SN75107B - 双路线路接收器

SN75107B是TI德州仪器公司的一款其它线电路产品，SN75107B是双路线路接收器，本站介绍了SN75107B的封装应用图解、特点和优点、功能等，并给出了与SN75107B相关的TI元器件型号供参考。

SN75107B - 双路线路接收器 - 其它线电路 - 其它接口 - 德州仪器

产品描述

These circuits are TTL-compatible, high-speed line receivers. Each is a monolithic dual circuit featuring two independent channels. They are designed for general use, as well as for such specific applications as data comparators and balanced, unbalanced, and party-line transmission systems. These devices are unilaterally interchangeable with and are replacements for the SN55107, SN75107, and SN75108, but offer diode-clamped strobe inputs to simplify circuit design.

The essential difference between the A and B versions can be seen in the schematics. Input-protection diodes are in series with the collectors of the differential-input transistors of the B versions. These diodes are useful in certain party-line systems that have multiple VCC+ power supplies and can be operated with some of the VCC+ supplies turned off. In such a system, if a supply is turned off and allowed to go to ground, the equivalent input circuit connected to that supply would be as follows:

This would be a problem in specific systems that might have the transmission lines biased to some potential greater than 1.4 V.

The SN55107A is characterized for operation over the full military temperature range of -55°C to 125°C. The SN75107A, SN75107B, and SN75108A are characterized for operation from 0°C to 70°C.

H = high level, L = low level, X = irrelevant

产品特性

High Speed
Standard Supply Voltage
Dual Channels
High Common-Mode Rejection Ratio
High Input Impedance
High Input Sensitivity
Differential Common-Mode Input Voltage Range of ±3 V
Strobe Inputs for Receiver Selection
Gate Inputs for Logic Versatility
TTL Drive Capability
High dc Noise Margin
Totem-Pole Outputs
B Version Has Diode-Protected Input for Power-Off Condition

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