ADS7843E

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ADS7843E

+BOM

ADS7843 12-BIT ANALOG-TO-DIGITAL

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性 値
Package / Case Bulk
Part Status Active
Touchscreen 3 Wire Capacitive
Resolution(Bits) 12 b
Interface Serial
Voltage Reference External
Voltage - Supply 2.7V ~ 5V
Supply Current 280 µA
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount

概要

Equivalent

Equivalent products to the ADS7843E include:
- TSC2046 (similar 4-wire touch controller)
- XPT2046 (low-cost alternative)
- ADS7846 (higher resolution, same interface)
- STMPE811 (I²C interface, additional features)
These chips offer comparable touchscreen controller functionality with SPI interfaces, 12-bit resolution, and support for 4-wire resistive touchscreens. Choose based on cost, availability, or specific features like I²C (STMPE811).

Application

The ADS7843E is a 4-wire resistive touchscreen controller with 12-bit resolution. Its primary application areas include:
1. Touchscreen Panels – Used in PDAs, smartphones, tablets, and industrial HMI devices.
2. Embedded Systems – Integrates with microcontrollers for user input in medical, automotive, and consumer electronics.
3. POS Terminals & Kiosks – Enables touch-based interaction in retail and public systems.
4. Gaming Consoles – Supports resistive touch input in portable gaming devices.
5. Industrial Control Panels – Provides reliable touch input in harsh environments.
Its low power consumption, SPI interface, and on-chip temperature sensor make it versatile for compact, battery-powered, and precision-demanding applications.

Package

The ADS7843E is available in a TSSOP-16 (Thin Shrink Small Outline Package) package. This compact, surface-mount package is suitable for space-constrained applications, offering reliable performance for touch-screen controllers. The TSSOP-16 has a 0.65mm pin pitch and a small footprint, making it ideal for portable and embedded systems.

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