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AD7982: 18-Bit, 1 MSPS PulSAR® 7.0 mW ADC in MSOP/QFN
Product Status:Production
Data
Sheet
Sheet
AD7982 Data Sheet Rev A, 10/2007
(pdf 665kB)
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Product Details
Product Status:Production
myAnalogFEATURES and BENEFITS
- 18-bit resolution with no missing codes
- Throughput: 1 MSPS
- INL: ±1 LSB typical, ±2 LSB maximum
- Low power dissipation
7.0 mW at 1 MSPS
70 μW at 10 kSPS - 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
- Dynamic range: 99 dB
- No pipeline delay
- Single-supply 2.5 V operation with 1.8 V/2.5 V/3 V/5 V logic interface
- Serial interface SPI®-/QSPI™-/MICROWIRE™-/DSP-compatible
- Ability to daisy-chain multiple ADCs and busy indicator
- 10-lead package: MSOP (MSOP-8 size) and 3 mm × 3 mm QFN (LFCSP), SOT-23 size
Circuit Diagram for AD7982
18-Bit, 1 MSPS PulSAR® 7.0 mW ADC in MSOP/QFN
Other Diagrams for AD7982
18-Bit, 1 MSPS PulSAR® 7.0 mW ADC in MSOP/QFN
AD7982 Pin Configuration
Circuit Diagram for AD7982
Similar Products
- AD7984: Single Channel;18-Bit; 1.33 MSPS PulSAR 10.5 mW ADC in Small MSOP & QFN(3mm*3mm)
- AD7986 Single Channel;18-Bit; 2 MSPS; Low Power 15 mW; Differential Input; PulSAR ADC in 4mm*4mm QFN
- AD7988-1: Single Channel; 16-Bit; 100 kSPS; 700uW Ultra Low Power PulSAR ADC in Small MSOP & QFN(3mm*3mm)
- AD7988-5: Single Channel; 16-Bit; 500 kSPS; 3.5W Ultra Low Power PulSAR ADC in Small MSOP & QFN(3mm*3mm)
- AD7980 Single Channel;16-Bit; 1 MSPS;Low Power PulSAR ADC in Small MSOP & QFN(3mm*3mm)
- AD7983 Single Channel;16-Bit; 1.33 MSPS PulSAR ADC in Small MSOP & QFN(3mm*3mm)
- AD7985 Single Channel;16-Bit; 2.5 MSPS; 15.5 mW; PulSAR ADC in 4mm*4mm QFN
Of Note ...
Documentation
Design Tools,Models,Drivers & Software
| Title | Content Type | File Type |
|---|---|---|
| AD7982 IBIS Models | IBIS Models | HTML |
| BeMicro FPGA Project for AD7982 with Nios driver | FPGA HDL | HTML |
| AD7982 FMC-SDP Interposer & Evaluation Board / Xilinx KC705 Reference Design | FPGA HDL | HTML |
Evaluation Kits & Symbols & Footprints
Evaluation Boards & KitsView the Evaluation Boards and Kits page for documentation and purchasing
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Updated 10/2011
CN0237:Ultralow Power, 18-Bit, Differential PulSAR ADC Driver
Benefits & Features
- 18 bit ADC driver circuit
- Conversions speeds up to 1 MSPS
- System power disappation at 17 mW
Products Used
Explore in Signal Chain Designer
CN0237:Ultralow Power, 18-Bit, Differential PulSAR ADC Driver
Updated 05/2011
CN0180:Precision, Low Power, Single-Supply, Fully Integrated Differential ADC Driver for Industrial-Level Signals
Benefits & Features
- Industrial input voltage levels up to +/- 10V
- Singled ended to differential interface to 18-bit SAR converter
- Low power, total less than 22 mW
- Single supply 5V rail
Products Used
Explore in Signal Chain Designer
HARDWARE
CN0180:Precision, Low Power, Single-Supply, Fully Integrated Differential ADC Driver for Industrial-Level Signals
Updated 03/2009
CN0032:Converting a Single-Ended Signal with the AD7982 Differential PulSAR ADC
Benefits & Features
- Single ended to differential conversion
- DC coupled high performance
- Circuit optimized for board space
Products Used
Explore in Signal Chain Designer
CN0032:Converting a Single-Ended Signal with the AD7982 Differential PulSAR ADC
Companion Products
Suggested Companion Products
Recommended Driver Amplifiers for the AD7982
- For low frequency, precision, low bias current applications, we recommend the ADA4627-1, ADA4610-2, or the AD8476.
- For precision, low power, low distortion applications, we recommend the ADA4841-1, ADA4940-1 or the ADA4941-1.
- For high frequency, low noise, low distortion applications, we recommend the ADA4899, ADA4897-1, or the AD8021.
- For additional driver amplifier selections, we recommend selecting the product category and filtering on our parametric search tables.
- For low drift, low noise and high current output applications, we recommend the ADR435 reference family.
- For low drift, low noise and low dropout, we recommend the ADR445 reference family.
- For low drift, low noise, low power, we recommend the ADR4550 reference family.
- For additional voltage reference selections, we recommend filtering on our parametric search tables.
Recommended Digital Isolators for the AD7982
- For SPI Interface, lowest power, 2.5 kVrms isolation, we recommend the ADuM1401.
- For SPI Interface, enhanced system-level ESD performance, 2.5 kVrms isolation, we recommend the ADuM3401.
- For SPI Interface, low power, 5.0 kVrms isolation, we recommend the ADuM4401.
- For SPI Interface, smallest package, low voltage I/O (1.8 V to 5.5 V), we recommend the ADuM3481.
- For additional digital isolator selections, we recommend filtering on our parametric search tables.
- For selecting voltage regulator products, use ADIsimPower.
- For selecting supervisor products, use the Supervisor Parametric Search.
Were these recommendations helpful?
Sample & Buy
Price, packaging, availability
AD7982 Model Options
| Model | Package | Pins | Temp. Range |
Packing, Qty |
Price*(100-499) | Price*1000 pcs | RoHS | View PCN/ PDN | Check Inventory/ Purchase/Sample |
|---|
The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
