ADS7843E/2K5G4

$1.24

Description：IC SCREEN CNTRL 12BIT 16SSOP
Series：-

SKU:6cb3840b3ff9 Category: Touch Screen Controllers Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：IC SCREEN CNTRL 12BIT 16SSOP
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR)
Touchscreen：4 Wire Resistive
Resolution (Bits)：12 b
Interface：Serial
Voltage Reference：External
Voltage - Supply：2.7V ~ 5V
Operating Temperature：-40°C ~ 85°C
Mounting Type：Surface Mount
Package / Case：16-SSOP (0.154", 3.90mm Width)
Supplier Device Package：16-SSOP
Current - Supply：2.5 µA
Grade：-
Qualification：-

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ADS7843E/2K5G4

Overview

The ADS7843E/2K5G4 is a resistive touch screen controller manufactured by Texas Instruments. It features a 12-bit analog-to-digital converter with a serial interface compatible with SPI, QSPI, and MICROWIRE standards. The device operates on a single power supply ranging from 2.7V to 5.25V. Key electrical specifications include a typical conversion time of 10 µs and a maximum sampling rate of 125 kS/s. It integrates an internal reference voltage and supports both external and internal reference configurations. The component is housed in a 16-lead SSOP package and is rated for operation within a temperature range of -40°C to +85°C.

Feature Summary

12-bit resolution with 125 kS/s sampling rate
Serial interface compatible with standard protocols
Internal reference voltage option
Single-supply operation (2.7V to 5.25V)

Applications

Resistive touch screen control systems
Portable handheld devices
Industrial human-machine interfaces

Procurement Notes

Verify the suffix /2K5G4 indicates reel packaging containing 2500 units. Confirm RoHS compliance status as G4 typically denotes lead-free and halogen-free construction. Check current availability status as distribution channels may list this part as obsolete or last-time-buy depending on regional inventory.

Selection Notes

Select this component when a low-pin-count solution for resistive touch screens is required. Ensure the host microcontroller supports the specific serial protocol variants (SPI/QSPI/MICROWIRE) supported by the ADS7843. Verify that the system power supply remains within the 2.7V to 5.25V operating range to maintain specified performance metrics.

Part Context

This part belongs to the ADS7843 family of touch screen controllers. The E variant specifies commercial temperature range operation. The /2K5 suffix designates tape-and-reel packaging, while G4 indicates environmental compliance. It serves as a cost-effective alternative to multi-channel ADCs for simple four-wire resistive touch applications.

Replacement Considerations

Direct pin-compatible replacements within the same family include the ADS7843IDBQRQ1 for automotive-grade requirements. Other series members like the ADS7846 offer additional channels but require different software handling.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.