L9638 datasheet(1/14 Pages) STMICROELECTRONICS

部品番号	L9638

部品情報	LIN BUS TRANSCEIVER

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L9638

October 2004

1

FEATURES

■ Single-wire transceiver for LIN-protocol

■ Transmission rate up to 20 kbaud

■ Operating power supply voltage range 6V

≤ Vs

≤ 26V (40V for transients)

■ Low quiescent current in sleep mode (typ.10

µA)

■ Wake-up through LIN-bus, Enable input (from

µC CMOS compatible) or Wake-up input (edge

driven)

■ Wide input and output range -24V

≤ VLIN ≤ Vs

■ Integrated pull/down/up resistors for LIN, TxD,

RxD, EN, INH

■ Inhibit output with low resistance (<40

Ω) versus

Vs and short circuit protection

■ CMOS compatible TxD, RxD Interface

■ EMI robustness optimised

■ Thermal shutdown and LIN short circuit

protection

2

DESCRIPTION

The L9638 is a monolithic integrated circuit for

LIN-bus interface function between the protocol

handler in the controller and the physical bus in

automotive applications.

As well as it can be used in standard ISO 9141

systems.

SO-8

LIN BUS TRANSCEIVER

Figure 1. Block Diagram

VS

TxD

WUP

RxD

LIN

INH

EN

Internal

Voltage

Regulator

Int.5V

GND

Glitch

Filter

Glitch

Filter

VS_D

Control

Logic

Protection

VS_D

VS

TxD

WUP

RxD

LIN

INH

EN

Internal

Voltage

Regulator

Int.5V

GND

Glitch

Filter

VS

TxD

WUP

RxD

LIN

INH

EN

Internal

Voltage

Regulator

Int.5V

GND

Glitch

Filter

Glitch

Filter

VS_D

Control

Logic

Protection

VS_D

Table 1. Order Codes

Part Number

Package

L9638D

SO-8

L9638D013TR

Tape & Reel

Rev. 4

同様の部品番号 - L9638

メーカー	部品番号	データシート	部品情報
Hamamatsu Corporation	L9631	657Kb / 4P	110 kV MICROFOCUS X-RAY SOURCE
STMicroelectronics	L9634	997Kb / 36P	SQUIB RESISTANCE MEASUREMENT Oct-2004
	L9637	81Kb / 11P	ISO 9141 INTERFACE Dec-1998
	L9637	205Kb / 15P	Monolithic bus driver with ISO 9141 interface 20-Sep-2013
	L9637D	81Kb / 11P	ISO 9141 INTERFACE Dec-1998

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同様の説明 - L9638

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