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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：I2C
- Reference Type：External, Internal
- 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 AD5696RACPZ-RL7 is a quad, 16-bit buffered voltage output Digital-to-Analog Converter (DAC) from the nanoDAC+ family. It integrates a high-accuracy 2.5 V internal reference with a typical drift of 2 ppm/°C and operates on a single 2.7 V to 5.5 V supply. The device features a 400 kHz I2C-compatible serial interface, user-selectable gain of 1 or 2, and power-on reset logic for zero-scale or midscale initialization. Packaged in a 3 mm × 3 mm LFCSP, it delivers ±2 LSB maximum INL, 20 mA drive capability, and low power consumption.
Feature Summary
- Quad 16-bit resolution with ±2 LSB maximum relative accuracy (INL).
- Integrated 2.5 V reference with 2 ppm/°C typical temperature coefficient.
- User-selectable gain (×1 or ×2) via GAIN pin for 0–2.5 V or 0–5 V spans.
- Power-on reset circuit with RSTSEL pin for zero-scale or midscale startup.
Applications
- Optical transceivers
- Base-station power amplifiers
- Process control PLC I/O cards
- Industrial automation systems
- Data acquisition systems
Procurement Notes
Verify the package type matches the application requirements; this specific suffix indicates the LFCSP variant. Confirm that the internal reference meets the system's noise and drift specifications without external components. Ensure the I2C bus pull-up resistors are selected correctly for the operating voltage and speed.
Selection Notes
Select this component when four independent 16-bit outputs are required in a compact footprint. The integrated reference simplifies design but requires checking if the 2.5 V span fits the signal range. For higher precision or lower noise, an external reference may be needed despite the internal option being available by default.
Part Context
This part belongs to the AD5696R/AD5695R/AD5694R family, differentiated primarily by resolution (16/14/12 bits). The 'R' suffix denotes the inclusion of an internal reference, while 'ACPZ' specifies the 16-lead LFCSP package. Other variants like AD5696ACPZ lack the internal reference.
Replacement Considerations
The AD5696ACPZ serves as a direct functional substitute if an external reference is utilized in the design. The AD5695RACPZ offers 14-bit resolution, and the AD5694RACPZ provides 12-bit resolution, both sharing the same package and interface.
