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Product Detailed Parameters
- Description：IC DAC 16BIT V-OUT 16LFCSP
- Series：nanoDAC+®
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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-WFQFN Exposed Pad, CSP
- Supplier Device Package：16-LFCSP (3x3)
- Mounting Type：Surface Mount
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Overview
The AD5686BCPZ-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 guarantees monotonicity with a maximum integral nonlinearity (INL) of ±2 LSB for B grade. 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 a power-on reset circuit.
Feature Summary
- Quad 16-bit resolution with ±2 LSB maximum INL (B Grade)
- 50 MHz SPI serial interface with daisy-chain and readback support
- Low power consumption: 1.8 mW typical at 3 V; 4 µA in power-down mode
- User-selectable gain (×1 or ×2) and power-on reset to zero/midscale
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 suffix 'B' corresponds to the required ±2 LSB INL specification. Confirm the 'CPZ' package designation matches the 16-lead LFCSP requirement. Ensure the '-RL7' suffix aligns with the desired reel packaging format for automated assembly processes.
Selection Notes
Select this component when four independent 16-bit channels are required in a compact footprint. The B grade offers tighter linearity accuracy compared to A grade. Consider the external reference input if internal reference options are not needed, as the AD5686 uses an external VREF pin.
Part Context
This part belongs to the AD5686/AD5684 nanoDAC+ family. The AD5686 variant provides 16-bit resolution, whereas the AD5684 provides 12-bit resolution. Both share the same pinout and functionality but differ in data word length and linearity specifications.
Replacement Considerations
The AD5686ARUZ-RL7 is a direct replacement offering the same quad 16-bit SPI interface but in a TSSOP-16 package instead of LFCSP. Verify thermal performance differences between the LFCSP and TSSOP packages during substitution.
