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Product Detailed Parameters
- Description：IC DAC 16BIT V-OUT 14TSSOP
- Series：nanoDAC®
- Mfr：Analog Devices Inc.
- Package：Tube
- Number of Bits：16
- Number of D/A Converters：4
- Settling Time：7µs
- Output Type：Voltage - Buffered
- Differential Output：No
- Data Interface：I2C
- Reference Type：External
- 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：14-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：14-TSSOP
- Mounting Type：Surface Mount
- Grade：-
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Overview
The AD5665BRUZ is a quad, 16-bit buffered voltage-output digital-to-analog converter (DAC) from the nanoDAC family. It operates on a single 2.7 V to 5.5 V supply and features an I2C-compatible serial interface supporting standard (100 kHz), fast (400 kHz), and high-speed (3.4 MHz) modes. The device includes hardware LDAC and CLR functions, per-channel power-down capability, and a power-on reset circuit ensuring outputs start at zero scale or midscale. It is guaranteed monotonic by design and housed in a 14-lead TSSOP package.
Feature Summary
- Quad 16-bit resolution with rail-to-rail output swing
- I2C-compatible serial interface with up to 3.4 MHz clock speed
- Hardware LDAC and asynchronous CLR functions
- Per-channel power-down mode for low power consumption
Applications
- Process control systems
- Data acquisition systems
- Portable battery-powered instruments
- Digital gain and offset adjustment circuits
- Programmable voltage and current sources
Procurement Notes
Verify the specific grade (A or B) required for accuracy specifications such as relative accuracy and linearity. Confirm that the 14-lead TSSOP package matches the target PCB footprint. Ensure the design supports the I2C bus capacitance limits if operating in high-speed mode, as timing specifications vary based on bus capacitance.
Selection Notes
Select this component when four independent 16-bit voltage outputs are needed in a compact form factor. The AD5665BRUZ requires an external reference voltage, unlike the R-suffix variants which include an on-chip reference. Verify that the system logic levels align with the specified VINL and VINH thresholds for the chosen supply voltage.
Part Context
This part belongs to the nanoDAC family, which also includes the AD5625R/AD5645R/AD5665R (with internal reference) and AD5625/AD5665 (external reference only). The BRUZ suffix indicates the B grade performance level and the 14-lead TSSOP packaging. Other family members offer different resolutions or pin counts, such as the dual-channel AD5627R.
Replacement Considerations
The AD5665BRUZ-REEL7 is the same device in tape-and-reel packaging. For devices with an integrated reference, consider the AD5665RBRUZ. SPI-based alternatives in the same family include the AD5664R series.
