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Product Detailed Parameters
- Description：IC DAC 12BIT V-OUT 16TSSOP
- Series：nanoDAC+®
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Bits：12
- Number of D/A Converters：4
- Settling Time：7µs
- 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)：±0.12, ±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 AD5684BRUZ-RL7 is a quad, 12-bit buffered voltage output digital-to-analog converter (DAC) from the nanoDAC+ family. It features an SPI interface with clock rates up to 50 MHz and operates on a single 2.7 V to 5.5 V supply. The device guarantees monotonicity by design with a maximum integral nonlinearity of ±1 LSB. Key specifications include a settling time of 5 µs, a glitch impulse of 0.5 nV-sec, and low power consumption of 1.8 mW at 3 V. It supports user-selectable gain of 1 or 2 via the GAIN pin and includes per-channel power-down modes reducing current to 4 µA.
Feature Summary
- Quad 12-bit resolution with ±1 LSB maximum INL
- 50 MHz SPI interface with readback and daisy-chain capabilities
- Low power: 1.8 mW typical at 3 V; 4 µA in power-down mode
- High drive capability: 20 mA output current
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 suffix -RL7 indicates reel packaging when sourcing. Confirm that the B grade meets the required accuracy specifications for your application, as A grade offers tighter tolerances. Ensure the TSSOP-16 package footprint matches your PCB layout constraints.
Selection Notes
Select this component if a 12-bit resolution is sufficient for your system requirements. Consider the AD5686 if higher 16-bit precision is needed. Verify that the external reference voltage aligns with the desired output span, especially when using the gain select pin for 0 V to 2×VREF operation.
Part Context
This part belongs to the AD5684/AD5686 nanoDAC+ series, which shares architectural similarities but differs in resolution. The AD5684 provides 12-bit performance compared to the 16-bit AD5686. Both utilize the same TSSOP-16 package and SPI interface, facilitating potential design upgrades within the same form factor.
Replacement Considerations
The AD5684RBRUZ is a compatible alternative featuring an internal reference, whereas the AD5684BRUZ-RL7 requires an external reference. Ensure the replacement matches the required package type and electrical characteristics.
