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Product Detailed Parameters
- Description：IC DAC 12BIT V-OUT 10MSOP
- Series：nanoDAC+®
- Mfr：Analog Devices Inc.
- Package：Tube
- Number of Bits：12
- Number of D/A Converters：1
- Settling Time：7µs
- Output Type：Voltage - Buffered
- Differential Output：No
- Data Interface：SPI
- Reference Type：External, Internal
- Voltage - Supply, Analog：2.7V ~ 5.5V
- Voltage - Supply, Digital：1.8V ~ 5.5V
- INL/DNL (LSB)：±1 (Max), ±1 (Max)
- Architecture：String DAC
- Operating Temperature：-40°C ~ 105°C
- Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：10-MSOP
- Mounting Type：Surface Mount
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Overview
The AD5681RBRMZ is a single-channel, 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 guarantees ±1 LSB INL and DNL, ensuring monotonicity by design. It utilizes a versatile 3-wire SPI interface supporting clock rates up to 50 MHz. Key specifications include a settling time of 5 µs, low glitch impulse of 0.1 nV-sec, and high drive capability of 20 mA. The component is housed in a compact 10-lead MSOP package.
Feature Summary
- 12-bit resolution with ±1 LSB maximum INL and DNL
- Internal 2.5 V reference with 2 ppm/°C typical temperature coefficient
- Programmable output span: 0 V to VREF or 0 V to 2 × VREF
- 3-wire SPI serial interface with 50 MHz clock rate
Applications
- Process controls
- Data acquisition systems
- Digital gain and offset adjustment
- Programmable voltage sources
Procurement Notes
Verify the specific suffix against the manufacturer's ordering guide to confirm pinout options such as VLOGIC or RESET availability. Confirm that the selected variant matches the required logic voltage range and package type for the target application design.
Selection Notes
Select this component when a single-channel DAC with 12-bit precision and integrated low-drift reference is required. Ensure the system supports the 3-wire SPI protocol and that the 2.7 V to 5.5 V supply range aligns with the power architecture. Consider the 10-lead MSOP package constraints for PCB layout.
Part Context
The AD5681RBRMZ belongs to the nanoDAC+ family, which includes 16-bit (AD5683R), 14-bit (AD5682R), and 12-bit (AD5681R) variants. These devices share similar architectures and interfaces but differ in resolution and accuracy grades. The AD5681R specifically targets applications requiring 12-bit performance with tight linearity specifications.
Replacement Considerations
Direct substitutes within the same family include AD5682R (14-bit) and AD5683R (16-bit). For external reference configurations, the AD5683 is available. Verify pin compatibility and software register mapping when transitioning between these variants.
