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Product Detailed Parameters
- Description：IC DAC 12BIT V-OUT 28DIP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube,Tube
- Number of Bits：12
- Number of D/A Converters：4
- Settling Time：10µs
- Output Type：Voltage - Buffered
- Differential Output：No
- Data Interface：Parallel
- Reference Type：External
- Voltage - Supply, Analog：±11.4V ~ 16.5V
- Voltage - Supply, Digital：5V
- INL/DNL (LSB)：±0.5, ±0.5 (Max)
- Architecture：R-2R
- Operating Temperature：0°C ~ 70°C
- Package / Case：28-DIP (0.600", 15.24mm)
- Supplier Device Package：28-PDIP
- Mounting Type：Through Hole
- Grade：-
- Qualification：-
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Overview
The AD664KN-UNI is a quad 12-bit digital-to-analog converter (DAC) manufactured by Analog Devices Inc. It features an R-2R resistor ladder architecture with buffered voltage outputs. The device operates on a single +5V digital supply and requires dual analog supplies ranging from ±11.4V to ±16.5V. Key electrical specifications include a maximum settling time of 10µs, integral nonlinearity (INL) of ±0.5 LSB, and differential nonlinearity (DNL) of ±0.5 LSB. It is housed in a 28-pin CDIP package designed for through-hole mounting.
Feature Summary
- Quad 12-bit resolution with R-2R architecture
- Buffered voltage outputs for direct drive capability
- ±0.5 LSB maximum INL and DNL accuracy
- 10µs maximum settling time
Applications
- Industrial process control systems requiring multi-channel signal generation
- Test and measurement equipment needing precise analog output
- Data acquisition systems utilizing parallel digital interfaces
Procurement Notes
Verify the specific suffix 'UNI' against the manufacturer's official datasheet to confirm pinout compatibility and functional equivalence with standard commercial or industrial grade variants. Confirm RoHS compliance status as historical data may vary by production batch. Ensure the 28-CDIP package dimensions match the target PCB footprint before procurement.
Selection Notes
Select this component when a quad-channel DAC with 12-bit resolution and buffered outputs is required. Verify that the system can accommodate the ±11.4V to ±16.5V analog supply range. Ensure the design supports parallel data interfacing and allows sufficient time for the 10µs settling period. Compare INL/DNL specifications against application tolerance requirements.
Part Context
The AD664 belongs to the AD664 family of high-speed, low-power quad DACs. The KN suffix typically denotes a military or extended temperature grade variant, while UNI indicates a specific packaging or qualification configuration. This part serves as a legacy solution for applications transitioning from older DAC technologies.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Evaluate cross-referencing with other Analog Devices quad DAC families such as the AD784 series, ensuring pinout and electrical parameter alignment.
