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Product Detailed Parameters
- Description：IC DAC 18BIT V-OUT 8LFCSP-WD
- Series：nanoDAC®
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- 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：8-WDFN, CSP
- Supplier Device Package：8-LFCSP-WD (3x3)
- Mounting Type：Surface Mount
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Overview
The AD5680BCPZ-2RL7 is a single-channel, buffered voltage-output digital-to-analog converter (DAC) from the nanoDAC family. It features 18-bit resolution and guaranteed 12-bit accuracy within an 8-lead SOT-23 package. Operating on a single 4.5 V to 5.5 V supply, it consumes typically 1.6 mW at 5 V. The device includes a power-on reset circuit that initializes the output to midscale upon startup. It utilizes a versatile 3-wire serial interface compatible with SPI, QSPI, MICROWIRE, and DSP standards, supporting clock rates up to 30 MHz.
Feature Summary
- 18-bit monotonic resolution with guaranteed 12-bit accuracy
- Tiny 8-lead SOT-23 package for space-constrained designs
- Power-on reset to midscale (AD5680-2 variant)
- Rail-to-rail output operation with external reference input
Applications
- Closed-loop process control systems
- Low bandwidth data acquisition applications
- Portable battery-powered instruments
- Precision setpoint control circuits
Procurement Notes
Verify the suffix '2' in the part number AD5680BCPZ-2RL7 confirms the midscale power-on reset function. Ensure the ordering code matches the specific reel quantity required for production. Confirm RoHS compliance status as per the latest manufacturer documentation before procurement.
Selection Notes
Select this component when high resolution is required in a minimal footprint. The 18-bit resolution allows for fine control, while the 12-bit accuracy ensures reliable performance. Choose the AD5680-2 variant if a known midscale output state is necessary immediately after power-up. Ensure the system operates within the 4.5 V to 5.5 V supply range.
Part Context
This part belongs to the AD5680 nanoDAC series, designed for precision analog output applications. It shares architectural similarities with other members like the AD5662 but offers higher resolution. The B grade indicates industrial temperature performance (-40°C to +105°C). The CPZ suffix denotes the lead-free SOT-23 package type.
Replacement Considerations
The AD5680BCPZ-1RL7 is a direct functional substitute differing only in the power-on reset behavior, initializing to zero scale instead of midscale. Other related devices include the AD5662 for 16-bit requirements or the AD5062 for lower voltage operation.
