The AD7843ARU-REEL, manufactured by Analog Devices Inc., is a highly integrated touch screen digitizer that is designed to provide precise touch panel measurements. This component is part of the AD7843 series and comes in a tape and reel packaging format, which is ideal for automated manufacturing processes.

Key Features

• 4-wire touch screen interface
• 12-bit resolution and high accuracy
• Single-supply operation: 2.2V to 5.25V
• On-chip reference with a 2.5% tolerance
• Direct battery measurement (1.8V to 5.25V)
• Touch pressure measurement capability
• Serial interface compatible with SPI, QSPI™, MICROWIRE™, and DSP interface standards
• Low power consumption: 1µA typical standby current
• Temperature range: -40°C to +85°C
• 16-lead TSSOP (Thin Shrink Small Outline Package)

Applications

The AD7843ARU-REEL is engineered for use in a wide range of applications where touch screen functionality is required. It is particularly well-suited for portable devices due to its low power consumption and compact form factor. Typical applications include:

• Personal digital assistants (PDAs)
• Smartphones
• GPS navigation systems
• Point-of-sale (POS) machines
• Portable instrumentation

Performance and Quality

Analog Devices Inc. is known for its high-quality components, and the AD7843ARU-REEL is no exception. It delivers reliable performance in a variety of conditions and is designed to meet the rigorous demands of modern touch screen applications. Its high resolution and accuracy ensure that user interactions with touch screens are translated precisely, enhancing the overall user experience.

Ordering and Packaging

The AD7843ARU-REEL is available in a 16-lead TSSOP package and is supplied in a reel, facilitating easy integration into automated production lines. This packaging method ensures that the components are protected and remain in perfect condition until they are ready to be used in manufacturing.