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Product Detailed Parameters
- Description：IC DAC 12BIT V-OUT 16TSSOP
- Series：nanoDAC+®
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Number of Bits：12
- Number of D/A Converters：4
- Settling Time：7µs
- Output Type：Voltage - Buffered
- Differential Output：No
- Data Interface：SPI, DSP
- 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 AD5684RARUZ-RL7 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 supports SPI interfaces up to 50 MHz with readback capabilities. Key electrical parameters include a settling time of 5 µs, ±1 LSB INL, and 90 dB SNR. It is housed in a 16-lead TSSOP package and functions within a temperature range of -40°C to +105°C.
Feature Summary
- Quad 12-bit resolution with ±1 LSB maximum Integral Nonlinearity (INL).
- Integrated 2.5 V reference with 2 ppm/°C typical temperature coefficient.
- 50 MHz SPI interface with 1.8 V logic compatibility and readback functionality.
- User-selectable gain of 1 or 2 via the GAIN pin for full-scale outputs of 2.5 V or 5 V.
Applications
- Optical transceivers
- Base-station power amplifiers
- Process control PLC I/O cards
- Industrial automation systems
- Data acquisition systems
Procurement Notes
Verify the specific ordering suffix RL7 corresponds to reel packaging when sourcing. Confirm that the RARUZ designation matches the required TSSOP-16 package variant. Ensure the component grade (A or B) meets the application's accuracy requirements regarding INL and offset error specifications.
Selection Notes
Select this component for applications requiring four independent 12-bit channels with high relative accuracy. The internal reference simplifies design by eliminating external components, provided the 2.5 V nominal output aligns with system needs. Verify that the 50 MHz SPI clock rate is compatible with the host microcontroller's digital interface capabilities.
Part Context
This part belongs to the AD5684R series, which includes variants with different resolutions and interfaces. The AD5684R specifically denotes the 12-bit SPI version with an internal reference. Other family members include the AD5686R (16-bit), AD5685R (14-bit), and I2C-based counterparts like the AD5694R.
Replacement Considerations
Direct functional substitutes within the same package and specification profile are not explicitly listed in the provided documentation. Cross-model replacements such as the AD5685R or AD5686R offer higher resolution but may require software adjustments due to different bit depths.
