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AD5780:  System Ready, 18-Bit ±1 LSB INL, Voltage Output DAC

Product Details

Product Status:Recommended for New Designs

The AD57801 is a true 18-bit, unbuffered voltage output DAC that operates from a bipolar supply of up to 33 V. The AD5780 accepts a positive reference input range of 5 V to VDD − 2.5 V and a negative reference input range of VSS + 2.5 V to 0 V. Both reference inputs are buffered on chip and external buffers are not required. The AD5780 offers a relative accuracy specifica-tion of ±1 LSB maximum range, and operation is guaranteed monotonic with a ±1 LSB DNL maximum range specification.

The part uses a versatile 3-wire serial interface that operates at clock rates of 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 that the DAC output powers up to 0 V in a known output impedance state and remains in this state until a valid write to the device takes place. The part provides an output clamp feature that places the output in a defined load state.

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

PRODUCT HIGHLIGHTS

  1. True 18-Bit Accuracy.
  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.

APPLICATIONS

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

FEATURES and BENEFITS

  • True 18-bit voltage output DAC, ±1 LSB INL
  • 8 nV/√Hz output noise spectral density
  • 0.025 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
  • 4 mm x 5 mm 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 AD5780

Similar Products

  • AD5781 True 18-Bit, Voltage Output DAC ±0.5 LSB INL, ±0.5 LSB DNL
  • AD5790 System Ready 20-Bit, ±2 LSB INL, Voltage Output DAC
  • AD5760 Ultra Stable 16-Bit ±0.5 LSB INL, Voltage Output DAC

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

5 things you don't know about DACs

Evaluation Kits & Symbols & Footprints

Evaluation Boards & KitsView the Evaluation Boards and Kits page for documentation and purchasing

Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

Product Recommendations & Reference Designs

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Companion Products

Suggested Companion Products


Recommended Output Amplifier for the AD5780

  • 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 External Reference for the AD5780
  • For a precision, ultralow noise, 5V reference, we recommend the ADR445 or the ADR4550.
Recommended Power Solutions
  • For selecting voltage regulator products, use ADIsimPower.

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Price, packaging, availability

AD5780 Model Options
Model Package Pins Temp.
Range
Packing,
Qty
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
AD5780ACPZ Status: Production 24 ld LFCSP (4x5mm w/3.65x2.65mm EP) 24 Ind Tray, 490 $23.79 $19.50 Y  Material Info PCN Purchase
AD5780ACPZ-REEL7 Status: Production 24 ld LFCSP (4x5mm w/3.65x2.65mm EP) 24 Ind Reel, 1500 - $19.50 Y  Material Info PCN Purchase
AD5780BCPZ Status: Production 24 ld LFCSP (4x5mm w/3.65x2.65mm EP) 24 Ind Tray, 490 $35.19 $28.85 Y  Material Info PCN Purchase Sample
AD5780BCPZ-REEL7 Status: Production 24 ld LFCSP (4x5mm w/3.65x2.65mm EP) 24 Ind Reel, 1500 - $28.85 Y  Material Info PCN Purchase
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.

AD5780 Evaluation Board
Model Description Price RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
EVAL-AD5780SDZ Status: Production Evaluation Board $149.00 Yes -
EVAL-SDP-CB1Z Status: Production SDP-B Controller Board (also required) $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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