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AD5790:  System Ready 20-Bit, ±2 LSB INL, Voltage Output DAC

Product Details

Product Status:Recommended for New Designs

The AD57901 is a single 20-bit, voltage out Dac that operates from a bipolar supply up to 33V. Reference buffers are also provided on-chip The AD5790 accepts a positive reference input in the range of 5V to VDD – 2.5V and a negative reference input in the range of VSS + 2.5v to 0V. The AD5790 offers a relative accuracy of +/-2 LSB's max and operation is guaranteed monotonic with a -1 LSB to +3 LSB's DNL specification.

The part uses a versatile 3-wire serial interface that operates at clock rates up to 35 MHz and is compatible with standard SPI®, QSPI™, MICROWIRE™, and DSP interface standards. The part incorporates a power-on reset circuit that ensures the DAC output powers up to 0V and in a known output impedance state and remains in this state until a valid write to the device takes place. The part provides a disable feature that places the output in a defined load state.

1Protected by U.S. Patent No. 7,884,747 and 8,089,380

APPLICATIONS

  • Medical instrumentation
  • Test and measurement
  • Industrial control
  • Scientific and aerospace instrumentation
  • Data acquisition systems
  • Digital gain and offset adjustment
  • Power supply control

PRODUCT HIGHLIGHTS

  1. 20-bit resolution
  2. Wide power supply range of up to ±16.5 V.
  3. −40°C to +125°C operating temperature range.
  4. Low 8 nV/√Hz noise.
  5. Low ±0.018 ppm/°C gain error temperature coefficient.

FEATURES and BENEFITS

  • Single 20-bit voltage output DAC, ±2 LSB INL
  • 8 nV/√Hz output noise spectral density
  • 0.1 LSB long term linearity error stability
  • ±0.018 ppm/°C gain error temperature coefficient
  • 2.5 µs output voltage settling time
  • 3.5 nV-sec midscale glitch impulse
  • Integrated Precision Reference Buffers
  • Operating temperature range: −40°C to +125°C
  • 4mm x 5mm LFCSP package
  • Wide power supply range of up to ±16.5 V
  • 35 MHz Schmitt-triggered digital interface
  • 1.8 V compatible digital interface

Functional Block Diagram for AD5790

Similar Products

  • AD5791 1 ppm 20-Bit, ±1 LSB INL, Voltage Output DAC
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  • AD5760 Ultra Stable 16-Bit ±0.5 LSB INL, Voltage Output DAC
  • AD5781 True 18-Bit, Voltage Output DAC ±0.5 LSB INL, ±0.5 LSB DNL
  • AD5541A 2.7 V to 5.5 V, Serial-Input, Voltage-Output, 16-/12-Bit nanoDAC™ in 8-lead 3 mm × 3 mm LFCSP
  • AD5542A 2.7 V to 5.5 V, Serial-Input, Voltage-Output, 16-/12-Bit nanoDAC™ in 16-lead 3 mm × 3 mm LFCSP & 16-lead TSSOP

Video: AD5780 System Ready, 18-Bit, Ultra Low Noise DAC

5 things you don't know about DACs

Evaluation Kits & Symbols & Footprints

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Product Recommendations & Reference Designs

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Companion Products

Suggested Companion Products


Recommended Output Amplifier for the AD5790

  • For high precision, wide bandwidth, R-R output swing, we recommend the AD8675.
  • For high voltage, high slew rates and low noise, we recommend the ADA4898-1.
  • For high precision, low noise, small package, we recommend the ADA4004-1.
Recommended Power Solutions
  • For selecting voltage regulator products, use ADIsimPower.

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Price, packaging, availability

Price Table Help

The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

AD5790 Evaluation Board
Model Description Price RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
EVAL-AD5790SDZ Status: Production Evaluation Board $149.00 Yes -
EVAL-SDP-CB1Z Status: Production Evaluation Controller Board $99.00 Yes -

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.

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