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Manufacturer / Brand: AD
Details: Programmable Controller for Capacitance Touch Sensors IC
Series: AD7142
Quantity Available: Over 55960 pieces

Datasheet for AD7142ACPZ-1500RL7:

AD7142ACPZ-1500RL7 datasheet
Price for AD7142ACPZ-1500RL7
Product Parameters
  • Manufacturer Part Number : AD7142ACPZ-1500RL7
  • Manufacturer : AD
  • Description : Programmable Controller for Capacitance Touch Sensors IC
  • Series : AD7142
  • Reference Price : USD 1.128
  • Our Price : We have a better price, contact us by email
  • Product Type : Integrated/Special Purpose A/D Converters
  • Function : Capacitive to Digital & Touch Screen Controllers
  • Current Suggest : Production
  • Status : Production
  • ROHS Status : ROHS Compliant (Lead Free)
  • Package Type : 32-Lead LFCSP (5mm x 5mm w/ EP)
  • Pins : 32
  • MFG Package Case : CP-32-7
  • Part Type : OTH
  • Standard Packing Type : Reel
  • Standard Packing Quantity : 500
  • Working Temperature : -40 to 85C
  • Other Part Number : AD7142ACPZ-1500RL7
  • Shipping methods : DHL FEDEX UPS TNT
  • Delivery Time : Ship within 1 day.
  • Manufacturer Production time : 6-8 weeks (Normally have stocks)
  • Weight : 0.001KG

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Features and Benefits of AD7142ACPZ-1500RL7
Product Detailed Description for AD7142ACPZ-1500RL7
The AD7142 and AD7142-1 are integrated capacitance-to-digital converters (CDCs) with on-chip environmental calibration for use in systems requiring a novel user input method. The AD7142 and AD7142-1 can interface to external capacitance sensors implementing functions such as capacitive buttons, scroll bars, or wheels.

The CDC has 14 inputs channeled through a switch matrix to a 16-bit, 250 kHz sigma-delta (∑-Δ) capacitance-to-digital converter. The CDC is capable of sensing changes in the capacitance of the external sensors and uses this information to register a sensor activation. The external sensors can be arranged as a series of buttons, as a scroll bar or wheel, or as a combination of sensor types. By programming the registers, the user has full control over the CDC setup. High resolution sensors require minor software to run on the host processor.

The AD7142 and AD7142-1 have on-chip calibration logic to account for changes in the ambient environment. The calibration sequence is performed automatically and at continuous intervals, when the sensors are not touched. This ensures that there are no false or nonregistering touches on the external sensors due to a changing environment.

The AD7142 has an SPI-compatible serial interface, and the AD7142-1 has an I2C-compatible serial interface. Both parts have an interrupt output, as well as a general-purpose input/ output (GPIO).

The AD7142 and AD7142-1 are available in a 32-lead, 5 mm × 5 mm LFCSP_VQ and operate from a 2.6 V to 3.6 V supply. The operating current consumption is less than 1 mA, falling to 50 μA in low power mode (conversion interval of 400 ms).

Applications

  • Personal music and multimedia players
  • Cell phones
  • Digital still cameras
  • Smart hand-held devices
  • Television, A/V, and remote controls
  • Gaming consoles
Lifecycle information of AD7142ACPZ-1500RL7

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

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