ADS7842E Texas Instruments In Stock
ADS7842E is a 12-bit, 4-channel serial touchscreen controller ADC by Texas Instruments. Key specs: 12-bit resolution, 4 single-ended or 2 differential inputs, 2.7V–5V supply, SPI-compatible interface. From $9.94, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Price
- From $9.9400(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 12-bit resolution for precise touch position detection
- 4 single-ended or 2 differential analog input channels
- 2.7V to 5V wide supply voltage range
- SPI-compatible serial interface for easy microcontroller integration
- Low power consumption with shutdown mode
- Internal 2.5V reference option
Applications
The ADS7842E is widely used in resistive touchscreen panels for industrial HMIs, portable medical devices, and consumer electronics requiring precise coordinate detection. It also suits data acquisition systems and battery-powered instruments where low power and accurate multi-channel ADC conversion are critical.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the resolution and input channel count of the ADS7842E?
The ADS7842E features a 12-bit successive approximation ADC with 4 single-ended or 2 differential analog input channels, providing high-precision conversion suitable for touchscreen coordinate detection and general-purpose data acquisition.
What supply voltage does the ADS7842E support?
The ADS7842E operates over a wide supply voltage range of 2.7V to 5V, making it compatible with both 3.3V and 5V microcontroller systems and ideal for battery-powered portable applications.
What interface does the ADS7842E use to communicate with a microcontroller?
The ADS7842E uses an SPI-compatible serial interface, enabling straightforward integration with virtually any microcontroller or DSP that supports synchronous serial communication, with a simple 3-wire or 4-wire connection.
What are the typical applications for the ADS7842E?
Typical applications include resistive touchscreen controllers in industrial HMIs and kiosks, portable medical instruments, handheld data loggers, and any system requiring multi-channel 12-bit ADC conversion with low power operation.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $17.6183 | $17.62 |
| 21+ | $14.6100 | $306.81 |
| 50+ | $12.1000 | $605.00 |
| 100+ | $11.9700 | $1197.00 |
| 500+ | $10.5200 | $5260.00 |
| 1000+ | $9.9400 | $9940.00 |
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