AD4682
Info : RECOMMENDED FOR NEW DESIGNS
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AD4682

Pseudo Differential Input, 1 MSPS/500 kSPS, Dual, Simultaneous Sampling, 16-Bit, SAR ADCs

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Info : RECOMMENDED FOR NEW DESIGNS tooltip
Info : RECOMMENDED FOR NEW DESIGNS tooltip
Part Details
Part Models 3
1ku List Price Starting From $12.40
Features
  • Dual 16-bit ADC family
  • Dual simultaneous sampling
  • Pseudo differential analog inputs
  • Throughput conversion rate
    • 1 MSPS for the AD4682
    • 500 kSPS for the AD4683
  • SNR (typical)
    • 87.5 dB, VREF = 3.3 V external
    • 93.4 dB with RES = 1 and OSR = ×8
  • On-chip oversampling function
  • Alert function
  • Resolution boost function
  • INL error (maximum): 2.5 LSBs
  • 2.5 V internal reference
  • High speed serial interface
  • −40°C to +125°C operation
  • 3 mm × 3 mm, 16-lead LFCSP
Additional Details
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The AD4682 and the AD4683 are a 16-bit, pin-compatible family of dual, simultaneous sampling, high speed, low power, successive approximation register (SAR), analog-to-digital converters (ADCs) that operate from a 3.0 V to 3.6 V power supply and feature throughput rates up to 1 MSPS for the AD4682 and 500 kSPS for the AD4683. The analog input type is pseudo differential and is sampled and converted on the falling edge of CS.

Integrated on-chip oversampling blocks improve dynamic range and reduce noise at lower bandwidths. A buffered internal 2.5 V reference is included. Alternatively, an external reference up to 3.3 V can be used.

The conversion process and data acquisition use standard control inputs that allow simple interfacing to microprocessors or digital signal processors (DSPs). The devices are compatible with 1.8 V, 2.5 V, and 3.3 V interfaces, using a separate logic supply.

Applications

  • Motor control position feedback
  • Motor control current sense
  • Sonar
  • Power quality
  • Data acquisition systems
  • Erbium doped fiber amplifier (EDFA) applications
  • Inphase (I) and quadrature (Q) demodulation
Part Models 3
1ku List Price Starting From $12.40

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
AD4682BCPZ-R2
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  • HTML
AD4682BCPZ-RL
  • HTML
  • HTML
AD4682BCPZ-RL7
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  • HTML
Software & Part Ecosystem

Software & Part Ecosystem

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Evaluation Kit

Evaluation Kits 1

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EVAL-AD7383

Evaluating the AD7383 Dual, Simultaneous Sampling, 16-Bit, 4 MSPS, SAR ADC, Pseudo Differential Input

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EVAL-AD7383

Evaluating the AD7383 Dual, Simultaneous Sampling, 16-Bit, 4 MSPS, SAR ADC, Pseudo Differential Input

Evaluating the AD7383 Dual, Simultaneous Sampling, 16-Bit, 4 MSPS, SAR ADC, Pseudo Differential Input

Features and Benefits

  • Fully featured evaluation board for the multichannel, simultaneous sampling AD7383
  • On-board reference, reference buffer, and ADC driver
  • On-board power supplies
  • SDP-H1 controller board compatible
  • PC software for control and data analysis

Product Detail

The EVAL-AD7383FMCZ is a fully featured evaluation board that evaluates all features of the AD7383 analog-to-digital converter (ADC). The EVAL-AD7383FMCZ is controlled by the EVAL-SDP-CH1Z (SDP-H1) system demonstration platform (SDP) via the 160-way SDP connector, J4. The SDP-H1 controls the EVAL-AD7383FMCZ through the USB port of a PC using the Analysis | Control | Evaluation (ACE) software, which is available to download from the ACE software page or the AD7383 product page.

The EVAL-AD7383FMCZ can be used to evaluate the AD7384 (14-bit, 4 MSPS), the AD4682 (16-bit, 1 MSPS), and the AD4683 (16-bit, 500 kSPS) pseudo differential, successive approximation register (SAR) ADCs. The AD7383 and the AD7384 only differ in the number of clock cycles when clocking out the conversion results, which are related to the resolution of the device. The AD4682 and AD4683 have a slower throughput rate than the AD7383.

For full details on the AD7383, see the AD7383 data sheet, which must be consulted in conjunction with the user guide when using the EVAL-AD7383FMCZ. In addition, full details on the SDP-H1 are available on the SDP-H1 evaluation board page, and the comprehensive ACE user guide is available on the ACE software page.

Tools & Simulations

Tools & Simulations 1

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