Purchase AD7679, In-stock AD7679 From SeekIC.
MFG:ADI D/C:09
Part Number: AD7679
MFG: ADI
D/C: 09
Description: The AD7679 is an 18-bit, 570 kSPS, charge redistribution SAR, fully differential analog-to-digital converter that opera...
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AD7679
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DataSheet
General Description
AD7679 General Description
The AD7679 is an 18-bit, 570 kSPS, charge redistribution SAR, fully differential analog-to-digital converter that operates on a single 5 V power supply. The part contains a high speed 18-bit sampling ADC, an internal conversion clock, an internal reference buffer, error correction circuits, and both serial and parallel system interface ports.
The part is available in a 48-lead LQFP or 48-lead LFCSP with operation specified from 40°C to +85°C.
AD7679 Maximum Ratings
| Parameter | Rating |
| Analog Inputs IN+2, IN2, REF, REFBUFIN, REFGND to AGND |
AVDD + 0.3 V to AGND 0.3 V |
| Ground Voltage Differences AGND, DGND, OGND |
±0.3 V |
| Supply Voltages AVDD, DVDD, OVDD AVDD to DVDD, AVDD to OVDD DVDD to OVDD Digital Inputs |
0.3 V to +7 V ±7 V 0.3 V to +7 V 0.3 V to DVDD + 0.3 V |
| Internal Power Dissipation3 | 700 mW |
| Internal Power Dissipation4 | 2.5 W |
| Junction Temperature | 150°C |
| Storage Temperature Range | 65°C to +150°C |
| Lead Temperature Range (Soldering 10 sec) |
300°C |
AD7679 Features
18-bit resolution with no missing codes
No pipeline delay (SAR architecture)
Differential input range: ±VREF (VREF up to 5 V)
Throughput: 570 kSPS
INL: ±2.5 LSB max (±9.5 ppm of full scale)
Dynamic range : 103 dB typ (VREF = 5 V)
S/(N+D): 100 dB typ @ 2 kHz (VREF = 5 V)
Parallel (18-,16-, or 8-bit bus) and serial 5 V/3 V interface
SPI®/QSPI™/MICROWIRE™/DSP compatible
On-board reference buffer
Single 5 V supply operation
Power dissipation: 76 mW @ 500 kSPS
150 W @ 1 kSPS
48-lead LQFP or 48-lead LFCSP package
Pin-to-pin compatible upgrade of AD7674/AD7676/AD7678
No pipeline delay (SAR architecture)
Differential input range: ±VREF (VREF up to 5 V)
Throughput: 570 kSPS
INL: ±2.5 LSB max (±9.5 ppm of full scale)
Dynamic range : 103 dB typ (VREF = 5 V)
S/(N+D): 100 dB typ @ 2 kHz (VREF = 5 V)
Parallel (18-,16-, or 8-bit bus) and serial 5 V/3 V interface
SPI®/QSPI™/MICROWIRE™/DSP compatible
On-board reference buffer
Single 5 V supply operation
Power dissipation: 76 mW @ 500 kSPS
150 W @ 1 kSPS
48-lead LQFP or 48-lead LFCSP package
Pin-to-pin compatible upgrade of AD7674/AD7676/AD7678
AD7679 Typical Application
CT scanners
High dynamic data acquisition
Geophone and hydrophone sensors
- replacement (low power, multichannel)
Instrumentation
Spectrum analysis
Medical instruments
High dynamic data acquisition
Geophone and hydrophone sensors
- replacement (low power, multichannel)
Instrumentation
Spectrum analysis
Medical instruments
AD7679 Connection Diagram
AD7679
PDF/DataSheet Download
- Datasheet: AD7679
- File Size: 1774381 KB
- Manufacturer: AD
- Click here to Download
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