AD7150 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

AD7150
Manufacturer

ADI
ChipWorker Part#

CW760545210
Description

Ultra-Low Power, 2Channel, Capacitance Converter for Proximity Sensing
Documentation

Datasheet

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AD7150 Specifications

Attribute	Attribute Value

Part Number	AD7150
Manufacturer	ADI
ChipWorker Part#	CW760545210
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

Product Details
The AD7150 delivers a complete signal processing solution for capacitive proximity sensors, featuring an ultra-low power converter with fast response time. The AD7151 is a single-channel, lower power alternative to the AD7150.
The AD7150 uses 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.
By default, the AD7150 operates in standalone mode using the fixed power-up settings and indicates detection on two digital outputs. Alternatively, the AD7150 can be interfaced to a microcontroller via the serial interface, the internal registers can be programmed with user-defined settings, and the data and status can be read from the part.
The AD7150 operates with a 2.7 V to 3.6 V power supply. It is specified over the temperature range of −40°C to +85°C.
**Applications**
Proximity sensing
Contactless switching
Position detection
Level detection
### Features and Benefits
Ultra-low power
2.7 V to 3.6 V, 100 μA
Response time: 10 ms
Adaptive environmental compensation
2 independent capacitance input channels
Sensor capacitance (CSENS) 0 pF up to 13 pF
Sensitivity to 1 fF
EMC tested
2modes of operation
Standalone with fixed settings
Interfaced to a microcontroller for user-defined settings
2 proximity detection output flags
2-wire serial interface (I2C compatible)
Operating temperature −40°C to +85°C
10-lead MSOP package

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