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Product Detailed Parameters
- Description：IC DAC 16BIT V-OUT 14TSSOP
- Series：nanoDAC®
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Number of Bits：16
- Number of D/A Converters：4
- Settling Time：7µs
- Output Type：Voltage - Buffered
- Differential Output：No
- Data Interface：I2C
- Reference Type：External, Internal
- Voltage - Supply, Analog：2.7V ~ 5.5V
- Voltage - Supply, Digital：2.7V ~ 5.5V
- INL/DNL (LSB)：±8, ±1 (Max)
- Architecture：String DAC
- Operating Temperature：-40°C ~ 105°C
- Package / Case：14-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：14-TSSOP
- Mounting Type：Surface Mount
- Grade：-
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Overview
The AD5665RBRUZ-1REEL7 is a quad, 16-bit buffered voltage-output digital-to-analog converter (DAC) from the nanoDAC family by Analog Devices. It features an on-chip 2.5 V reference with 5 ppm/°C temperature coefficient in the TSSOP package, enabling a 0 V to 5 V output range. Operating on a single 2.7 V to 5.5 V supply, it supports I2C-compatible serial interfaces at standard (100 kHz), fast (400 kHz), and high-speed (3.4 MHz) modes. Key specifications include ±8 LSB relative accuracy, guaranteed monotonicity, and per-channel power-down capabilities.
Feature Summary
- Quad 16-bit resolution with rail-to-rail buffered voltage outputs
- On-chip 2.5 V precision reference (5 ppm/°C in TSSOP)
- I2C interface supporting standard, fast, and high-speed modes
- Power-on reset to zero scale or midscale via POR pin configuration
Applications
- Process control systems
- Data acquisition systems
- Portable battery-powered instruments
- Digital gain and offset adjustment circuits
- Programmable voltage and current sources
Procurement Notes
Verify the specific ordering suffix '1' against the manufacturer's official documentation, as standard listings typically use suffixes like 'REEL7'. Confirm package type (TSSOP-14) and grade (A or B) availability. Ensure compatibility with I2C bus capacitance limits for high-speed mode operation.
Selection Notes
Select this component for applications requiring low power consumption and small footprint. The TSSOP version provides a tighter reference tolerance (5 ppm/°C) compared to LFCSP versions (10 ppm/°C). Ensure the system voltage falls within the 2.7 V to 5.5 V range and that the I2C clock speed requirements match the device's supported modes.
Part Context
This part belongs to the AD5625R/AD5645R/AD5665R series of nanoDACs. It shares pinouts and functionality with the AD5625R (12-bit) and AD5645R (14-bit) variants, offering a scalable solution for multi-channel DAC needs. The 'R' suffix indicates the inclusion of an internal reference, distinguishing it from the external-reference-only AD5665 variant.
Replacement Considerations
Direct substitutes include AD5665RBRUZ (tube packaging) or AD5665RBCPZ (LFCSP package). For SPI interface alternatives, consider the AD5664R series. Verify that any replacement maintains the same 16-bit resolution and I2C compatibility if software migration is not planned.
