AD7679

Features: 18-bit resolution with no missing codesNo pipeline delay (SAR architecture)Differential input range: ±VREF (VREF up to 5 V)Throughput: 570 kSPSINL: ±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-...

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SeekIC No. : 004270645 Detail

AD7679: Features: 18-bit resolution with no missing codesNo pipeline delay (SAR architecture)Differential input range: ±VREF (VREF up to 5 V)Throughput: 570 kSPSINL: ±2.5 LSB max (±9.5 ppm of full scale)Dyn...

floor Price/Ceiling Price

Part Number:
AD7679
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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268 Transactions

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Upload time: 2024/11/21

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Product Details

Description



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





Application

CT scanners
High dynamic data acquisition
Geophone and hydrophone sensors
- replacement (low power, multichannel)
Instrumentation
Spectrum analysis
Medical instruments





Pinout

AD7679 Diagram

  Connection Diagram




Specifications

Resolution (Bits) 18bit
T-Put Rate 570kSPS
# Chan 1
Supply V Single(+5)
Pwr Diss 103mW
Interface Byte,Par,Ser,SPI
Ain Range (2Vref) p-p,4 V p-p
SNR (dB) 101dB
Pkg Type CSP,QFP


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





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.




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