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Product Detailed Parameters
- Description：IC DAC 16BIT V-OUT 16TSSOP
- Series：nanoDAC+®
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Bits：16
- Number of D/A Converters：2
- Settling Time：8µs
- 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：1.8V ~ 5.5V
- INL/DNL (LSB)：±1, ±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 AD5689RBRUZ-RL7 is a dual, 16-bit buffered voltage output digital-to-analog converter (DAC) from the nanoDAC+ family. It features an internal 2.5 V reference with a typical temperature coefficient of 2 ppm/°C and operates on a single 2.7 V to 5.5 V supply. The device supports a 50 MHz SPI interface with readback or daisy-chain capabilities and includes a user-selectable gain pin for full-scale outputs of 2.5 V or 5 V. Key performance metrics include ±2 LSB maximum relative accuracy (INL), 5 µs settling time, and low power consumption of 3.3 mW at 3 V. It is housed in a 16-lead TSSOP package.
Feature Summary
- Dual-channel 16-bit resolution with ±2 LSB maximum INL
- Internal 2.5 V reference with 2 ppm/°C typical drift
- 50 MHz SPI interface with 1.8 V logic compatibility
- High drive capability: 20 mA output current
Applications
- Optical transceivers
- Base station power amplifiers
- Process control (PLC I/O cards)
- Industrial automation
- Data acquisition systems
Procurement Notes
Verify the suffix -RL7 indicates reel packaging when sourcing. Confirm the B grade designation matches required accuracy specifications. Ensure the TSSOP-16 package variant aligns with PCB footprint requirements. Check for AEC-Q100 automotive qualification if applicable to the end application.
Selection Notes
Select this component for applications requiring high precision dual-channel conversion with minimal external components. The internal reference eliminates the need for external voltage references. Consider the GAIN pin configuration to determine if a 0–2.5 V or 0–5 V output span is needed. Verify that the 50 MHz SPI speed meets the system's data throughput requirements.
Part Context
This part belongs to the AD5689R/AD5687R nanoDAC+ family, which offers low-power, high-accuracy solutions. The AD5689R specifically provides 16-bit resolution, whereas the AD5687R offers 12-bit resolution. Both share similar interfaces and package options but differ in linearity and resolution specifications.
Replacement Considerations
The AD5689RBCPZ-RL7 is a direct functional substitute using a 16-lead LFCSP package instead of TSSOP. Other family members like the AD5687R offer lower resolution. Ensure pinout compatibility and thermal characteristics are reviewed when switching packages.
