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Updated at 17/06/2025 10:30:15(UTC+8)
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Description
- Product Details
- The AD7982 is an 18-bit, successive approximation, analog-to- digital converter (ADC) that operates from a single power supply, VDD. It contains a low power, high speed, 18-bit sampling ADC and a versatile serial interface port. On the CNV rising edge, the AD7982 samples the voltage difference between the IN+ and IN− pins. The voltages on these pins usually swing in opposite phases between 0 V and VREF. The reference voltage, REF, is applied externally and can be set independent of the supply voltage, VDD. Its power scales linearly with throughput.
- The SPI-compatible serial interface also features the ability, using the SDI input, to daisy-chain several ADCs on a single 3-wire bus and provides an optional busy indicator. It is compatible with 1.8 V, 2.5 V, 3 V, and 5 V logic, using the separate VIO supply.
- The AD7982 is available in a 10-lead MSOP or a 10-lead QFN (LFCSP) with operation specified from −40°C to +85°C.
- **Applications**
- Battery-powered equipment
- Data acquisition systems
- Medical instruments
- Seismic data acquisition systems
- ### Features and Benefits
- 18-bit resolution with no missing codes
- Throughput: 1 MSPS
- Low power dissipation
- 4 mW at 1 MSPS (VDD only)
- 7 mW at 1 MSPS (total)
- 70 μW at 10 kSPS
- INL: ±1 LSB typical, ±2 LSB maximum
- Dynamic range: 99 dB typical
- True differential analog input range: ±VREF
- 0 V to VREF with VREF between 2.5 V to 5.0 V
- Allows use of any input range
- Easy to drive with the ADA4941-1 or ADA4940-1
- No pipeline delay
- Single-supply 2.5 V operation with 1.8 V, 2.5 V, 3 V, and 5 V logic interface
- Proprietary serial interface SPI-/QSPI™/ MICROWIRE™-/DSP-compatible
- Ability to daisy-chain multiple ADCs and busy indicator
- 10-Lead MSOP and 3 mm × 3 mm 10-Lead LFCSP
AD7982BRMZRL7 Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Mounting Style | Surface Mount |
| Number of Pins | 10 Pin |
| Case/Package | MSOP-10 |
| Digital Logic Level | SAR |
| Number of Circuits | 1 Circuit |
| Number of Channels | 1 Channel |
| Number of Bits | 18 Bit |
| Power Dissipation | 7 mW |
| Sample Rate | 1 Msps |
| Resolution (Bits) | 18.0 Bit |
| Number of ADCs | 1 ADC |
| Number of Inputs | 1 Input |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Power Dissipation (Max) | 8.6 mW |
| Number of Input Channels | 1 Channel |
| Show | |
| Operating Temperature | -40℃ ~ 85℃ |
| Product Lifecycle Status | Active |
| Packaging | Tape & Reel (TR) |
| RoHS | RoHS Compliant |
| Lead-Free Status | Lead Free |
| Mil-Spec | No |
| ECCN Code | EAR99 |
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
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