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Product Detailed Parameters
- Description：IC DAC 18BIT V-OUT SOT23-8
- Series：nanoDAC®
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Bits：18
- Number of D/A Converters：1
- Settling Time：85µs
- Output Type：Voltage - Buffered
- Differential Output：No
- Data Interface：SPI, DSP
- Reference Type：External
- Voltage - Supply, Analog：5V
- Voltage - Supply, Digital：5V
- INL/DNL (LSB)：±32, ±2 (Max)
- Architecture：String DAC
- Operating Temperature：-40°C ~ 105°C
- Package / Case：SOT-23-8
- Supplier Device Package：SOT-23-8
- Mounting Type：Surface Mount
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Overview
The AD5680BRJZ-2500RL7 is a single-channel, 18-bit buffered voltage-output digital-to-analog converter (DAC) from the nanoDAC family. It operates on a single 4.5 V to 5.5 V supply and features an internal power-on reset circuit that ensures the output initializes to zero scale. The device utilizes a resistor string architecture with an interpolator to achieve 18-bit resolution while guaranteeing 12-bit accuracy. It incorporates a rail-to-rail output amplifier and supports serial interfaces including SPI, QSPI, MICROWIRE, and DSP standards via a 3-wire connection.
Feature Summary
- 18-bit monotonic resolution with guaranteed 12-bit relative accuracy
- Rail-to-rail output swing with integrated precision output buffer
- Power-on reset to zero scale or midscale for safe initialization
- Versatile 3-wire serial interface compatible with standard protocols
Applications
- Closed-loop process control systems
- Low bandwidth data acquisition applications
- Portable battery-powered instruments
- Precision setpoint control circuits
Procurement Notes
Verify the specific suffix against the manufacturer's ordering guide to confirm the power-on reset state. The BRJZ designation indicates the industrial temperature range and SOT-23 package. Confirm RL7 packaging details with the distributor as specifications are subject to change without notice.
Selection Notes
Select this component when high resolution is required in a compact footprint. Ensure the application can accommodate the external reference voltage input, as the part does not include an internal reference. Verify that the system logic levels are compatible with the specified VINH and VINL thresholds for reliable serial communication.
Part Context
This device belongs to the AD5680 nanoDAC family, which provides high-resolution conversion in small packages. Related devices include the AD5662, a 16-bit variant in the same form factor. The AD5680 distinguishes itself through its 18-bit interpolation architecture and robust rail-to-rail output capabilities within the SOT-23 enclosure.
Replacement Considerations
The AD5662 serves as a lower-resolution alternative within the same package family. When substituting, verify that the reduced 16-bit resolution meets the system accuracy requirements and that the pinout remains compatible.
