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Product Detailed Parameters
- Description：IC DAC 16BIT V-OUT 16LFCSP
- Series：denseDAC
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Bits：16
- Number of D/A Converters：8
- 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：2.7V ~ 5.5V
- INL/DNL (LSB)：±8, ±1 (Max)
- Architecture：String DAC
- Operating Temperature：-40°C ~ 105°C
- Package / Case：16-WQFN Exposed Pad, CSP
- Supplier Device Package：16-LFCSP-WQ (4x4)
- Mounting Type：Surface Mount
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Overview
The AD5668BCPZ-2-RL7 is an octal, 16-bit, buffered voltage-output digital-to-analog converter (DAC) from Analog Devices. It operates on a single 2.7 V to 5.5 V supply and features an on-chip 2.5 V reference with 5 ppm/°C temperature coefficient, providing a 5 V full-scale output range. The device includes a power-on reset circuit that defaults outputs to midscale upon startup. It supports a versatile 3-wire serial interface compatible with SPI, QSPI, Microwire, and DSP standards, with clock rates up to 50 MHz. Key electrical specifications include ±1 LSB differential nonlinearity, ±16 LSB integral nonlinearity, and a settling time of 7 µs. The component is housed in a 16-lead LFCSP package.
Feature Summary
- Octal architecture with eight independent 16-bit DAC channels
- Integrated 2.5 V internal reference with 5 ppm/°C stability
- Power-on reset function ensuring midscale output initialization
- Low power consumption with 400 nA current draw in power-down mode at 5 V
Applications
- Process control systems
- Data acquisition systems
- Portable battery-powered instruments
- Programmable voltage and current sources
Procurement Notes
Verify the specific suffix '-2' confirms the inclusion of the 2.5 V internal reference for a 5 V output span. Confirm the 'CPZ' designation corresponds to the 16-lead LFCSP package type. Ensure the '-RL7' suffix matches the required reel packaging quantity for production integration.
Selection Notes
Select this component when eight simultaneous analog outputs are required with high resolution. The integrated 2.5 V reference simplifies design by eliminating external precision references. Verify that the 5 V full-scale output range aligns with downstream system requirements. Consider the LFCSP package thermal characteristics for PCB layout optimization.
Part Context
This part belongs to the AD5628/AD5648/AD5668 denseDAC family, which offers pin-compatible options for 12-bit, 14-bit, and 16-bit resolutions. The AD5668 variant provides the highest resolution within this series. The 'B' grade indicates specific linearity accuracy limits defined in the datasheet specifications.
Replacement Considerations
The AD5668BRUZ-2 is a pin-compatible alternative available in a 16-lead TSSOP package. Designers requiring a surface-mount leaded package may substitute this part while maintaining functional compatibility.
