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AD22001

Analog Devices
Part Number AD22001
Manufacturer Analog Devices
Description 5-Channel Monolithic Comparator for Lamp Monitoring
Published Mar 23, 2005
Detailed Description a FEATURES Continuous Status Checks of Five Bulbs Lamp Status Check in “ON” and “OFF” States Status Checks of Two In-Lin...
Datasheet PDF File AD22001 PDF File

AD22001
AD22001

Overview
a FEATURES Continuous Status Checks of Five Bulbs Lamp Status Check in “ON” and “OFF” States Status Checks of Two In-Line Fuses Very Low Voltage Drop at Sensor Shunt Resistor (Comparator Threshold 1.
75 mV at 22 ؇C) Temperature and Supply Voltage Compensated Powered Directly from Car Battery: Protection Included for Transient, Reverse Supply, Load Dump Operating Temperature Range: –40 ؇ C to +125؇ C 15 V CMOS Compatible Digital Output Signals Voltage Limited Power Supply Output for 15 V CMOS Logic ICs 5-Channel Monolithic Comparator for Lamp Monitoring AD22001* FUNCTIONAL BLOCK DIAGRAM POWER OUT +VS 2 SWITCH & LIMITER 3 CHIP 1 ENABLE GND 20 AD22001 CHANNEL 1 –IN1 4 +IN1 5 INFUSE1 & 2 6 –IN2 +IN2 9 8 CHANNEL 2 7 OUT 1 & 2 –IN3 11 +IN3 10 CHANNEL 3 13 12 OUT 3 & 4 OUT (3 × 4) GENERAL DESCRIPTION The AD22001 is a monolithic, five-channel comparator circuit for monitoring the functionality of lamps in automotive applications.
The IC tests the series circuit leading to the lamp to d...


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