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ADS7843E +BOM

12-bit Analog-to-Digital Converter (ADC) with a synchronous serial interface and touch screen con

ADS7843E Information

Description

The Texas Instruments ADS7843E is a 12-bit analog-to-digital converter (ADC) with a synchronous serial interface, designed for touch screen applications. It features a single supply voltage of 2.7V to 5V, a conversion rate up to 125kHz, and programmable resolution of 8 or 12 bits. The ADC has two auxiliary analog inputs and full power-down control. It is suitable for various applications such as personal digital assistants, portable instruments, point-of-sales terminals, pagers, touch screen monitors, and more.

Features

According to the product information, the key features of the ADS7843E are:

  • 4-WIRE TOUCH SCREEN INTERFACE
  • RATIOMETRIC CONVERSION
  • SINGLE SUPPLY: 2.7V to 5V
  • UP TO 125kHz CONVERSION RATE
  • SERIAL INTERFACE
  • PROGRAMMABLE 8-OR 12-BIT RESOLUTION
  • 2 AUXILIARY ANALOG INPUTS
  • FULL POWER-DOWN CONTROL
  • Additionally, it has some notable specifications:

  • Package: SSOP-16-150mil
  • Resolution: 8-bit or 12-bit (programmable)
  • Conversion rate: Up to 125kHz

Package

The package type of the ADS7843E is SSOP-16-150mil.

Manufacturer

The manufacturer of the ADS7843E is Texas Instruments (TI), a leading global semiconductor company that designs, manufactures, tests, and sells analog and embedded processing semiconductor products used in a wide range of applications. TI is headquartered in Dallas, Texas, USA, and has a strong presence globally with subsidiaries, distributors and business partners around the world.

Applications

According to the product information, the ADS7843E is commonly used in:

  • Touch screen applications, such as smartphones, tablets, and industrial control panels
  • Portable medical devices
  • Navigation systems
  • Automotive touch screens
  • Consumer electronics, digital cameras, and electronic test equipment

Equivalent

The equivalent products of ADS7843E are:

  • ADS7844
  • ADS7845
  • ADS7850
  • ADS7851

These products offer similar features, such as 12-bit resolution, touch screen interface, and serial communication. However, they may have different specifications or pinouts.

Specifications

Category Integrated Circuits (ICs)Data AcquisitionTouch Screen Controllers Touchscreen 4 Wire Resistive
Resolution (Bits) 12 b Interface Serial
Voltage Reference External Voltage - Supply 2.7V ~ 5V
Current - Supply 2.5 µA Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount Base Product Number ADS7843
Package/Case SSOP16

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Ratings and Reviews

More
K
K**e 12/06/2023

I hope that more goods will come, the seller agreed without problems to return money, believe it means you can

4
E
E**h 04/24/2023

Fire, everything works

2
D
D**n 08/08/2022

The leds came in good condition but two appeared dead on test. For me it is acceptable as I got 100 of them in total

3

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