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Product Detailed Parameters
- Description：IC DAC 16BIT V-OUT 20LFCSP
- Series：nanoDAC+®
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Bits：16
- Number of D/A Converters：8
- Settling Time：8µs
- Output Type：Voltage - Buffered
- Differential Output：No
- Data Interface：I2C
- Reference Type：External
- Voltage - Supply, Analog：2.7V ~ 5.5V
- Voltage - Supply, Digital：1.8V ~ 5.5V
- INL/DNL (LSB)：±1.8, ±0.7
- Architecture：String DAC
- Operating Temperature：-40°C ~ 125°C
- Package / Case：20-WFQFN Exposed Pad, CSP
- Supplier Device Package：20-LFCSP (4x4)
- Mounting Type：Surface Mount
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Overview
The AD5675BCPZ-REEL7 is an octal, 16-bit buffered voltage output digital-to-analog converter (DAC) from Analog Devices. It features a user-selectable gain of 1 or 2 via the GAIN pin, allowing full-scale outputs of VREF or 2 × VREF. The device operates on a single 2.7 V to 5.5 V supply and includes a power-on reset circuit with RSTSEL for zero or midscale initialization. It utilizes a versatile 2-wire I2C-compatible serial interface supporting clock rates up to 400 kHz and logic levels from 1.62 V to 5.5 V. The component is housed in a 20-lead LFCSP package.
Feature Summary
- Octal architecture with eight independent 16-bit DAC channels
- High relative accuracy with maximum INL of ±3 LSB at 16 bits
- User-selectable gain configuration (×1 or ×2) via hardware pin or bit
- Integrated power-on reset ensuring safe startup states
Applications
- Optical transceivers
- Base station power amplifiers
- Process control PLC input/output cards
- Industrial automation systems
- Data acquisition systems
Procurement Notes
Verify the B grade specification for integral nonlinearity (±3 LSB max) against project requirements. Confirm that the LFCSP-20 package footprint matches the PCB layout design. Ensure the external pull-up resistor on the SDA line is compatible with the selected VLOGIC voltage level.
Selection Notes
Select this model when eight synchronized analog outputs are required within a compact surface-mount form factor. The B grade offers tighter linearity specifications compared to the A grade. Verify that the application load does not exceed the capacitive stability limits of 2 nF without a series resistor.
Part Context
This part belongs to the nanoDAC+ family, designed for low-power applications requiring high precision. The 'BCPZ' suffix indicates the B grade performance level and the 20-lead Lead Frame Chip Scale Package (LFCSP). The '-REEL7' designation specifies the tape and reel packaging format for automated assembly.
Replacement Considerations
The AD5675ACPZ-RL serves as a lower-cost alternative with A grade specifications. For SPI interface compatibility, consider the AD5676 series. The AD5675R variant provides an internal reference with higher temperature stability.
