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Updated at 18/06/2026 10:30:15(UTC+8)
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Description
- The ADS7871 (US patents 6140872, 6060874) is a complete low power data acquisition system on a single chip. It consists of a 4-channel differential/8-channel single-ended multiplexer, precision programmable gain amplifier, 14-bit successive approximation analog-to-digital (A/D) converter and a precision voltage reference.
- The programmable-gain amplifier provides high input impedance, excellent gain accuracy, good common-mode rejection, and low noise.
- For many low-level signals, no external amplification or impedance buffering is needed between the signal source and the A/D input.
- The offset voltage of the PGA is auto zeroed. Gains of 1, 2, 4, 5, 8, 10, 16, and 20 V/V allow signals as low as 125 mV to produce full-scale digital outputs.
- The ADS7871 contains an internal reference, which is trimmed for high initial accuracy and stability vs temperature. Drift is typically 10 ppm/°C. An external reference can be used in situations where multiple ADS7871s share a common reference.
- The serial interface allows the use of SPI, QSPI, Microwire, and 8051-family protocols, without glue logic.
- PGA Gains: 1, 2, 4, 5, 8, 10, 16, 20 V/V
- Programmable Input (Up to 4-Channel Differential/Up to 8-Channel Single-Ended or Some Combination)
- 1.15-V, 2.048-V, or 2.5-V Internal Reference
- SPI/DSP Compatible Serial Interface ( 20 MHz)
- Throughput Rate: 48 kSamples/sec
- Error Overload Indicator
- Programmable Output 2s Complement/Binary
- 2.7-V to 5.5-V Single Supply Operation
- 4-Bit Digital I/O Via Serial Interface
- Pin Compatible With ADS7870
- SSOP-28 Package
- APPLICATIONS
- Portable Battery-Powered Systems
- Low-Power Instrumentation
- Low-Power Control Systems
- Smart Sensor Applications
- All trademarks are the property of their respective owners.
ADS7871 Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Mounting Style | Surface Mount |
| Case/Package | SSOP-28 |
| Show | |
| Product Lifecycle Status | |
| RoHS | RoHS Compliant |
| Lead-Free Status | Lead Free |
Order guide
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- 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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