L9701CABG, L9704/X, L9705 Selling Leads, Datasheet
MFG:HAR Package Cooled:00+ D/C:SOP-20
L9701CABG, L9704/X, L9705 Datasheet download
Part Number: L9701CABG
MFG: HAR
Package Cooled: 00+
D/C: SOP-20
L9701CABG, L9704/X, L9705
- Table of contents:
Info of L9701CABG
Info of L9704/X
Info of L9705
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About L9700
PDF/DataSheet Download
Datasheet: L9700
File Size: 99761 KB
Manufacturer: STMICROELECTRONICS [STMicroelectronics]
Download : Click here to Download
About L9700
PDF/DataSheet Download
Datasheet: L9700
File Size: 99761 KB
Manufacturer: STMICROELECTRONICS [STMicroelectronics]
Download : Click here to Download
About L9705
PDF/DataSheet Download
Datasheet: L9705
File Size: 175382 KB
Manufacturer: STMICROELECTRONICS [STMicroelectronics]
Download : Click here to Download
L9705 General Description
The L9705 is a bipolar monolithic integrated circuit for monitoring the status of up to four contacts connected to GND and up to four contacts connected to the battery. The contact sense input supply the contact current and perform the contact resistance comparison function.
At the output the contact status is translated into a logical LOW level (contact closed) or logical HIGh level (contact open).
L9705 Maximum Ratings
| Symbol | Parameter | Value | Unit |
| VSDC | DC Supply Voltage | +26 | V |
| VSP | Peak Transient Supply Voltage (t 400ms) | +40 | V |
| VCC | Logic Supply Voltage | 7 | V |
| IINDC | Input DC Current | ±40 | mA |
| IINP | Input Pulse (tp = 0 to 2ms; f 0.2Hz; n = 25000) | -75 to 50 | mA |
| IOUT | Output Current (VO = 0 to 5.5V) | internally limited | |
| VEN | Enable Input Voltage | VCC +0.3V;-0.3V | V |
| Ptot | Total Power Dissipation (Tamb =80°C) DIP 20 SO 20 |
875 420 |
mW mW |
| Tj | Junction Temperature Range | max150 | °C |
L9705 Features
·OPERATING DC SUPPLY VOLTAGE RANGE 5V TO 25V
·SUPPLY OVERVOLTAGEPULSE UP TO 40V
·VERY LOW STAND-BY QUIESCENT CURRENT, MAX 50mA
·INTERNAL CLAMPING DIODES AT CONTACT INPUTS TO Vs AND gnd WITH PULSE CURRENT CAPABILITY UP TO +50mA, -75mA
·CHIP ENABLE FUNCTION AND TRISTATE OUTPUTS FOR PARALLELBUS CONNECTION
·NOMINAL CONTACT CURRENTS OF 10mA DEFINED WITH EXTERNAL CONTACT SERIES RESISTORSRIN1-8
·CONTACT STATUS MONITORING BY MEANS OF COMPARING THE RESISTANCE AT CONTACT SENSE INPUTS WITH THE INTERNAL REFERENCE RESISTOR VALUE
·RESISTANCE COMPARING WITH HYSTERESIS FOR HIGH NOISE IMMUNITY AND IMMUNITY TO GROUND AND BATTERY POTENTIAL DIFFERENCES
L9705 Connection Diagram
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