L9637D bus driver Datasheet

L9637D Datasheet, PDF, Equivalent


Part Number

L9637D

Description

Monolithic bus driver

Manufacture

STMicroelectronics

Total Page 15 Pages
Datasheet
Download L9637D Datasheet


L9637D
L9637
Monolithic bus driver with ISO 9141 interface
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
SO8
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
Description
The L9637 is a monolithic integrated circuit
containing standard ISO 9141 compatible
interface functions.
Table 1. Device summary
Order code
Package
L9637D
L9637D013TR
E-L9637D(1)
E-L9637D013TR(1)
SO8
SO8
SO8
SO8
1. Device in ECOPACK® package (see Section 4: Package information on page 13).
Packing
Tube
Tape and reel
Tube
Tape and reel
September 2013
Doc ID 1765 Rev 8
1/15
www.st.com
15

L9637D
Contents
Contents
L9637
1 Block diagram and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Electrical specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3 Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2/15 Doc ID 1765 Rev 8


Features L9637 Monolithic bus driver with ISO 914 1 interface Features ■ Operating pow er supply voltage range 4.5 V  VS 36 V (40 V for transients) ■ Revers e supply (battery) protected down to VS  -24 V ■ Standby mode with very l ow current consumption ISSB 1 mA @ VCC 0.5 V ■ Low quiescent cur rent in off condition ISOFF = 120 µA TTL compatible TX input ■ Bidirect ional K-I/O pin with supply voltage dep endent input threshold ■ Overtemperat ure shut down function Selective to K-I /O pin ■ Wide input and output voltag e range -24 V  VK  VS ■ K outpu t current limitation, typ. IK = 60 mA Defined OFF output status in undervo ltage condition and VS or GND interrupt ion ■ Controlled output slope for low EMI SO8 ■ High input impedance for open VS or GND connection ■ Defined o utput ON status of LO or RX for open LI or K inputs ■ Defined K output OFF f or TX input open ■ Integrated pull up resistors for TX, RX and LO ■ EMI robustness optimized Description The L9637 is a monolithic integrated circuit.
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