September 2013 Doc ID 1765 Rev 8 1/15
15
L9637
Monolithic bus driver with ISO 9141 interface
Features
■ 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
■ 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 Package Packing
L9637D SO8 Tube
L9637D013TR SO8 Tape and reel
E-L9637D
(1)
1. Device in ECOPACK® package (see Section 4: Package information on page 13).
SO8 Tube
E-L9637D013TR
(1)
SO8 Tape and reel
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