ADS7846E

100 INR/Piece

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Product Details:

Product Type Touch Screen Controller IC
Application Resistive Touch Panels, PDAs, Industrial Control Panels, Handheld Devices
Supply Voltage 2.2 V to 5.25 V
Dissipation Power 150 mW
Operating Temperature -40C to +85C
Power Consumption Low Power, <1 mA (typ) during operation
Temperature Range -40C to +85C
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Product Description

ADS7846E Price And Quantity

Minimum Order Quantity 20 Piece
Price 100 INR/Piece

ADS7846E Product Specifications

Weight Approx. 0.07 grams
Dissipation Power 150 mW
Input Voltage 2.2 V to 5.25 V
Operating Temperature -40C to +85C
Power Consumption Low Power, <1 mA (typ) during operation
Supply Voltage 2.2 V to 5.25 V
Size 16-Pin TSSOP Package
Voltage Regulator Type Not Integrated (external regulation required)
Temperature Range -40C to +85C
Product Type Touch Screen Controller IC
Application Resistive Touch Panels, PDAs, Industrial Control Panels, Handheld Devices

ADS7846E Trade Information

Payment Terms Cash Against Delivery (CAD), Cash in Advance (CID)
Main Domestic Market All India

Product Description

Specification

Base Part Number	ADS7846
Mounting Type	Surface Mount
Resolution Bits	12 b
Voltage Supply	2.2 V ~ 5.25 V
Voltage Reference	External,Internal
Touchscreen	4 Wire Resistive
Supplier Device Package	16-SSOP
Part Status	Active
Packaging	Cut Tape (CT)
Package Case	16-SSOP (0.154",3.90mm Width)
Operating Temperature	-40 deg C ~ 85 deg C
Interface	SPI
Current Supply	500uA

High-Precision Touch Detection

The ADS7846E offers a 12-bit, 4096-level resolution for efficient and highly accurate detection on resistive touch panels. Its rapid conversion time of 10 s and sampling rates up to 125 kHz make it suitable for fast and responsive touch interfaces in industrial and consumer electronics.

Robust Performance and Reliability

This controller is engineered with impressive ESD protectionwithstanding up to 2 kV via the Human Body Model. Its operational voltage range (2.2 V5.25 V) ensures compatibility across various power supply environments, and the standby current draws less than 1 A, maximizing battery life in portable devices.

Easy Integration and Versatile Applications

With SPI serial communication and a compact TSSOP-16 SMD package, the ADS7846E can be seamlessly integrated into resistive touch panels, PDAs, handheld devices, and industrial control equipment. Its RoHS compliance and wide temperature tolerance further ensure suitability for high-demand markets.

FAQs of ADS7846E:

Q: How does the ADS7846E interface with host devices?

A: The ADS7846E communicates using a Serial Peripheral Interface (SPI), allowing it to transmit 12-bit resolution touch data for X and Y coordinates to the host microcontroller. This interface ensures reliable and fast data transfer for real-time touch detection in compatible systems.

Q: What benefits does the high-resolution 12-bit touch detection provide?

A: The 12-bit (4096-level) resolution enables highly precise touch coordinate acquisition. This improves user experience in applications such as industrial control panels and PDAs by allowing smoother gesture tracking and more accurate input recognition.

Q: When should the ADS7846E be used in a design?

A: Designers should consider the ADS7846E when implementing resistive touch interfaces requiring under 1 mA active power consumption, high sampling rates (up to 125 kHz), and robust ESD protection. Its wide supply voltage range suits diverse embedded and portable applications.

Q: Where can the ADS7846E be sourced in India?

A: The ADS7846E is available through major electronic component distributors, importers, manufacturers, suppliers, traders, and wholesalers across India. It can be sourced for both small-scale development and mass production purposes.

Q: What is the process for mounting the ADS7846E?

A: Designed in a 16-pin TSSOP package, the ADS7846E is suitable for standard Surface Mount Device (SMD/SMT) assembly. This allows automated, efficient placement onto printed circuit boards during manufacturing.

Q: How does the ADS7846E ensure device reliability in harsh environments?

A: Its ESD protection up to 2 kV (HBM) and extended operating temperature range (-40C to +85C) allow stable operation in demanding industrial and portable environments, minimizing the risk of failure due to electrical or thermal stress.

Q: What kind of voltage regulation does the ADS7846E require?

A: The ADS7846E does not have an integrated voltage regulator, so an external regulator is required to maintain an operating voltage between 2.2 V and 5.25 V for optimal performance.

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