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AD7690

Features: 18-bit resolution with no missing codes Throughput: 400 kSPS (AD7690), 250 kSPS (AD7691) INL: ±1 LSB typ (±4 ppm of FSR), ±2.5 LSB max Dynamic range: 102 dB @ 400 kSPS Oversampled Dynamic range: 128 dB @1 kSPS (AD7690)Noise-free-code-resolution: 20 bits @ 1 kSPSEffective resolution: 22....

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SeekIC No. : 004270690 Detail

AD7690: Features: 18-bit resolution with no missing codes Throughput: 400 kSPS (AD7690), 250 kSPS (AD7691) INL: ±1 LSB typ (±4 ppm of FSR), ±2.5 LSB max Dynamic range: 102 dB @ 400 kSPS Oversampled Dynamic...

AD7690 Data Sheet

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Part Number:
AD7690
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
Throughput: 400 kSPS (AD7690), 250 kSPS (AD7691)
INL: ±1 LSB typ (±4 ppm of FSR), ±2.5 LSB max
Dynamic range: 102 dB @ 400 kSPS
Oversampled Dynamic range: 128 dB @1 kSPS (AD7690)
Noise-free-code-resolution: 20 bits @ 1 kSPS
Effective resolution: 22.7 bits @ 1 kSPS
S/(N + D): 102 dB @ 1 kHz
THD: −120 dB @ 1 kHz
True differential analog input range : ±VREF
0 V to VREF with VREF up to VDD on both inputs
No pipeline delay
Single-supply 5 V (AD7690), 2.7V or 5V (AD7691) operation with 1.8 V/2.5 V/3 V/5 V logic interface
Serial interface SPI®/QSPI™/MICROWIRE™/DSP-compatible
Daisy-chain multiple ADCs and BUSY indicator
Power dissipation
5 mW @ 5 V/100 kSPS, 50 µW @ 5 V/1kSPS
Stand-by current: 1 nA
10-lead package: MSOP (MSOP-8 size) and
QFN (LFCSP), 3 mm * 3 mm same space as SOT-23 Pin-for-pin compatible with the 16-Bit AD7693, AD7688, AD7687




Application

Battery-powered equipment
Data acquisitions
Seismic Data Acquisition Systems
DVMs
Instrumentation
Medical instruments




Pinout

AD7690 Diagram

Connection Diagram




Specifications

Resolution (Bits) 18bit
T-Put Rate 400kSPS
# Chan 1
Supply V Single(+5)
Pwr Diss (max) 20mW
Interface Ser,SPI
Ain Range (2Vref) p-p
SNR (dB) 101.5dB
Pkg Type CSP,SOP





Description

The AD7690 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 with no




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