Features and Benefits
- Low drift 2.5 V reference:
2 ppm/°C typical
- Tiny package: 3 mm × 3 mm,
- Total unadjusted error (TUE): ±0.1% of FSR maximum
- Offset error: ±1.5 mV maximum
- Gain error: ±0.1% of FSR maximum
- High drive capability: 20 mA, 0.5 V from supply rails
- User selectable gain of 1 or 2 (GAIN pin)
- Reset to zero scale or midscale (RSTSEL pin)
- 1.8 V logic compatibility
- Low glitch: 0.5 nV-sec
- 400 kHz I2C-compatible serial interface
- See data sheet for additional features
The AD5338R, a member of the nanoDAC® family is a low power, dual, 10-bit buffered voltage output DAC. The device includes a 2.5 V, 2 ppm/°C internal reference (enabled by default) and a gain select pin giving a full-scale output of 2.5 V (gain = 1) or 5 V (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 1.5 mV offset error performance. The device is available in a 3 mm × 3 mm LFCSP and a TSSOP package.
The AD5338R also incorporates a power-on reset circuit and a RSTSEL pin that ensures that the DAC outputs power up to zero scale or midscale and remain there until a valid write takes place. Each part contains a per-channel power-down feature that reduces the current consumption of the device to 4 μA at 3 V while in power-down mode.
The AD5338R uses a versatile 2-wire serial interface that operates at clock rates up to 400 kHz, and includes a VLOGIC pin intended for 1.8 V/3 V/5 V logic.
- Excellent DC Performance:
Total Unadjusted Error: ±0.1% of FSR maximum
- Low Drift On-Chip Reference:
2.5V, 2 ppm/°C typical temperature coefficient
- Two Package Options:
3 mm × 3 mm, 16-lead LFCSP or 16-lead TSSOP
- Optical transceivers
- Base-station power amplifiers
- Process control (PLC I/O cards)
- Industrial automation
- Data acquisition systems
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.
Evaluation Kits (1)
The evaluation board is designed to help users quickly prototype new AD5338R circuits and reduce design time. The AD5338R operates from a single 2.7 V to 5.5 V supply.
Full details can be found in the AD5338R data sheet, which must be consulted in conjunction with user guide UG-979 when using the evaluation board.
The evaluation board interfaces to the USB port of a PC via the SDP-B board. Software is available for download from the EVAL-AD5338RDBZ evaluation board page to allow the user to program the AD5338R.
Documentation & Resources
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.
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|
|AD5338RBCPZ-RL7||Material Declaration||Reliability Data||16-Lead LFCSP (3mm x 3mm w/ EP)|
|AD5338RBRUZ||Material Declaration||Reliability Data||16-Lead TSSOP|
|AD5338RBRUZ-RL7||Material Declaration||Reliability Data||16-Lead TSSOP|
|Wafer Fabrication Data|
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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.