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AD7156 Datasheet (PDF) - Analog Devices

AD7156 Datasheet PDF - Analog Devices
Part # AD7156
Download  AD7156 Download

File Size   533.24 Kbytes
Page   28 Pages
Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices
Description Ultralow Power, 1.8 V, 3 mm 횞 3 mm, 2-Channel Capacitance Converter

AD7156 Datasheet (PDF)

Go To PDF Page Download Datasheet
AD7156 Datasheet PDF - Analog Devices

Part # AD7156
Download  AD7156 Click to download

File Size   533.24 Kbytes
Page   28 Pages
Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices
Description Ultralow Power, 1.8 V, 3 mm 횞 3 mm, 2-Channel Capacitance Converter

AD7156 Datasheet (HTML) - Analog Devices

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AD7156 Product details

GENERAL DESCRIPTION

The AD7156 delivers a complete signal processing solution for capacitive sensors, featuring an ultralow power converter with fast response time.

The AD7156 uses an Analog Devices, Inc., capacitance-to digital converter (CDC) technology, which combines features important for interfacing to real sensors, such as high input sensitivity and high tolerance of both input parasitic ground capacitance and leakage current.

The integrated adaptive threshold algorithm compensates for any variations in the sensor capacitance due to environmental factors like humidity and temperature or due to changes in the

dielectric material over time. 



FEATURES

Ultralow power

  Power supply voltage: 1.8 V to 3.6 V

  Operation power supply current: 70 μA typical

  Power-down current: 2 μA typical

Fast response time

  Conversion time: 10 ms per channel

  Wake-up time from serial interface: 300 μs

Adaptive environmental compensation

2 capacitance input channels

  Sensor capacitance (CSENS): 0 pF up to 13 pF

  Sensitivity up to 3 fF

2 modes of operation

  Standalone with fixed settings

  Interfaced to a microcontroller for user-defined settings

2 detection output flags

2-wire serial interface (I2C-compatible)

Operating temperature: −40°C to +85°C

10-lead LFCSP package (3 mm × 3 mm × 0.8 mm)



APPLICATIONS

Buttons and switches

Proximity sensing

Contactless switching

Position detection

Level detection

Portable products



 




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About Analog Devices


Analog Devices, Inc. (ADI) is a publicly traded company that designs, develops, and manufactures high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs).
The company was founded in 1965 and is headquartered in Norwood, Massachusetts.
ADI serves a wide range of industries, including aerospace and defense, automotive, communications, consumer, industrial, medical, and test and measurement.
The company's product portfolio includes data converters, amplifiers and comparators, power management ICs, microcontrollers, sensors, and radio frequency (RF) and microwave components, among others.
ADI is dedicated to innovation and customer satisfaction, and is committed to providing its customers with high-quality, reliable solutions to meet their needs.
With a focus on energy efficiency and sustainability, ADI is a leader in the analog and mixed-signal IC industry, driving technological advancements and providing innovative solutions to the world's most challenging problems.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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