby operation with RS-232 receivers enabled.
技术特性
Pin Compatible Upgrade for MAX3160 (20 SSOP)
IEC Level 4 ESD Protection
±15kV IEC 61000-4-2 Air Gap Discharge
± 8kV IEC 61000-4-2 Contact Discharge
±15kV Human Body Model (HBM)
±15kV IEC 61000-4-2 Air Gap Discharge
± 8kV IEC 61000-4-2 Contact Discharge
±15kV Human Body Model (HBM)
20Mbps RS-485 and 1Mbps RS-232 Data Rates
Pin-Selectable 250kbps Slew Limiting
Single Supply Operation from +3V to +5.5V
2 Drivers, 2 Receivers RS-232/V.28
1 Driver, 1 Receiver RS-485/422
Full or Half Duplex Configuration
1/8th Unit Load, up to 256 receivers on bus
Full or Half Duplex Configuration
1/8th Unit Load, up to 256 receivers on bus
RS-485/422 Enhanced Receiver Fail-safe for open, shorted, or terminated but idle inputs
10nA Shutdown Supply Current (typical)
数据手册S
XR3160 Datasheet
产品应用
Software Programmable Serial Ports (RS-232, RS-422, RS-485)
Embedded and Industrial PCs (IPC)
Process Control Equipment
Point-Of-Sales Equipment
Networking Equipment
HVAC Controls Equipment
Building Security and Automation
规格 参数
发送器数量(Tx) 2/1
接收器数量(Rx) 2/1
数据传输速率(kbps) 250/1M/20M
电源电压Vcc(V) 3.0 to 5.5
Typ.集成元件电路(mA) 2.5
静电放电ESD(KV) 15
支持协议 RS-232, RS-485, RS-422
订购型号
器件型号 封装编码 最低温度 最高温度 状态
XR3160ECU-F SSOP-20 0 70 Active
XR3160ECUTR-F SSOP-20 0 70 Active
XR3160EIU-F SSOP-20 -40 85 Active
XR3160EIUTR-F SSOP-20 -40 85 Active
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