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AK4182A

Features: `12 bit SAR type A/D Converter with S/H circuit`Low Voltage Operation (VCC = 2.2V ∼ 3.6V)`Low Voltage Digital I/F (1.5V ∼ VCC)`4-wire I/F`Sampling Frequency: 125 kHz (max)`On-Chip Voltage Reference (2.5V)`Pen Pressure Measurement`On-Chip Thermo Sensor`Direct Battery Measureme...

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SeekIC No. : 004279293 Detail

AK4182A: Features: `12 bit SAR type A/D Converter with S/H circuit`Low Voltage Operation (VCC = 2.2V ∼ 3.6V)`Low Voltage Digital I/F (1.5V ∼ VCC)`4-wire I/F`Sampling Frequency: 125 kHz (max)`On-C...

AK4182A Data Sheet

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Part Number:
AK4182A
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/21

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Product Details

Description



Features:

`12 bit SAR type A/D Converter with S/H circuit
`Low Voltage Operation (VCC = 2.2V ∼ 3.6V)
`Low Voltage Digital I/F (1.5V ∼ VCC)
`4-wire I/F
`Sampling Frequency: 125 kHz (max)
`On-Chip Voltage Reference (2.5V)
`Pen Pressure Measurement
`On-Chip Thermo Sensor
`Direct Battery Measurement
`Low Power Consumption (260A)
`Package 16pin QFN


Pinout

Connection Diagram


Specifications

Parameter Symbol Min max Units
Power Supplies VCC -0.3 6.0 V
Digital I/O Power Supply IOVDD -0.3 6.0 V
Input Current (any pins except for supplies) IIN   ±10 mA
Input Voltage VIN -0.3 6.0(VCC+0.3) V
Touch Panel Drive Current IOUTDRV   50 mA
Ambient Temperature (power supplied) Ta -40 83
Storage Temperature Tstg -65 150



Description

The AK4182A is a 4-wire resistive touch screen controller that incorporates a 12-bit 125 kHz sampling SAR type A/D converter.

The AK4182A operates down to 2.2V supply voltage and supports digital I/O interface voltage from 1.5V to VCC in order to connect low voltage uP.

The AK4182A can detect the pressed screen location by performing two A/D conversions. In addition to location, the product also measures touch screen pressure. On-chip VREF can be utilized for analog auxiliary input, temperature measurement and battery monitoring with the ability to measure voltage from 0V to 5V.

The AK4182A also has an on-chip temperature sensor. It is available in 16pin QFN thin package (0.75mm in height) and has the operating temperature range of -40°C to +85°C




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