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AD7674

Features: 18-bit resolution with no missing codes No pipeline delay (SAR architecture) Differential input range: ±VREF (VREF up to 5 V) Throughput: 800 kSPS (Warp mode) 666 kSPS (Normal mode) 570 kSPS (Impulse mode) INL: ±2.5 LSB max (±9.5 ppm of full scale) Dynamic range : 103 dB typ (VREF = 5 V...

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SeekIC No. : 004270616 Detail

AD7674: Features: 18-bit resolution with no missing codes No pipeline delay (SAR architecture) Differential input range: ±VREF (VREF up to 5 V) Throughput: 800 kSPS (Warp mode) 666 kSPS (Normal mode) 570 k...

AD7674 Data Sheet

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Part Number:
AD7674
Supply Ability:
5000

Price Break

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

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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: 800 kSPS (Warp mode) 666 kSPS (Normal mode) 570 kSPS (Impulse mode)
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: 98 mW typ @ 800 kSPS 78 mW typ@ 500 kSPS (Impulse mode) 160 µW @ 1 kSPS (Impulse mode)
48-lead LQFP or 48-lead LFCSP package
Pin-to-pin compatible upgrade of AD7676/AD7678/AD7679




Application

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




Pinout

AD7674 Diagram

Connection Diagram




Specifications

Resolution (Bits) 18bit
T-Put Rate 800kSPS
# Chan 1
Supply V Single(+5)
Pwr Diss 138mW
Interface Byte,Par,Ser,SPI
Ain Range (2Vref) p-p
SNR (dB) 101dB
Pkg Type CSP,QFP


Parameter Rating
Analog Inputs
IN+2, IN2, REF, REFBUFIN,
REFGND to AGND
AGND 0.3 V to
AVDD + 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 Dissipation 4 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 AD7674 is an 18-bit, 800 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 AD7674 is available in 48-lead LQFP or 48-lead LFCSP packages with operation specified from 40°C to +85°C.






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