SN75LBC179AP

低功耗差动线路驱动器和接收器对 LOW-POWER DIFFERENTIAL LINE DRIVER AND RECEIVER PAIRS

The is a low-power differential Line Driver and Receiver designed for bidirectional data communication over long cables that take on the characteristics of transmission lines. It is balanced or differential, voltage mode devices that are compatible with ANSI standard A/EIA-485-A and ISO 8482:1987E. The A version offers improved switching performance over its predecessors without sacrificing significantly more power. It combines a differential line driver and differential input line receiver and operate from a single 5V supply. The driver differential outputs and the receiver differential inputs are connected to separate terminals for full-duplex operation and are designed to present minimum loading to the bus when powered off VCC=0. These parts feature a wide positive and negative common-mode voltage range making them suitable for point-to-point or multipoint data bus applications.

.

Positive and negative output current limiting

.

Thermal shutdown protection

.

Bus-pin ESD protection exceeds 12kV HBM

.

30Mbps Maximum signalling rate

.

700µA Maximum very low disabled supply-current

.

-7 to 12V Common-mode voltage range

.

15mA Maximum low supply current