AD5767
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AD5767

16-Channel, 12-Bit Voltage Output denseDAC

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Part Details
Part Models 2
1ku List Price Starting From $37.08
Features
  • Complete 16-channel, 12-bit DACs
  • 8 software-programmable output ranges: −20 V to 0 V, −16 V to 0 V, −10 V to 0 V, −10 V to +6 V, −12 V to +14 V, −16 V to +10 V, ±5 V and ±10 V
  • Integrated DAC output buffers with ±20 mA output current capability
  • 4 mm × 4 mm WLCSP package and 40-lead LFCSP package
  • Integrated reference buffers
  • 2 dither signal input pins
  • Channel monitoring multiplexer
  • 1.8 V logic compatibility
  • Temperature range: −40°C to +105°C
Additional Details
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The AD5766/AD5767 are 16-channel, 16-bit/12-bit, voltage output denseDAC® digital-to-analog converters (DACs).

The DACs generate output voltage ranges from an external 2.5 V reference. Depending on the voltage range selected, the midpoint of the output span can be adjusted, allowing a minimum output voltage as low as −20 V or a maximum output voltage of up to +14 V. Each of the 16 channels can be monitored with an integrated output voltage multiplexer.

The AD5766/AD5767 have integrated output buffers that can sink or source up to 20 mA. In conjunction with these buffers, a low frequency signal can be superimposed onto each DAC output via dedicated dither pins. These dedicated dither pins simplify the system design by reducing the number of external components required for a similar external implementation, like operational amplifiers or resistors. The reduction of external components makes the AD5766/AD5767 suitable for indium phosphide Mach Zehnder modulator (InP MZM) biasing applications.

The devices incorporate a power-on reset (POR) circuit that ensures that the DAC outputs are clamped to ground on power up and remain at this level until the output range of the DAC is configured. The outputs of all DACs are updated through register configuration, with the added functionality of user-selectable DAC channels to be simultaneously updated.

The AD5766/AD5767 use a versatile 4-wire serial interface that operates at clock rates of up to 50 MHz for write mode and is compatible with serial peripheral interface (SPI), QSPI, MICROWIRE™, and DSP interface standards. The AD5766/ AD5767 also contain a VLOGIC pin intended for 1.8 V/3.3 V/5 V logic.

The AD5766/AD5767 are available in a 4 mm × 4 mm WLCSP package and a 40-lead LFCSP package. The AD5766/AD5767 operate at a temperature range of −40°C to +105°C.

Applications

  • Mach Zehnder modulator bias control
  • Optical networking
  • Instrumentation
  • Industrial automation
  • Data acquisition systems
  • Analog output modules
Part Models 2
1ku List Price Starting From $37.08

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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Product Lifecycle

PCN

Nov 13, 2017

- 17_0198

Data Sheet Correction: AD5767 Specifications and DAC Power Down Functionality

AD5767BCBZ-RL7

PRODUCTION

AD5767BCPZ-RL7

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- 17_0198

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Data Sheet Correction: AD5767 Specifications and DAC Power Down Functionality

AD5767BCBZ-RL7

PRODUCTION

AD5767BCPZ-RL7

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Evaluation Kit

Evaluation Kits 1

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EVAL-AD5767

AD5767 Evaluation Board

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EVAL-AD5767

AD5767 Evaluation Board

AD5767 Evaluation Board

Features and Benefits

  • Full featured evaluation board for the AD5767 with the ADP5071 power solution
  • PC control in conjunction with the Analog Devices, Inc., EVAL-SDP-CB1Z system demonstration platform (SDP)
  • Power solution generated from a single 3.3 V supply
  • PC software for control using analysis/control/evaluation (ACE) software

Product Detail

The EVAL-AD5766SD2Z/EVAL-AD5767SD2Z are fully featured evaluation boards designed to easily evaluate all features of the AD5766/AD5767 16-channel, 16-bit/12-bit, voltage output digital-to-analog converters (DACs).

These evaluation boards integrate a power solution using the ADP5071. The ADP5071 switching regulator offers a power solution by generating a bipolar supply of 8 V and −22 V from a 3.3 V input to create a DAC voltage output range of −20 V to +6 V. Alternatively, supplying the DAC with a linear power supply via the on-board connector, J9, generates all ranges.

The on-board connector, via J10, or the EVAL-SDP-CB1Z system demonstration platform (SDP) board, via J1, can control the AD5766/AD5767. The SDP enables the control of evaluation boards through the USB port of a Windows® based PC using the AD5766/AD5767 the evaluation software, ACE.

The AD5766/AD5767 are 16-channel, 16-bit/12-bit, voltage output denseDAC® converters. The DACs generate output ranges from a 2.5 V reference. Output buffers permit the AD5766/AD5767 to source or sink up to 20 mA. The range is software selectable and any channel can be routed to the monitor pin for external monitoring. The integration of the reference and output buffers creates an easy to use universal solution.

The devices require four power supplies. AVDD and AVSS are the positive and negative high voltage power supplies, AVCC is the analog supply for the low voltage DAC circuitry, and a VLOGIC supply pin sets the logic levels for the digital interface pins.

The ACE software of the EVAL-AD5766SD2Z/EVAL-AD5767SD2Z has an intuitive graphic user interface (GUI) for the configuration of AD5766/AD5767 modes of operation through the synchronous serial port (SPORT) interface. Visit the ACE software page to view plug in modules for the evaluation boards and Circuits from the Lab® (CFTL) demo boards of many other Analog Devices devices.

Complete specifications for the AD5766/AD5767 are available in the AD5766/AD5767 data sheet, which must be consulted in conjunction with theuser guide (UG-1070) when using the EVAL-AD5766SD2Z/EVAL-AD5767SD2Z.
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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