DS3695 - 多点 RS-485/RS-422 收发器

DS3695是TI德州仪器公司的一款无产品，DS3695是多点 RS-485/RS-422 收发器，本站介绍了DS3695的封装应用图解、特点和优点、功能等，并给出了与DS3695相关的TI元器件型号供参考。

DS3695 - 多点 RS-485/RS-422 收发器 - 无 - RS-485收发器 - 德州仪器

产品描述

The DS3695, DS3696, and DS3697 are high speed differential TRI-STATE bus/line transceivers/repeaters designed to meet the requirements of EIA standard RS485 with extended common mode range (+12V to −7V), for multipoint data transmission.

The driver and receiver outputs feature TRI-STATE capability. The driver outputs remain in TRI-STATE 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 DS3696 provides an output pin TS (thermal shutdown) which reports the occurrence of the thermal shutdown of the device. This is an “open collector” pin with an internal 10 kΩ pull-up resistor. This allows the line fault outputs of several devices to be wire OR-ed.

Both AC and DC specifications are specified 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
15 ns Driver Propagation Delays with 2ns Skew (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

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