L9637
Monolithic bus driver with ISO 9141 interface
Features
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Operating power supply voltage range
4.5 V
≤
V
S
≤
36 V (40 V for transients)
Reverse supply (battery) protected down to
V
S
≥
-24 V
Standby mode with very low current
consumption IS
SB
≤
1 mA @ V
CC
≤
0.5 V
Low quiescent current in off condition
IS
OFF
= 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
≤
V
K
≤
V
S
K output current limitation, typ. I
K
= 60 mA
Defined OFF output status in undervoltage
condition and V
S
or GND interruption
Controlled output slope for low EMI
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SO8
High input impedance for open V
S
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
L9637D
L9637D013TR
E-L9637D
(1)
E-L9637D013TR
Package
SO8
SO8
SO8
SO8
Packing
Tube
Tape and reel
Tube
Tape and reel
1. Device in ECOPACK® package (see
June 2009
Doc ID 1765 Rev 7
1/15
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STMICROELECTRONICS [ STMICROELECTRONICS ]
