What is L9703D?
This is OCTAL GROUND CONTACT MONITORING CIRCUIT. |
[PDF] Complete Technical Details can be found in the
L9703D datasheet
provided at this page.Summary in PDF FileL9703 OCTAL GROUND CONTACT MONITORING CIRCUIT OPERATING DC SUPPLY VOLTAGE RANGE 5V TO 25V SUPPLY OVERVOLTAGE PULSE UP TO 40V VERY LOW STANDBY QUIESCENT CURRENT 0 2mA INTERNAL CLAMPING DIODES AT CONTACT INPUTS TO VS AND GND INPUT PULSE CURRENT CAPABILITY UP TO 50mA 75mA NOMINAL CONTACT CURRENT OF 10mA DEFINED BY EXTERNAL CONTACT SERIES RESISTORS RI N1 8 CONTACT STATUS MONITORING BY COMPARING THE RESISTANCE AT CONTACT SENSE INPUTS WITH THE INTERNAL REFERENCE RESISTOR VALUE HIGH IMMUNITY DUE TO RESISTANCE COMPARISON WITH HYSTERESIS DIP 20 SO 20L ORDERING NUMBERS L9703 DIP 20 L9703D SO 20L DESCRIPTION The L9703 is a bipolar monolithic integrated circuit for monitoring the status of up to eight contacts connected to GND BLOCK DIAGRAM It contains eight contact sense inputs and eight microcomputer compatible three state outputs March 1992 1 9 L9703 PIN CONNECTION top view ABSOLUTE MAXIMUM RATINGS Symbol VS VCC IIN DC IINP IO VEN PO Logic Supply Voltage Input DC Current Input DC Pulse test pulse specification 0 tP 2ms f 0 2Hz n 25000 Output Current Enable Input Voltage Power Dissipation at Tamb 80 C DIP20 SO20 Storage and Junction Temperature Range Parameter Transient Supply Voltage t 1s Test Condit |
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[ Detailed Data ] |
Manufacturers : STMicroelectronics  |
STM L9703D DATA OCTAL GROUND CONTACT MONITORING CIRCUIT |
Datasheet L9703D PDF DownLoad ( STM ) |