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AD5686R
Quad, 16-Bit nanoDAC+™ with 2 ppm/°C On-Chip Reference and SPI Interface
Overview
Features and Benefits
- High relative accuracy (INL): ±2 LSB maximum at 16-bits
- Low drift 2.5 V reference:: 2 ppm/°C typical
- Tiny package: 3 mm × 3 mm, 16-lead LFCSP or TSSOP
- Total unadjusted error (TUE): 0.1% of FSR maximum
- Offset error: 1.5 mV maximum
- Gain error: 0.1 % of FSR maximum
- See data sheet for additional features
- Download AD5686R-EP Data Sheet (pdf)
- Temperature range: −55°C to +125°C
- Controlled manufacturing baseline
- 1 assembly/test site
- 1 fabrication site
- Enhanced product change notification
- Qualification data available on request
- V62/14335 DSCC Drawing Number
Product Details
The AD5686R nanoDAC+™ is a quad, 16-bit, rail-to-rail, voltage output DAC. The device includes a 2.5V, 2ppm/˚C internal reference (enabled by default) and a gain select pin giving a full-scale output of 2.5V (gain=1) or 5V (gain=2).
The device operates from a single 2.7 V to 5.5 V supply, is guaranteed monotonic by design and exhibits less than 0.1% FSR gain error and 1.5mV offset error performance. The device is available in a 3mm X 3mm LFCSP and a TSSOP package.
The AD5686R also incorporates a power-on-reset circuit and a RSTSEL pin that ensures the DAC outputs power up to zero-scale or midscale, and remain there until a valid write takes place. Each device contains a per-channel power-down feature that reduces the current consumption of the device to 4 uA at 3 V while in power-down mode.
The AD5686R employs a versatile SPI interface that operates at clock rates up to 50 MHz and includes a VLOGIC pin intended for 1.8V/3V/5V logic.
Product Highlights
- High Relative Accuracy: AD5686R (16-bit): ±2LSB INL max
- Low drift on-chip reference: 2.5 V, 2 ppm/°C temperature drift.
- Two package options: 3mm × 3mm 16 lead LFCSP or 16 lead TSSOP
Applications
- Optical transceivers
- Base-station power amplifiers
- Process control (PLC I/O cards)
- Industrial automation
- Data acquisition systems
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Product Lifecycle
Recommended for New Designs
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
Evaluation Kits (1)
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LTspice
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Models for the following parts are available in LTspice:
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.
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Reference Designs (1)
Reference Materials
AD5686R nanoDAC+™: Huge Performance in a Tiny Package!
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Technical Articles (2)
Design Resources
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