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AD22105

Features: `User-Programmable Temperature Setpoint`2.08C Setpoint Accuracy`4.08C Preset Hysteresis`Wide Supply Range (+2.7 V dc to +7.0 V dc)`Wide Temperature Range (408C to +1508C)`Low Power Dissipation (230 mW @ 3.3 V)Application·Industrial Process Control·Thermal Control Systems·CPU Monitoring (...

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SeekIC No. : 004268673 Detail

AD22105: Features: `User-Programmable Temperature Setpoint`2.08C Setpoint Accuracy`4.08C Preset Hysteresis`Wide Supply Range (+2.7 V dc to +7.0 V dc)`Wide Temperature Range (408C to +1508C)`Low Power Dissipa...

AD22105 Data Sheet

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Part Number:
AD22105
Supply Ability:
5000

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  • 1~5000
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  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/24

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Product Details

Description



Features:

`User-Programmable Temperature Setpoint
`2.08C Setpoint Accuracy
`4.08C Preset Hysteresis
`Wide Supply Range (+2.7 V dc to +7.0 V dc)
`Wide Temperature Range (408C to +1508C)
`Low Power Dissipation (230 mW @ 3.3 V)




Application

·Industrial Process Control
·Thermal Control Systems
·CPU Monitoring (i.e., Pentium)
·Computer Thermal Management Circuits
·Fan Control
·Handheld/Portable Electronic Equipment




Pinout

AD22105 Diagram

Connection Diagram




Specifications

Maximum Supply Voltage . . . . . . . . . . . . . . . . . . . . . . .+11 V
Maximum Output Voltage (Pin 2) . . . . . . . . . . . . . . . . +11 V
Maximum Output Current (Pin 2) . . . . . . . . . . . . . . . 10 mA
Operating Temperature Range . . . . . . . . . . 50°C to +150°C
Dice Junction Temperature . . . . . . . . . . . . . . . . . . . . +160°C
Storage Temperature Range . . . . . . . . . . . . 65°C to +160°C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . +300°C




Description

The AD22105 is a solid state thermostatic switch. Requiring only one external programming resistor, the AD22105 can be set to switch accurately at any temperature in the wide operating range of 40°C to +150°C. Using a novel circuit architecture, the AD22105 asserts an open collector output when the ambient temperature exceeds the user-programmed setpoint temperature. The AD22105 has approximately 4°C of hysteresis which prevents rapid thermal on/off cycling.

The AD22105 is designed to operate on a single power supply voltage from +2.7 V to +7.0 V facilitating operation in battery powered applications as well as in industrial control systems. Because of low power dissipation (230 mW @ 3.3 V), selfheating errors are minimized and battery life is maximized. An optional internal 200 kW pull-up resistor is included to facilitate driving light loads such as CMOS inputs.






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