Features: `OPERATING DC SUPPLY VOLTAGE RANGE 5V TO 25V`SUPPLY OVERVOLTAGEPULSE UP TO 40V `VERY LOW STANDBY QUIESCENT CUR RENT 0.2mA`INTERNAL CLAMPING DIODES AT CONTACT INPUTS TO VS AND GND`INPUT PULSE CURRENT CAPABILITY UP TO + 50mA ; 75mA`NOMINAL CONTACT CURRENT OF 10mADEFINED BY EXTERNAL CONTAC...
L9704D: Features: `OPERATING DC SUPPLY VOLTAGE RANGE 5V TO 25V`SUPPLY OVERVOLTAGEPULSE UP TO 40V `VERY LOW STANDBY QUIESCENT CUR RENT 0.2mA`INTERNAL CLAMPING DIODES AT CONTACT INPUTS TO VS AND GND`INPUT PUL...
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`OPERATING DC SUPPLY VOLTAGE RANGE 5V TO 25V
`SUPPLY OVERVOLTAGEPULSE UP TO 40V
`VERY LOW STANDBY QUIESCENT CUR RENT 0.2mA
`INTERNAL CLAMPING DIODES AT CONTACT INPUTS TO VS AND GND
`INPUT PULSE CURRENT CAPABILITY UP TO + 50mA ; 75mA
`NOMINAL CONTACT CURRENT OF 10mADEFINED BY EXTERNAL CONTACT SERIES RE. SISTORS RI N18
`CONTACT STATUS MONITORING BY COMPARING THE RESISTANCE AT CONTACT SENSEINPUTSWITHTHEINTERNALREFER. ENCE RESISTOR VALUE
`HIGHIMMUNITY DUE TORESISTANCE COMPARISONWITH HYSTERESIS
Symbol | Parameter | Test Conditions | Unit |
VS | Transient Supply Voltage (t 1s) | +40 | V |
VCC | Logic Supply Voltage | 7 | V |
IIN DC | Input DC Current | ±40 | mA |
IINP | Input DC Pulse (test pulse specification: 0 < tP < 2ms, f 0.2Hz, n = 25000) |
50 -75 |
mA mA |
IO | Output Current | Internally Limited | |
VEN | Enable Input Voltage | VCC +0.3 -0.3 |
V V |
PO | Power Dissipation at Tamb = 80°C DIP20 SO20 |
875 420 |
mW mW |
Tstg,TJ | Storage and Junction Temperature Range | -55 to 150 | °C |
The L9704D is a bipolar monolithic integrated circuit formonitoring the statusof up to eight contactsconnected to the power supply (battery).
L9704D contains eight contact sense inputs and eight microcomputer compatible three-state outputs.