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AD7147ACPZ-1500RL7

Analogue to Digital Converter, 16 bit, Single Ended, Serial, Single, 2.6 V

AD7147ACPZ-1500RL7 - Analogue to Digital Converter, 16 bit, Single Ended, Serial, Single, 2.6 V

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Manufacturer Part No:
AD7147ACPZ-1500RL7
Order Code:
1838856RL
Product Range
AD7147 Series
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Product Overview

The AD7147ACPZ-1500RL7 is a CapTouch Programmable Controller designed for use with single-electrode capacitance sensor implementing functions such as buttons, scroll bars and wheels. The sensors need only one PCB layer enabling ultrathin applications. This controller is an integrated CDC with on-chip environmental calibration. The CDC has 13 inputs channelled through a switch matrix to a 16-bit, 250kHz Sigma-Delta (Σ-Δ) (∑-Δ) converter. The CDC is capable of sensing changes in the capacitance of the external sensors and uses this information to register sensor activation. By programming the registers, the user has full control over the CDC setup. There is an active shield output to minimize noise pickup in the sensor. The AD7147 has on-chip calibration logic to compensate for changes in the ambient environment. The calibration sequence is performed automatically and at continuous intervals as long as the sensors are not touched.
  • Programmable capacitance-to-digital converter (CDC)
  • Femtofarad resolution
  • 13 Capacitance sensor inputs
  • No external RC components required
  • Automatic conversion sequencer
  • On-chip automatic calibration logic
  • SPI-compatible (Serial Peripheral Interface compatible) serial interface
  • Separate VDRIVE level for serial interface
  • Interrupt output and general-purpose input/output (GPIO)
  • Low operating current

Applications

Automotive, Portable Devices, Audio, Consumer Electronics, Imaging, Video & Vision, Hobby & Education

Warnings

ESD sensitive device, take proper precaution while handling the device.

Product Information

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:
16bit

:
-

:
Single Ended

:
Serial

:
Single

:
2.6V

:
3.6V

:
LFCSP

:
24Pins

:
-40°C

:
85°C

:
-

:
-

:
MSL 3 - 168 hours
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Technical Docs (4)

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