E-L9637D

Monolithic bus driver with ISO9141 Interface

The L9637 is a monolithic integrated circuit containing standard ISO 9141 compatible interface functions.

Key features
Defined OFF output status in undervoltage condition and V_S or GND interruption K output current limitation, typ. I_K = 60 mA High input impedance for open V_S or GND connection Controlled output slope for low EMI Defined K output OFF for TX input open Defined output ON status of LO or RX for open LI or K inputs EMI robustness optimized Integrated pull up resistors for TX, RX and LO Overtemperature shut down function Selective to K-I/O pin Bidirectional K-I/O pin with supply voltage dependent input threshold Operating power supply voltage range 4.5 V ≤ V_S ≤ 36 V (40 V for transients) Standby mode with very low current consumption IS_SB ≤ 1 mA @ V_CC ≤ 0.5 V Reverse supply (battery) protected down to V_S ≥ -24 V TTL compatible TX input Wide input and output voltage range -24 V ≤ V_K ≤ V_S Low quiescent current in off condition ISOFF = 120 µA

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The L9637 is a monolithic integrated circuit containing standard ISO 9141 compatible interface functions.

Key features
Defined OFF output status in undervoltage condition and V_S or GND interruption K output current limitation, typ. I_K = 60 mA High input impedance for open V_S or GND connection Controlled output slope for low EMI Defined K output OFF for TX input open Defined output ON status of LO or RX for open LI or K inputs EMI robustness optimized Integrated pull up resistors for TX, RX and LO Overtemperature shut down function Selective to K-I/O pin Bidirectional K-I/O pin with supply voltage dependent input threshold Operating power supply voltage range 4.5 V ≤ V_S ≤ 36 V (40 V for transients) Standby mode with very low current consumption IS_SB ≤ 1 mA @ V_CC ≤ 0.5 V Reverse supply (battery) protected down to V_S ≥ -24 V TTL compatible TX input Wide input and output voltage range -24 V ≤ V_K ≤ V_S Low quiescent current in off condition ISOFF = 120 µA