AD4006
Info : RECOMMENDED FOR NEW DESIGNS
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AD4006

18-Bit, 2 MSPS/1 MSPS/500 kSPS, Precision, Pseudo Differential, 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 $12.95
Features
  • Easy Drive
    • Greatly reduced input kickback
      • Input current reduced to 0.5 μA/MSPS
    • Enhanced acquisition phase, ≥79% of cycle time at 1 MSPS
    • First conversion accurate, no latency or pipeline delay
    • Input span compression for single-supply operation
    • Fast conversion allows low SPI clock rates
    • Input overvoltage clamp protection sinks up to 50 mA
    • SPI-/QSPI-/MICROWIRE-/DSP-compatible serial interface
  • High performance
    • Pseudo differential analog input range
      • 0 V to VREF with VREF from 2.4 V to 5.1 V
    • Throughput: 2 MSPS/1 MSPS/500 kSPS options
    • INL: ±3.2 LSB maximum
    • Guaranteed 18-bit, no missing codes
    • SNR: 95 dB at fIN = 1 kHz at VREF = 5 V
    • THD: −125 dB at fIN = 1 kHz, −108 dB at fIN = 100 kHz
    • SINAD: 84.5 dB at fIN = 1 MHz (see Figure 17 in data sheet)
    • Oversampled dynamic range
      • 98 dB for OSR = 2
      • 125 dB for OSR = 1024
  • Low power
    • Single 1.8 V supply operation with 1.71 V to 5.5 V logic interface
    • 2.5 mW at 500 kSPS (VDD only)
    • 70 μW at 10 kSPS, 14 mW at 2 MSPS (total power)
  • 10-lead packages: 3 mm × 3 mm LFCSP, 3 mm × 4.90 mm MSOP
    • Pin compatible with AD4003/AD4007/AD4011 family
  • Guaranteed operation: −40°C to +125°C
Additional Details
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The AD4002/AD4006/AD4010 are high accuracy, high speed, low power, 18-bit, Easy Drive, precision successive approximation register (SAR) analog-to-digital converters (ADCs) that operate from a single power supply, VDD. The reference voltage, VREF, is applied externally and can be set independent of the supply voltage. The AD4002/AD4006/AD4010 power scales linearly with throughput.

Easy Drive features reduce both signal chain complexity and power consumption while enabling higher channel density. The reduced input current, particularly in high-Z mode, coupled with a long signal acquisition phase, eliminates the need for a dedicated ADC driver. Easy Drive broadens the range of companion circuitry that is capable of driving these ADCs (see Figure 2 in the data sheet).

Input span compression eliminates the need to provide a negative supply to the ADC driver amplifier while preserving access to the full ADC code range. The input overvoltage clamp protects the ADC inputs against overvoltage events, minimizing disturbances on the reference pin and eliminating the need for external protection diodes.

Fast device throughput up to 2 MSPS allows users to accurately capture high frequency signals and to implement oversampling techniques to alleviate the challenges associated with antialias filter designs. Decreased serial peripheral interface (SPI) clock rate requirements reduce digital input/output power consumption, broadens digital host options, and simplifies the task of sending data across digital isolation. The SPI-compatible serial user interface is compatible with 1.8 V, 2.5 V, 3 V, and 5 V logic by using the separate VIO logic supply.

APPLICATIONS

  • Automated test equipment
  • Machine automation
  • Medical equipment
  • Battery-powered equipment
  • Precision data acquisition systems
  • Instrumentation and control systems
Part Models 3
1ku List Price Starting From $12.95

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Documentation

Documentation

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Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
AD4006BCPZ-RL7
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Software & Part Ecosystem

Software & Part Ecosystem

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Evaluation Kit

Evaluation Kits 1

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EVAL-AD400x-FMCZ

Evaluation Board for the AD4000 Series 16-/18-/20-Bit Precision SAR ADCs

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EVAL-AD400x-FMCZ

Evaluation Board for the AD4000 Series 16-/18-/20-Bit Precision SAR ADCs

Evaluation Board for the AD4000 Series 16-/18-/20-Bit Precision SAR ADCs

Features and Benefits

  • Fully featured evaluation board for 10-lead precision ADCs
  • Versatile analog signal conditioning circuitry
  • On-board reference, reference buffers, and ADC drivers
  • PC software for control and data analysis of time and frequency domain
  • System demonstration platform-compatible (SDP-H1)

Product Detail

The AD4000/AD4001/AD4002/AD4003/AD4020 family of evaluation boards enable quick, simplified evaluation of the AD4000 family of 16-/18-/20-bit, precision successive approx-imation register (SAR) analog-to-digital converters (ADCs). The AD4000/AD4001/AD4002/AD4003/AD4020 are low power, 16-bit/18-bit/20-bit, precision SAR ADCs that offer high performance with throughputs up to 2 MSPS (1.8 MSPS for the AD4020). The evaluation board demonstrates the performance of the AD4000/AD4001/AD4002/AD4003/AD4020 family of ADCs and provides a simplified interface for a variety of system applications.

The EVAL-AD4000FMCZ/EVAL-AD4001FMCZ/EVAL-AD4002FMCZ/EVAL-AD4003FMCZ/EVAL-AD4020FMCZ evaluation boards, accessible from the EVAL-AD400x-FMCZ product page, are ideal for use with the Analog Devices, Inc., high speed system demonstration platform (SDP-H1). These evaluation boards interface to the SDP-H1 board via a field-programmable gate array (FPGA) mezzanine card (FMC) low pin count (LPC) connector.

On-board components include a high precision buffered band gap 5.0 V reference (ADR4550), a reference buffer (ADA4807-1), a common-mode buffer (ADA4807-1), a signal conditioning circuit with two op amps (ADA4807-1), and a power supply to derive the necessary voltage levels to supply all voltage needs.

The EVAL-AD4000FMCZ, EVAL-AD4001FMCZ, EVAL-AD4002FMCZ, EVAL-AD4003FMCZ, and EVAL-AD4020FMCZ are populated with the AD4000, AD4001, AD4002, AD4003, and AD4020, respectively. However, these boards can be used to evaluate the performance of the AD4004, AD4005, AD4006, AD4007, AD4008, AD4010, AD4011, AD4021, and AD4022 by limiting the sample rate in the evaluation software to the maximum sample rate of the specific ADC. For example, the AD4000 on the EVAL-AD4000FMCZ can be used to evaluate the performance of the AD4004 if the sample rate is limited to 1 MSPS. See the data sheet of each product for the corresponding evaluation board.

Full descriptions of these products are available in their respective data sheets, which must be consulted when using the corresponding evaluation board. Table 7 shows the models of the AD4000/AD4001/AD4002/AD4003/AD4020 evaluation boards.

Tools & Simulations

Tools & Simulations 4

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

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