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AD5544/AD5554: Quad, Current-Output,Serial-Input 16-/14-Bit DACs Data Sheet (Rev. H)9/11/2015PDF903 kB
Overview
Features and Benefits
- 14-bit resolution
- INL of ±0.5 LSB (B Grade)
- 2 mA full-scale current ± 20%, with VREF = ±10 V
- 0.9 μs settling time to ±0.1%
- 12 MHz multiplying bandwidth
- Midscale glitch of −1 nV-sec
- Midscale or zero-scale reset
- Four separate, 4-quadrant multiplying reference inputs
- See data sheet for additional feature
Product Details
The AD5544 / AD5554 quad, 16-/14-bit, current output, digital-to-analog converters (DACs) are designed to operate from 2.7 V to 5.5 V supply range.
The applied external reference input voltage (VREFx) 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- and microcontroller-compatible inputs using serial data in (SDI), a chip select (CS), and clock (CLK) signals. In addition, a serial data out pin (SDO) allows for daisy-chaining when multiple packages are used. 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 AD5544 is packaged in the compact 28-lead SSOP and 32-lead LFCSP. The AD5554 is packaged in the compact 28-lead SSOP
APPLICATIONS
- Automatic test equipment
- Instrumentation
- Digitally controlled calibration
Product Categories
Product Lifecycle
Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Evaluation Kits (1)
Documentation & Resources
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AN-912: Driving a Center-Tapped Transformer with a Balanced Current-Output DAC (Rev. 0)5/21/2007PDF246 kB
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AN-320A: CMOS Multiplying DACs and Op Amps Combine to Build Programmable Gain Amplifier, Part 110/15/2004PDF1295 kB
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AN-137: A Digitally Programmable Gain and Attenuation Amplifier Design9/26/2002PDF52 kB
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Multiplying DACs Flexible Building Blocks11/30/2015PDF2 M
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Digital to Analog Converters ICs Solutions Bulletin, Volume 11, Issue 511/9/2011PDF
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.
Design Resources
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.
PCN-PDN Information
Sample & Buy
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Evaluation Boards
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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.