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Product Detailed Parameters
- Description：IC DAC 12BIT V-OUT 16TSSOP
- Series：nanoDAC+®
- Mfr：Analog Devices Inc.
- Package：Tube
- Number of Bits：12
- Number of D/A Converters：4
- Settling Time：7µs
- Output Type：Voltage - Buffered
- Differential Output：No
- Data Interface：I2C
- Reference Type：External, Internal
- Voltage - Supply, Analog：2.7V ~ 5.5V
- Voltage - Supply, Digital：1.8V ~ 5.5V
- INL/DNL (LSB)：±0.12, ±1 (Max)
- Architecture：String DAC
- Operating Temperature：-40°C ~ 105°C
- Package / Case：16-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：16-TSSOP
- Mounting Type：Surface Mount
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Overview
The AD5694RARUZ is a quad, 12-bit buffered voltage output digital-to-analog converter (DAC) from the nanoDAC+ family. It features an internal 2.5 V reference with a typical drift of 2 ppm/°C and operates on a single 2.7 V to 5.5 V supply. The device includes a user-selectable gain pin for full-scale outputs of 2.5 V or 5 V. It utilizes a 400 kHz I2C-compatible serial interface and supports 1.8 V logic compatibility via the VLOGIC pin. Key performance metrics include a settling time of 7 µs, low glitch impulse of 0.5 nV-sec, and power consumption of 3.3 mW at 3 V.
Feature Summary
- Quad 12-bit resolution with ±0.12 LSB relative accuracy (Grade B)
- Integrated 2.5 V reference with 2 ppm/°C typical temperature coefficient
- User-selectable gain (×1 or ×2) via GAIN pin for 2.5 V or 5 V full-scale output
- Power-on reset circuit with RSTSEL pin for zero scale or midscale initialization
Applications
- Optical transceivers
- Base-station power amplifiers
- Process control PLC I/O cards
- Industrial automation systems
- Data acquisition systems
Procurement Notes
Verify the specific grade (A or B) required for your application, as specifications like relative accuracy vary between grades. Confirm the package type (TSSOP) and ensure the ordering suffix matches the desired reel quantity if applicable. Check for RoHS compliance status in the latest manufacturer documentation before finalizing procurement.
Selection Notes
Select the AD5694RARUZ when four independent 12-bit channels are needed with high accuracy and low drift. Ensure the system requires an I2C interface and can accommodate the 16-lead TSSOP package. Consider the power-down feature for applications requiring reduced current consumption during idle periods.
Part Context
The AD5694RARUZ belongs to the AD569xR family, which also includes the 16-bit AD5696R and 14-bit AD5695R variants. These devices share similar architectures, interfaces, and packaging options, allowing for design flexibility across different resolution requirements within the same product line.
Replacement Considerations
Direct replacements within the same family include the AD5696RARUZ (16-bit) and AD5695RARUZ (14-bit), provided higher resolution is acceptable. For external reference configurations, consider the non-RU suffix versions like AD5694ARUZ.
