L9637D integrated circuit components electronic ic chip Integrated Circuit Chip ISO 9141 INTERFACE

L9637D ISO 9141 INTERFACE

• OPERATING POWER SUPPLY VOLTAGE RANGE 4.5V ≤ V_S ≤ 36V (40V FOR TRANSIENTS)
• REVERSE SUPPLY (BATTERY) PROTECTED DOWN TO V_S ≥ -24V
• STANDBY MODE WITH VERY LOW CURRENT CONSUMPTION IS_SB 1µA @ VCC 0.5V
• LOW QUIESCENT CURRENT IN OFF CONDITION IS_OFF = 120µA
• 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 -24V ≤ VK ≤ VS
• K OUTPUT CURRENT LIMITATION, TYP IK = 60mA
• DEFINED OFF OUTPUT STATUS IN UNDERVOLTAGE CONDITION AND VS 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 L9637D is a monolithic integrated circuit containing standard ISO 9141 compatible interface functions.

ABSOLUTE MAXIMUM RATINGS (No damage or latch)

Note: Max. ESD voltages are ±2kV with human body model C = 100pF, R = 1.5k corresponds to maximum energy dissipation 0.2mJ according to MIL883C.

BLOCK DIAGRAM

PIN CONNECTION (Top view)

OUTLINE AND MECHANICAL DATA

SO8

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