AD5679R
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AD5679R

16-Channel, 12-/16-Bit nanoDAC+ with 2 ppm/°C Voltage Reference Temperature Coefficient, SPI Interface

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Part Details
Part Models 4
1ku List Price Starting From $23.19
Features
  • High performance
    • High relative accuracy (INL): ±4 LSB maximum at 16 bits (AD5679/AD5679R)
    • TUE: ±0.14% of FSR maximum
    • Offset error: ±1.5 mV maximum
    • Gain error: ±0.06% of FSR maximum
    • Low drift, 2.5 V voltage reference temperature coefficient: 2 ppm/°C typical
    • 40 mA short-circuit current
  • Wide operating ranges
    • −40°C to +125°C temperature range
    • 2.7 V to 5.5 V power supply range
  • Simplified implementation
    • User selectable gain of 1 or 2 (GAIN pin)
    • 1.8 V logic compatibility
  • 50 MHz serial peripheral interface (SPI) with readback or daisy chain
  • 28-lead, 4 mm × 4 mm, RoHS compliant LFCSP
Additional Details
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The AD5674/AD5674R/AD5679/AD5679R are low power, 16-channel, 12-/16-bit, buffered voltage output, digital-to-analog converters (DACs) that include a 2.5 V, 2 ppm/°C internal reference (enabled by default), and a gain select pin, resulting in a full-scale output of 2.5 V (gain = 1) or 5 V (gain = 2). The devices operate from a single, 2.7 V to 5.5 V supply range and are guaranteed monotonic by design. The AD5674/AD5674R/AD5679/AD5679R are available in a 28-lead lead frame chip scale package (LFCSP) and incorporate a power-on reset (POR) circuit that ensures that the DAC outputs power up to and remains at zero-scale or midscale until a valid write. The AD5674/AD5674R/AD5679/AD5679R contain a power-down mode that reduces the current consumption to 2 μA typical.

Product Highlights

  1. High channel density: 16 channels in 4 mm × 4 mm LFCSP.
  2. High relative accuracy (integral nonlinearity (INL)) ±4 LSB maximum.
  3. Low drift, 2.5 V, on-chip reference.

Applications

  • Optical transceivers
  • Base station power amplifiers
  • Process control (programmable logic controller (PLC) input/output cards)
  • Industrial automation
  • Data acquisition systems
Part Models 4
1ku List Price Starting From $23.19

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Documentation

Documentation

Video

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
AD5679RBCPZ-1
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AD5679RBCPZ-1-RL7
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AD5679RBCPZ-2
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AD5679RBCPZ-2-RL7
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Software & Part Ecosystem

Software & Part Ecosystem

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Evaluation Kit

Evaluation Kits 2

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SDP-B

System Demonstration Platform

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SDP-B

System Demonstration Platform

System Demonstration Platform

Features and Benefits

  • Blackfin Processor ADSP-BF527
  • USB 2.0 Interface to PC
  • JTAG header footprint
  • 32MB SDRAM
  • 2 x Small Footprint 120 Pin Connectors
  • Configurable Peripheral Interfaces - SPI - SPORT - I2C - GPIOs - Parallel - Timers

Product Detail

The SDP-B is a controller board for the System Demonstration Platform (SDP). The SDP-B is based on the Blackfin ADSP-BF527 processor with connectivity to the PC through a USB 2.0 high speed port. Controller boards allow for the configuration and capture of data on daughter boards from the PC via USB.

The SDP-B has two identical 120 pin connectors which expose the Blackfin processors peripherals to connected SDP compatible daughter boards. Each of the connectors provides configurable Serial, Parallel I2C and SPI and GPIO communications lines to the attached daughter board. The PC side software application for controlling the attached daughter board is provided with each of the daughter product evaluation boards or Circuits from the Lab reference Circuits.

The System Demonstration Platform is a collection of controller boards, interposer boards, and daughter boards, used for easy, low cost evaluation of ADI components and reference circuits. For a general overview of the entire platform visit the System Demonstration Platform homepage www.analog.com/sdpb.

Software for the SDP-B is on an evaluation board specific basis. Please check the individual daughter evaluation board page for information on the relevant application software.

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EVAL-AD5679R

AD5679R/AD5679/AD5674R/AD5674 Evaluation Board

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EVAL-AD5679R

AD5679R/AD5679/AD5674R/AD5674 Evaluation Board

AD5679R/AD5679/AD5674R/AD5674 Evaluation Board

Features and Benefits

  • Full featured evaluation board for the AD5679R
  • Various link options
  • PC control in conjunction with the Analog Devices, Inc., SDP board

Product Detail

This user guide details the operation of the EVAL-AD5679RSDZ for the AD5679R 16-bit, 16-channel, voltage output, digital-to-analog converter (DAC).

The EVAL-AD5679RSDZ allows users to quickly prototype AD5679R circuits and reduce design time. The AD5679R operates from a single 2.7 V to 5.5 V supply range. The AD5679R incorporates an internal 2.5 V reference to give an output voltage of 2.5 V or 5 V.

The EVAL-AD5679RSDZ interfaces to the USB port of a PC via a system demonstration platform (SDP-B) board. The Analysis | Control | Evaluation (ACE) software is available for download from the EVAL-AD5679RSDZ product page to use with the evaluation board to allow the user to program the AD5679R. A peripheral module interface (PMOD) connection is also available to allow the connection of microcontrollers to the evaluation board without the SDP-B board. When a microcontroller is used through the PMOD connection, the SDP-B board must be disconnected, and the user is unable to operate the ACE software.

The EVAL-AD5679RSDZ is compatible with any Analog Devices, Inc., SDP-B board, which can be purchased separately. A typical connection between the EVAL-AD5679RSDZ and the SDP-B controller board is shown in Figure 1.

For full details, see the AD5679R data sheet, which must be used in conjunction with this user guide when using the EVAL-AD5679RSDZ.

EVAL-AD5679RSDZ is compatible with all models of the AD5674/AD5674R/AD5679/AD5679R.

Tools & Simulations

Tools & Simulations 2

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.

To launch ready-to-run LTspice demonstration circuits for this part:

Step 1: Download and install LTspice on your computer.

Step 2: Click on the link in the section below to download a demonstration circuit.

Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.

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