DS3695A - 多点 RS485/RS422 收发器

DS3695A是TI德州仪器公司的一款无产品，DS3695A是多点 RS485/RS422 收发器，本站介绍了DS3695A的封装应用图解、特点和优点、功能等，并给出了与DS3695A相关的TI元器件型号供参考。

DS3695A - 多点 RS485/RS422 收发器 - 无 - RS-485收发器 - 德州仪器

产品描述

The DS3695A and DS3696A are high speed differential TRI-STATE bus/line transceivers designed to meet the requirements of EIA standard RS485 with extended common mode range (+12V to −7V), for multipoint data transmission. In addition they are compatible with requirements of RS-422.

The driver and receiver outputs feature TRI-STATE capability. The driver outputs remain in over the entire common mode range of +12V to −7V. Bus faults that cause excessive power dissipation within the device trigger a thermal shutdown circuit, which forces the driver outputs into the high impedance state. The DS3696A provides an output pin (TS) which reports the thermal shutdown of the device. TS is an “open collector” pin with an internal 10 kΩ pull-up resistor. This allows the TS outputs of several devices to be wire OR-ed.

Both AC and DC specifications are guaranteed over the 0°C to 70°C temperature and 4.75V to 5.25V supply voltage range.

产品特性

Meets EIA Standard RS485 for Multipoint Bus Transmission and is Compatible with RS-422
10 Ns Driver Propagation Delays (Typical)
Single +5V Supply
−7V to +12V Bus Common Mode Range Permits ±7V Ground Difference between Devices on the Bus
Thermal Shutdown Protection
High Impedance to Bus with Driver in TRI-STATE or with Power Off, over the Entire Common Mode Range Allows the Unused Devices on the Bus to be Powered Down
Combined Impedance of a Driver Output and Receiver Input is less than One RS485 Unit Load, Allowing up to 32 Transceivers on the Bus
70 mV Typical Receiver Hysteresis
Available in SOIC Packaging

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