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Product Detailed Parameters
- Description：IC DAC 16BIT V-OUT 16TSSOP
- Series：nanoDAC+®
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- 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-RL7 is a quad, 16-bit buffered voltage output Digital-to-Analog Converter (DAC) from the nanoDAC+ family. It features an SPI interface with readback capability and operates on a single 2.7 V to 5.5 V supply. The device provides high relative accuracy with a maximum Integral Nonlinearity (INL) of ±2 LSB at 16 bits. Key electrical parameters include a typical settling time of 8 µs, a low glitch impulse of 0.5 nV-sec, and a total unadjusted error (TUE) of ±0.1% of Full Scale Range (FSR). It supports user-selectable gain of 1 or 2 via the GAIN pin.
Feature Summary
- Quad 16-bit resolution with ±2 LSB maximum INL
- SPI interface supporting up to 50 MHz clock rates
- Rail-to-rail buffered outputs with 20 mA drive capability
- Power-on reset circuit with RSTSEL pin for zero/midscale initialization
Applications
- Programmable attenuators
- Process control I/O cards
- Industrial automation systems
- Data acquisition systems
Procurement Notes
Verify the suffix -RL7 indicates tape and reel packaging when sourcing. Confirm the B grade designation corresponds to the specified accuracy limits in the datasheet. Ensure the TSSOP-16 package matches the target PCB footprint. Check for RoHS compliance status as required by local regulations.
Selection Notes
Select this component for applications requiring four independent 16-bit analog outputs with high DC accuracy. The external reference input requires a separate voltage reference IC if internal precision is needed. Verify that the load capacitance does not exceed stability limits without additional buffering. Consider the 50 MHz SPI speed for high-throughput data acquisition requirements.
Part Context
This part belongs to the AD5686/AD5684 family, which includes 16-bit and 12-bit variants. The AD5686 offers 16-bit resolution, while the AD5684 provides 12-bit resolution. Both share similar pinouts and functionality but differ in accuracy specifications and code ranges. The BRUZ-RL7 variant specifically denotes the B grade performance level in TSSOP-16 packaging.
Replacement Considerations
The AD5684BRUZ-RL7 is a compatible alternative offering 12-bit resolution. Other quad DACs from the nanoDAC+ family may require interface or pinout adjustments. Verify compatibility with existing SPI logic levels and reference voltage configurations before substitution.
