AD7843ARQZ-REEL
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Analog Devices Inc. AD7843ARQZ-REEL

Manufacturer No:
AD7843ARQZ-REEL
Manufacturer:
Analog Devices Inc.
Package:
Tape & Reel (TR)
Description:
IC SCREEN CNTRL 12BIT 16QSOP
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The AD7843ARQZ-REEL is a 12-bit successive-approximation analog-to-digital converter (ADC) designed for touch screen applications, manufactured by Analog Devices Inc. This component is optimized for low power consumption and high-speed data conversion, making it suitable for a variety of touch screen interfaces. It operates from a single power supply ranging from 2.2 V to 5.25 V and features a throughput rate of up to 125 kSPS with a 2 MHz clock.

Key Specifications

ParameterValue
ManufacturerAnalog Devices Inc.
Part NumberAD7843ARQZ-REEL
Package16-SSOP (0.154, 3.90mm Width)
Number of Bits12
Sampling Rate125 kSPS
PolarityUnipolar
InterfaceSerial
Integral Nonlinearity (INL)2 LSB
Power Supply Range2.2 V to 5.25 V
Power Consumption1.37 mW max at 125 kSPS with VCC = 3.6 V
Shutdown Current1 µA max

Key Features

  • 4-wire touch screen interface
  • Programmable 8-bit or 12-bit resolution
  • Ratiometric conversion mode to eliminate errors due to on-board switch resistances
  • Low power consumption with a maximum current of 380 µA at 125 kSPS
  • High-speed serial interface
  • On-chip track-and-hold, multiplexer, ADC, and serial interface
  • Two auxiliary analog inputs
  • Shutdown mode with a current of 1 µA max

Applications

The AD7843ARQZ-REEL is primarily used in touch screen applications, including but not limited to:

  • Touch screen displays in consumer electronics
  • Industrial control panels
  • Medical devices with touch screen interfaces
  • Automotive systems with touch screen controls

Q & A

  1. What is the power supply range for the AD7843ARQZ-REEL?
    The AD7843ARQZ-REEL operates from a single power supply ranging from 2.2 V to 5.25 V.
  2. What is the maximum throughput rate of the AD7843ARQZ-REEL?
    The maximum throughput rate is 125 kSPS with a 2 MHz clock.
  3. What is the resolution of the AD7843ARQZ-REEL?
    The AD7843ARQZ-REEL has a programmable resolution of either 8-bit or 12-bit.
  4. What is the power consumption of the AD7843ARQZ-REEL at 125 kSPS?
    The power consumption is 1.37 mW max at 125 kSPS with VCC = 3.6 V.
  5. Does the AD7843ARQZ-REEL have a shutdown mode?
    Yes, it has a shutdown mode with a current of 1 µA max.
  6. What type of interface does the AD7843ARQZ-REEL use?
    The AD7843ARQZ-REEL uses a high-speed serial interface.
  7. What is the package type of the AD7843ARQZ-REEL?
    The package type is 16-SSOP (0.154, 3.90mm Width).
  8. Is the AD7843ARQZ-REEL suitable for touch screen applications?
    Yes, it is specifically designed for touch screen applications.
  9. What is the integral nonlinearity (INL) of the AD7843ARQZ-REEL?
    The INL is 2 LSB.
  10. Does the AD7843ARQZ-REEL have auxiliary analog inputs?
    Yes, it has two auxiliary analog inputs.

Product Attributes

Touchscreen:4 Wire Resistive
Resolution (Bits):12 b
Interface:Serial
Voltage Reference:External
Voltage - Supply:2.2V ~ 5.25V
Current - Supply:- 
Operating Temperature:-40°C ~ 85°C
Mounting Type:Surface Mount
Package / Case:16-SSOP (0.154", 3.90mm Width)
Supplier Device Package:16-QSOP
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In Stock

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Similar Products

Part Number AD7843ARQZ-REEL AD7843ARQZ-REEL7 AD7873ARQZ-REEL AD7843ARQ-REEL
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Active Active Active Obsolete
Touchscreen 4 Wire Resistive 4 Wire Resistive 4 Wire Resistive -
Resolution (Bits) 12 b 12 b 12 b 12 b
Interface Serial Serial Serial -
Voltage Reference External External External, Internal External
Voltage - Supply 2.2V ~ 5.25V 2.2V ~ 5.25V 2.2V ~ 5.25V 2.2V ~ 5.25V
Current - Supply - - - -
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 16-SSOP (0.154", 3.90mm Width) 16-SSOP (0.154", 3.90mm Width) 16-SSOP (0.154", 3.90mm Width) 16-SSOP (0.154", 3.90mm Width)
Supplier Device Package 16-QSOP 16-QSOP 16-QSOP 16-QSOP

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