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Product Detailed Parameters
- Description：IC DAC 16BIT V-OUT 16TSSOP
- Series：nanoDAC+®
- Mfr：Analog Devices Inc.
- Package：Tube
- Number of Bits：16
- Number of D/A Converters：4
- Settling Time：8µs
- Output Type：Voltage - Buffered
- Differential Output：No
- Data Interface：SPI
- Reference Type：External
- Voltage - Supply, Analog：2.7V ~ 5.5V
- Voltage - Supply, Digital：1.8V ~ 5.5V
- INL/DNL (LSB)：±2, ±1 (Max)
- Architecture：String DAC
- Operating Temperature：-40°C ~ 105°C
- Package / Case：16-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：16-TSSOP
- Mounting Type：Surface Mount
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Overview
The AD5686BRUZ 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 SPI interface with clock rates up to 50 MHz. The device includes a user-selectable gain pin for full-scale outputs of 2.5 V or 5 V and a power-on reset circuit ensuring zero or midscale startup. Key electrical specifications include a maximum integral nonlinearity (INL) of ±2 LSB, a settling time of 5 µs, and a typical operating current of 0.59 mA.
Feature Summary
- Quad 16-bit resolution with ±2 LSB maximum INL
- 50 MHz SPI serial interface with readback capability
- User-selectable gain of 1 or 2 via GAIN pin
- Power-down mode reduces current consumption to 4 µA
Applications
- Digital gain and offset adjustment
- Programmable attenuators
- Process control PLC I/O cards
- Industrial automation systems
- Data acquisition systems
Procurement Notes
Verify the specific grade (A or B) required for your application, as performance parameters like INL vary between grades. Confirm the package type matches your PCB design, as the part is available in both TSSOP-16 and LFCSP packages. Ensure the external reference voltage aligns with the device's input range requirements.
Selection Notes
Select the AD5686BRUZ when four independent 16-bit channels are needed with high relative accuracy. Choose this part over the AD5684 if higher resolution is required. Consider the AD5686R variant if an internal reference is preferred over an external one. Verify that the load impedance and capacitance requirements fall within the stability limits specified in the datasheet.
Part Context
The AD5686BRUZ belongs to the nanoDAC+ family, which emphasizes low power consumption and small form factors. It shares architectural similarities with the AD5684 (12-bit version) but offers higher precision. The 'B' suffix typically denotes a specific temperature or accuracy grade within the Analog Devices portfolio.
Replacement Considerations
The AD5684BRUZ is a compatible alternative if 12-bit resolution is sufficient. For devices with integrated references, consider the AD5686RBRUZ. Check pin compatibility and software register maps before substituting.
