Overview
Features and Benefits
- 2.5 V to 5.5 V supply operation
- 50 MHz serial interface
- 2.47 MSPS update rate
- INL of ±0.25 LSB
- 10 MHz multiplying bandwidth
- ±10 V reference input
- Low glitch energy: <2 nV-s
- Extended temperature range: −40°C to +125°C
- 10-lead MSOP package
- Guaranteed monotonic
- 4-quadrant multiplication
- Power-on reset with brownout detection
- LDAC function
- 0.4 µA typical power consumption
Product Details
The AD5425 is a CMOS, 8-bit current output digital-to-analog converter (DAC), which operates from a 2.5 V to 5.5 V power supply, making it suited to battery powered applications and many other applications.
This DAC utilizes a double buffered, 3-wire serial interface that is compatible with SPI®, QSPI™, MICROWIRE™ and most DSP interface standards. An LDAC pin is also provided, which allows simultaneous updates in a multi-DAC configuration. On power-up, the internal shift register and latches are filled with 0s and the DAC outputs are 0 V.
As a result of processing on a CMOS sub micron process, this DAC offers excellent 4-quadrant multiplication characteristics, with large signal multiplying bandwidths of 10 MHz.
The applied external reference input voltage (VREF) determines the full-scale output current. An integrated feedback resistor, RFB, provides temperature tracking and full-scale voltage output when combined with an external I to V precision amplifier.
The AD5425 is available in a small, 10-lead MSOP package.
APPLICATIONS
- Portable battery-powered applications
- Waveform generators
- Analog processing
- Instrumentation applications
- Programmable amplifiers and attenuators
- Digitally controlled calibration
- Programmable filters and oscillators
- Composite video
- Ultrasound
- Gain, offset, and voltage trimming
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.
Documentation & Resources
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AN-912: Driving a Center-Tapped Transformer with a Balanced Current-Output DAC (Rev. 0)5/21/2007
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AN-320A: CMOS Multiplying DACs and Op Amps Combine to Build Programmable Gain Amplifier, Part 110/15/2004
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AN-349: Keys to Longer Life for CMOS10/15/2002
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AN-137: A Digitally Programmable Gain and Attenuation Amplifier Design9/26/2002
Software & Systems Requirements
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.View our quality and reliability program and certifications for more information.
Part Number | Material Declaration | Reliability Data | Pin/Package Drawing | CAD Symbols, Footprints & 3D Models |
---|---|---|---|---|
AD5425YRMZ | Material Declaration | Reliability Data | 10-Lead MSOP | |
AD5425YRMZ-REEL | Material Declaration | Reliability Data | 10-Lead MSOP | |
AD5425YRMZ-REEL7 | Material Declaration | Reliability Data | 10-Lead MSOP | |
Wafer Fabrication Data |
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Support & Discussions
Sample & Buy
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Lead Times
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Sampling
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