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AD7879WACPZ-RL The AD7879WACPZ-RL is a 12-bit touch screen controller for 4-wire resistive touch screens, operating from 1.6V to 3.6V with a SPI interface and sampling rate of 105kSPS.
Mfr Part #:

AD7879WACPZ-RL

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The AD7879WACPZ-RL is a 12-bit touch screen controller for 4-wire resistive touch screens, operating from 1.6V to 3.6V with a SPI interface and sampling rate of 105kSPS.
✓ Total Stock: 3,983 pcs

AD7879WACPZ-RL Available from 1 distributor

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AD7879WACPZ-RL Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Interface
Lead Style
Mounting Type
Operating Temperature
Resolution (Bits)
Supplier Device Package
Touchscreen
Voltage
Voltage Reference
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AD7879WACPZ-RL Description

Short technical summary and product information.

The AD7879WACPZ-RL is a 12-bit successive approximation ADC touch screen controller designed for 4-wire resistive touch screens. It operates from a single 1.6V to 3.6V supply and achieves throughput rates of 105kSPS. The device features a median and averaging filter to reduce noise from LCDs and other sources, an automatic conversion sequencer and timer, and a shutdown mode that reduces current consumption to a maximum of 6µA.

 

The controller includes an auxiliary analog input or battery monitor with a 0.5V to 5V range, and an optional GPIO. Interrupt outputs (INT, PENIRQ) and touch-pressure measurement capability are provided. It is qualified for automotive applications.

 

The AD7879WACPZ-RL is housed in a 16-lead LFCSP (4mm x 4mm) package with surface mount termination. The operating temperature range is -40°C to 85°C.

AD7879WACPZ-RL Quick Information

Product Type: Touch Screen Controller
Series: AD7879W
Canonical Name: AD7879WACPZ-RL Touch Screen Controller
Subcategory: Resistive Touch Screen Controller

AD7879WACPZ-RL Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

AD7879WACPZ-RL Features

  • 12-bit resolution with 105kSPS sampling rate.
  • Operates from 1.6V to 3.6V supply voltage.
  • 4-wire resistive touch screen interface.
  • Median and averaging filter for noise reduction.
  • Shutdown mode with 6µA maximum current.

AD7879WACPZ-RL Applications

  • Automotive touch screen interfaces.
  • Point-of-sale terminals and kiosks.
  • Portable smart handheld devices.
  • Medical equipment with touch input.

AD7879WACPZ-RL FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range for the AD7879WACPZ-RL?

The device operates from 1.6V to 3.6V.

What type of touch screen does the AD7879WACPZ-RL support?

It supports 4-wire resistive touch screens.

What is the resolution of the AD7879WACPZ-RL?

It has 12-bit resolution.

What is the operating temperature range of the AD7879WACPZ-RL?

It operates from -40°C to 85°C.

What is the sampling rate of the AD7879WACPZ-RL?

The sampling rate is 105 kSPS.

What package does the AD7879WACPZ-RL come in?

It comes in a 16-LFCSP-VQ (4x4mm) package.

What is the shutdown current of the AD7879WACPZ-RL?

The maximum shutdown current is 6 µA.

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