AD5545

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Precision DUAL 16-Bit and 14-Bit DACs in Compact TSSOP Packages

Data Sheet (Rev. I) Product Selection Table
Part Models
5
1ku List Price
Starting From $13.63
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Part Details

  • 16-bit resolution
  • ±1 LSB DNL monotonic
  • ±1 LSB INL
  • 2 mA full-scale current ±20%, with VREF = 10 V
  • 0.5 μs settling time
  • 2Q multiplying reference-input 6.9 MHz BW
  • Zero or midscale power-up preset
  • Zero or midscale dynamic reset
  • 3-wire interface
  • Compact TSSOP-16 package
AD5545
Precision DUAL 16-Bit and 14-Bit DACs in Compact TSSOP Packages
AD5545/AD5555 Functional Block Diagram
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Documentation

Data Sheet 2

User Guide 1

Application Note 3

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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.

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Evaluation Kits

EVAL-AD5545

AD5545 Evaluation Board

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Features and Benefits

  • Full-featured evaluation board for the AD5545
  • Graphic user interface software for board control and data analysis
  • Connector to EVAL-SDP-CB1Z system demonstration platform board
  • Various power supply options

Product Details

The AD5545 dual, 16-bit, current output, digital-to-analog converter (DAC) designed to operate from a single 5 V supply. The applied external reference input voltage (VREF) determines the full-scale output current. Integrated feedback resistors (RFB) provide temperature-tracking, full-scale voltage outputs when combined with an external I-to-V precision amplifier.

A double-buffered serial data interface offers high speed, 3-wire, SPI-compatible, and microcontroller-compatible inputs using serial data in (SDI), chip select (CS), and clock (CLK) signals. A common, level-sensitive, load DAC strobe (LDAC) input allows the simultaneous update of all DAC outputs from previously loaded input registers. Additionally, an internal power-on reset forces the output voltage to 0 at system turn-on. An MSB pin allows system reset assertion (RS) to force all registers to zero code when MSB = 0, or to half-scale code when MSB = 1.

The AD5545 is packaged in the compact 16-lead TSSOP. The EV-AD5545SDZ board is used in conjunction with the EVAL-SDP-CB1Z system demonstration platform (SDP) board available from Analog Devices, Inc., which is purchased separately from the evaluation board. The USB-to-SPI communication to the AD5545 is completed using the EVALSDP-CB1Z Blackfin®-based demonstration board.


EVAL-AD5545
AD5545 Evaluation Board

Latest Discussions

35 Weeks Ago
Output is not changing when configure with SPI.
1 Years Ago
RE: Choice of multiplying DAC for 30kHz sine
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