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Updated at 17/06/2025 10:30:15(UTC+8)
Certifications
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Description
- The ADS1222 is a 2-channel, 24-bit, delta-sigma analog-to-digital (A/D) converter. It offers excellent performance and low power in a TSSOP-14 package. The ADS1222 is well-suited for demanding, high-resolution measurements, especially in portable systems and other space-saving and power-constrained applications.
- A delta-sigma (ΔΣ) modulator and digital filter form the basis of the A/D converter. The analog modulator has a ±5V differential input range. An input multiplexer (mux) is used to select between two separate differential input channels. A buffer can be selected to increase the input impedance of the measurement.
- A simple, 2-wire serial interface provides all the necessary control. Data retrieval, self-calibration, and Standby mode are handled with a few simple waveforms. When only single conversions are needed, the ADS1222 can be quickly shut down (Standby mode) while idle between measurements to dramatically reduce the overall power consumption. Multiple ADS1222s can be connected together to create a synchronously sampling multichannel measurement system. The ADS1222 is designed to easily connect to microcontrollers, such as the MSP430.
- The ADS1222 supports 2.7V to 5.5V supplies. Power is typically less than 1mW in 3V operation and less than 1µW during Standby mode.
- 240SPS Data Rate with 4MHz Clock
- 20-Bit Effective Resolution
- Input Multiplexer with Two Differential Channels
- Pin-Selectable, High-Impedance Input Buffer
- ±5V Differential Input Range
- 0.0003% INL (typ), 0.0015% INL (max)
- Self-Calibrating
- Simple 2-Wire Serial Interface
- On-Chip Temperature Sensor
- Single Conversions with Standby Mode
- Low Current Consumption: 300µA
- Analog Supply: 2.7V to 5.5V
- APPLICATIONS
- Hand-Held Instrumentation
- Portable Medical Equipment
- Industrial Process Control
- Weigh Scales
- All trademarks are the property of their respective owners.
ADS1222 Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Show | |
| Product Lifecycle Status | |
| RoHS | RoHS Compliant |
| Lead-Free Status | Lead Free |
Order guide
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charges, duties and taxes.
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- You can choose whether shipping charges will be charged through your shipping account or by us.
- Please confirm with the logistics company in advance for remote areas.
(Additional charges ($35-$50) may apply for delivery in these areas)
- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
Contact Us
If you have any problem,please email to sales@manychip.com, we will response as soon as possisble.
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