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Updated at 17/06/2025 10:30:15(UTC+8)
Certifications
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Description
- The ADS1146, ADS1147, and ADS1148 devices are precision, 16-bit analog-to-digital converters (ADCs) that include many integrated features to reduce system cost and component count for sensor measurement applications. The devices feature a low-noise, programmable gain amplifier (PGA), a precision delta-sigma (ΔΣ) ADC with a single-cycle settling digital filter, and an internal oscillator. The ADS1147 and ADS1148 devices also provide a built-in, low-drift voltage reference, and two matched programmable excitation current sources (IDACs).
- An input multiplexer supports four differential inputs for the ADS1148, two for the ADS1147, and one for the ADS1146. In addition, the multiplexer integrates sensor burn-out detection, voltage bias for thermocouples, system monitoring, and general purpose digital I/Os (ADS1147 and ADS1148). The PGA provides selectable gains up to 128 V/V. These features provide a complete front-end solution for temperature sensor measurement applications including thermocouples, thermistors, and resistance temperature detectors (RTDs) and other small signal measurements including resistive bridge sensors. The digital filter settles in a single cycle to support fast channel cycling when using the input multiplexer and provides data rates up to 2 kSPS. For data rates of 20 SPS or less, both 50-Hz and 60-Hz interference are rejected by the filter.
- Programmable Data Rates Up to 2 kSPS
- Single-Cycle Settling for All Data Rates
- Simultaneous 50-Hz and 60-Hz Rejection at
- 20 SPS
- Analog Multiplexer With 8 (ADS1148) and
- 4 (ADS1147) Independently Selectable Inputs
- Programmable Gain: 1 V/V to 128 V/V
- Dual-Matched Programmable Excitation Current Sources
- Low-Drift Internal 2.048-V Reference
- Sensor Burnout Detection
- 4 or 8 General-Purpose I/Os (ADS1147 and ADS1148)
- Internal Temperature Sensor
- Power Supply and VREF Monitoring (ADS1147 and ADS1148)
- Self and System Calibration
- SPI™-Compatible Serial Interface
- Analog Supply: Unipolar (2.7 V to 5.25 V) or Bipolar (±2.5 V)
- Digital Supply: 2.7 V to 5.25 V
ADS1148 Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Mounting Style | Surface Mount |
| Case/Package | TSSOP-28 |
| Show | |
| 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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