DS3680 - 四路电话中继驱动器

DS3680是TI德州仪器公司的一款外围驱动器和传动器产品，DS3680是四路电话中继驱动器，本站介绍了DS3680的封装应用图解、特点和优点、功能等，并给出了与DS3680相关的TI元器件型号供参考。

DS3680 - 四路电话中继驱动器 - 外围驱动器和传动器 - 其它接口 - 德州仪器

产品描述

The DS3680 telephone relay driver is a monolithic integrated circuit designed to interface -48-V relay systems to TTL or other systems in telephone applications. It is capable of sourcing up to 50 mA from standard -52-V battery power. To reduce the effects of noise and IR drop between logic ground and battery ground, these drivers are designed to operate with a common-mode input range of ±20 V referenced to battery ground. The common-mode input voltages for the four drivers can be different, so a wide range of input elements can be accommodated. The high-impedance inputs are compatible with positive TTL and CMOS levels or negative logic levels. A clamp network is included in the driver outputs to limit high-voltage transients generated by the relay coil during switching. The complementary inputs ensure that the driver output is off as a fail-safe condition when either output is open.

The DS3680 is characterized for operation from 0°C to 70°C.

产品特性

Designed for -52-V Battery Operation
50-mA Output Current Capability
Input Compatible With TTL and CMOS
High Common-Mode Input Voltage Range
Very Low Input Current
Fail-Safe Disconnect Feature
Built-in Output Clamp Diode
Direct Replacement for National DS3680 and Fairchild uA3680

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