AD5781
PRODUCTIONTrue 18-Bit, Voltage Output DAC ±0.5 LSB INL, ±0.5 LSB DNL
- Part Models
- 5
- 1ku List Price
- Starting From $19.32
Part Details
- Single 18-bit DAC, ± 0.5 LSB INL
- 7.5nV/√Hz Noise Spectral Density
- 0.05 LSB Long Term Linearity Stability
- < 0.05-ppm/°C Temperature Drift
- 1μs Settling Time
- 1.4 nV-sec glitch impulse
- Operating temperature range: −40°C to 125°C
- 20-Lead TSSOP Package
- Wide Power Supply range up to ±16.5V
- 35 MHz Schmitt triggered Digital Interface
- 1.8 V compatible digital interface
AD5781-EP supports defense and aerospace applications (AQEC standard)
- Download the AD5781-EP Data Sheet (pdf)
- Military temperature range (−55°C to +125°C)
- Controlled manufacturing baseline
- One assembly/test site
- One fabrication site
- Enhanced product change notification
- Qualification data available on request
- V62/12661 DSCC Drawing Number
The AD5781 is a single 18-bit, unbuffered voltage-output DAC that operates from a bipolar supply of up to 33 V. The AD5781 accepts a positive reference input in the range 5V to VDD – 2.5 V and a negative reference input in the range VSS + 2.5 V to 0 V. The AD5781 offers a relative accuracy specification of ±0.5 LSB max, and operation is guaranteed monotonic with a ±0.5 LSB DNL maximum specification.
The part uses a versatile 3-wire serial interface that operates at clock rates up to 35 MHz and that 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 0 V and 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.
PRODUCT HIGHLIGHTS
- True 18-Bit Accuracy.
- Wide Power Supply Range of Up to ±16.5 V.
- −40°C to +125°C Operating Temperature Range.
- Low 7.5 nV/√Hz Noise.
- Low 0.05 ppm/°C Temperature Drift.
APPLICATIONS
- Medical Instrumentation
- Test and Measurement
- Industrial Control
- Scientific and Aerospace Instrumentation
- Data Acquisition Systems
- Digital Gain and Offset Adjustment
- Power Supply Control
Documentation
Data Sheet 3
User Guide 2
Device Drivers 5
Circuit Note 1
Solutions Bulletin & Brochure 1
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 Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| AD5781ARUZ | 20-Lead TSSOP | ||
| AD5781ARUZ-REEL7 | 20-Lead TSSOP | ||
| AD5781BRUZ | 20-Lead TSSOP | ||
| AD5781BRUZ-REEL7 | 20-Lead TSSOP | ||
| AD5781SRUZ-EP | 20-Lead TSSOP |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
|
Jul 18, 2013 - 13_0159 AD5791/AD5791-EP/AD5781/AD5781-EP/AD5790/AD5780/AD5760 Datasheet Correction - Remove Daisy Chain Mode |
||
| AD5781ARUZ | PRODUCTION | |
| AD5781ARUZ-REEL7 | PRODUCTION | |
| AD5781BRUZ | PRODUCTION | |
| AD5781BRUZ-REEL7 | PRODUCTION | |
|
Jul 29, 2011 - 11_0191 AD5781 / AD5791 Features Change |
||
| AD5781ARUZ | PRODUCTION | |
| AD5781ARUZ-REEL7 | PRODUCTION | |
| AD5781BRUZ | PRODUCTION | |
| AD5781BRUZ-REEL7 | PRODUCTION | |
This is the most up-to-date revision of the Data Sheet.
Software Resources
Device Drivers 5
FPGA/HDL 2
Mbed Support 1
Code Examples 1
Evaluation Software 0
Can't find the software or driver you need?
Hardware Ecosystem
| Parts | Product Life Cycle | Description |
|---|---|---|
| Precision Op Amps (Vos ≤1mV & TCVos ≤2uV/C) 4 | ||
| AD8676 | PRODUCTION | Ultra Precision, 36 V, 2.8 nV/√Hz Dual RRO Op Amp |
| AD8675 | PRODUCTION | 36 V Precision, 2.8 nV/√Hz Rail-to-Rail Output Op Amp |
| ADA4004-1 | PRODUCTION | 1.8 nV/√Hz, 36 V, Precision Single Op Amp |
| ADA4898-1 | PRODUCTION | High Voltage, Low Noise, Low Distortion, Unity Gain Stable, High Speed Op Amp |
| Series Voltage References 2 | ||
| ADR445 | PRODUCTION | Ultralow Noise, LDO XFET® 5.0V Voltage Reference w/Current Sink and Source |
| ADR4550 | PRODUCTION | Ultra-Low-Noise, High-Accuracy 5.0V Voltage Reference |
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.
Open ToolEvaluation Kits
Evaluating the AD5781/AD5791 18-Bit/20-Bit, ±0.5 LSB INL/±1 LSB INL Voltage Output DACs
Resources
AD5781 Evaluation Board
Resources
Software
Reference Designs
18-Bit, Linear, Low Noise, Precision Bipolar ±10 V DC Voltage Source