AD5660

PRODUCTION

Single, 16-Bit nanoDAC® with 5 ppm/°C On-Chip Reference

Data Sheet (Rev. G) Product Selection Table
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Overview

  • Low power, single nanoDAC
    AD5660: 16 bits
  • 12-Bit Accuracy Guaranteed
  • On-chip, 1.25 V/2.5 V, 5 ppm/°C reference
  • Tiny 8-lead SOT-23/MSOP packages
  • Power-down to 480 nA @ 5 V, 200 nA @ 3 V
  • 3 V/5 V single power supply
  • Guaranteed 16-bit monotonic by design
  • Power-on reset to zero/midscale
  • 3 power-down functions
  • Serial interface with Schmitt-triggered inputs
  • Rail-to-rail operation
  • SYNC interrupt facility

The AD5620 / AD5640 / AD5660, members of the nanoDAC® family of devices, are low power, single, 12-/14-/16-bit, buffered voltage-out DACs and are guaranteed monotonic by design.

The AD5620 / AD5640 / AD5660-1 parts include an internal, 1.25 V, 5 ppm/°C reference, giving a full-scale output voltage range of 2.5 V. The AD5620 / AD5640 / AD5660-2-3 parts include an internal, 2.5 V, 5 ppm/°C reference, giving a full-scale output voltage range of 5 V. The reference associated with each part is available at the VREFOUT pin.

The parts incorporate a power-on reset circuit to ensure that the DAC output powers up to 0 V (AD5620 / AD5640 / AD5660-1-2) or midscale (AD5620-3 and AD5660-3) and remains there until a valid write takes place. The parts contain a power-down feature that reduces the current consumption of the device to 480 nA at 5 V and provides software-selectable output loads while in power-down mode. The power consumption is 2.5 mW at 5 V, reducing to 1 μW in power-down mode.

The AD5620 / AD5640 / AD5660 on-chip precision output amplifier allows rail-to-rail output swing to be achieved. For remote sensing applications, the output amplifier’s inverting input is available to the user. The AD5620 / AD5640 / AD5660 use a versatile 3-wire serial interface that operates at clock rates up to 30 MHz and is compatible with standard SPI®, QSPI™, MICROWIRE™, and DSP interface standards.

PRODUCT HIGHLIGHTS

  1. 16-bit nanoDAC — 12-bit accuracy guaranteed.
  2. On-chip, 1.25 V/2.5 V, 5 ppm/°C reference.
  3. Available in 8-lead SOT-23 and 8-lead MSOP packages.
  4. Power-on reset to 0 V or midscale.
  5. 10 µs settling time.

APPLICATIONS

  • Process control
  • Data acquisition systems
  • Portable battery-powered instruments
  • Digital gain and offset adjustment
  • Programmable voltage and current sources
  • Programmable attenuators
AD5660
Single, 16-Bit nanoDAC® with 5 ppm/°C On-Chip Reference
AD5620/AD5640/AD5660 Functional Block Diagram AD5620/AD5640/AD5660 Pin Configuration AD5620/AD5640/AD5660 Pin Configuration
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Documentation

Data Sheet 1

Application Note 1

Technical Articles 2

Evaluation Design File 1

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Software Resources

Device Drivers 2

Hardware Ecosystem

Parts Product Life Cycle Description
Interface Transceivers & Isolators 1
ADuM1300
PRODUCTION Triple-Channel Digital Isolator
Operational Amplifiers (Op Amps) 4
AD820
PRODUCTION Single-Supply, Rail-to-Rail, Low Power FET-Input Op Amp
OP295
PRODUCTION Rail-to-Rail Dual Op Amp
ADA4096-2
RECOMMENDED FOR NEW DESIGNS 30 V, Micropower, Overvoltage Protection, Rail-to-Rail Input/Output Dual Op Amplifier
AD8627
PRODUCTION Precision, Low Power, Single Supply JFET Amplifier in 5-Lead SC70
Voltage References 3
ADR02
PRODUCTION Ultracompact, Precision 5.0 V Voltage Reference
REF195
PRODUCTION 5.0V Precision Micropower, Low Dropout, Low Voltage Reference
REF193
PRODUCTION 3.0V Precision Micropower, Low Dropout, Low Voltage Reference
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Tools & Simulations

Precision DAC Error Budget Tool

The Precision DAC Error Budget Tool is a web application that calculates the DC Accuracy of precision DAC signal chains. It shows how the static errors accumulate throughout your signal chain to quickly evaluate the design tradeoffs. Calculations include the DC errors introduced by Voltage References, Operation Amplifiers and Precision DACs.

Open Tool

IBIS Model 1

Reference Designs

Basic analog output circuit for single channel
Basic analog output circuit for single channel
CN0203 Circuits from the lab

Flexible PLC/DCS Analog Output Module Using Only Two Analog Components

View Detailed Reference Design

Features and Benefits

  • Programmable analog output
  • 16 bit resolution
  • .1% error with no missing codes
  • Ideal for PLC output modules
CN0203
Flexible PLC/DCS Analog Output Module Using Only Two Analog Components
Basic analog output circuit for single channel

Latest Discussions

1 Years Ago
Accessing software programmable control register of AD5620/AD5640/AD5660
2 Years Ago
AD5660 supply & Ref_out
2 Years Ago
About AD5660 SPI Communication
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