L9637屬于集成電路（IC）的驅(qū)動(dòng)器接收器收發(fā)器。由意法半導(dǎo)體集團(tuán)制造生產(chǎn)的L9637驅(qū)動(dòng)器，接收器，收發(fā)器該系列產(chǎn)品的主要功能是提供必需的硬件資源，以通過(guò)延長(zhǎng)電纜或印制線進(jìn)行通信。確切的功能會(huì)因所采用的通信協(xié)議而異，可能包括諸如瞬態(tài)抑制之類的功能，這些功能對(duì)于通信用途可能并非絕對(duì)必要，但對(duì)于可能的使用環(huán)境卻是明智之選。

Description

The L9637 is a monolithic integrated circuit containing standard ISO 9141 compatible interface functions.

Features

■ Operating power supply voltage range

4.5 V ≤ VS ≤ 36 V (40 V for transients)

■ Reverse supply (battery) protected down to

VS ≥ -24 V

■ Standby mode with very low current

consumption ISSB ≤ 1 mA @ VCC ≤ 0.5 V

■ Low quiescent current in off condition

ISOFF = 120 μA

■ TTL compatible TX input

■ Bidirectional K-I/O pin with supply voltage

dependent input threshold

■ Overtemperature shut down function Selective

to K-I/O pin

■ Wide input and output voltage range

-24 V ≤ VK ≤ VS

■ K output current limitation, typ. IK = 60 mA

■ Defined OFF output status in undervoltage

condition and VS or GND interruption

■ Controlled output slope for low EMI

■ High input impedance for open VS or GND

connection

■ Defined output ON status of LO or RX for open

LI or K inputs

■ Defined K output OFF for TX input open

■ Integrated pull up resistors for TX, RX and LO

■ EMI robustness optimized