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MFG:ADI D/C:09
Part Number: AD7150
MFG: ADI
D/C: 09
Description: The AD7150 delivers a complete signal processing solution for capacitive proximity sensors, featuring ...
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AD7150
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DataSheet
General Description
AD7150 General Description
The AD7150 delivers a complete signal processing solution for capacitive proximity sensors, featuring an ultra low power converter with fast response time.
The AD7150 uses Analog Devices' capacitance to digital converter (CDC) technology, which combines features important for interfacing to real sensors, such as a high input sensitivity and a 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 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 uC via I2C 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 from a 3.3 V power supply. It is specified over the temperature range of -40°C to +125°C.
AD7150 Maximum Ratings
Positive Supply Voltage VDD to GND....... −0.3 V to + 3.9 V
Voltage on any Input or Output to GND ..0.3 V to VDD + 0.3 V
ESD Rating (ESD Association Human Body
Model, S5.1)............................ TBD V
Operating Temperature Range ..........40°C to +125°C
Storage Temperature Range ........... 65°C to +150°C
Junction Temperature ...................... 150°C
uSOIC Package JA,
(Thermal Impedance-to-Air)..................206°C/W
uSOIC Package JC,
(Thermal Impedance-to-Case)................ 44 °C/W
Lead Temperature, Soldering (10 sec) ............ 300°C
IR Reflow, Peak Temperature .................. 220°C
Voltage on any Input or Output to GND ..0.3 V to VDD + 0.3 V
ESD Rating (ESD Association Human Body
Model, S5.1)............................ TBD V
Operating Temperature Range ..........40°C to +125°C
Storage Temperature Range ........... 65°C to +150°C
Junction Temperature ...................... 150°C
uSOIC Package JA,
(Thermal Impedance-to-Air)..................206°C/W
uSOIC Package JC,
(Thermal Impedance-to-Case)................ 44 °C/W
Lead Temperature, Soldering (10 sec) ............ 300°C
IR Reflow, Peak Temperature .................. 220°C
AD7150 Features
·Ultra low power
·3.3 V, 90 uA
·Response time 10 ms
·Adaptive environmental compensation
·Two independent capacitance input channels
·Sensor capacitance (CSENS) 0 up to 14 pF
·Sensitivity to 0.8 fF
·EMC tested
·Two modes of operation:
·Standalone with fixed settings
·Interfaced to a uC for user-defined settings
·Two proximity detection output flags
·2-wire serial interface (I2C®-compatible)
·Operating temperature:
·-40°C to +125°C
·10-lead uSOIC package
·3.3 V, 90 uA
·Response time 10 ms
·Adaptive environmental compensation
·Two independent capacitance input channels
·Sensor capacitance (CSENS) 0 up to 14 pF
·Sensitivity to 0.8 fF
·EMC tested
·Two modes of operation:
·Standalone with fixed settings
·Interfaced to a uC for user-defined settings
·Two proximity detection output flags
·2-wire serial interface (I2C®-compatible)
·Operating temperature:
·-40°C to +125°C
·10-lead uSOIC package
AD7150 Typical Application
·Proximity sensing
·Contact-less switching
·Position detection
·Level detection
·Contact-less switching
·Position detection
·Level detection
AD7150
PDF/DataSheet Download
- Datasheet: AD7150
- File Size: 265158 KB
- Manufacturer:
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