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Product Detailed Parameters
- Description：IC DAC 12BIT QUAD UNIPOL 28CDIP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Bulk,Tube
- Number of Bits：-
- Number of D/A Converters：-
- Settling Time：-
- Output Type：-
- Differential Output：-
- Data Interface：-
- Reference Type：-
- Voltage - Supply, Analog：-
- Voltage - Supply, Digital：-
- INL/DNL (LSB)：-
- Architecture：-
- Operating Temperature：-
- Package / Case：-
- Supplier Device Package：-
- Mounting Type：-
- Grade：-
- Qualification：-
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Overview
The AD664TD-UNI/883B is a military-grade quad 12-bit digital-to-analog converter (DAC) manufactured by Analog Devices Inc. It features four independent voltage-output channels with parallel data interfaces and an R-2R architecture. The device operates on analog supply voltages ranging from ±11.4 V to ±16.5 V and a 5 V digital supply. Key performance metrics include a settling time of 10 µs, differential nonlinearity (DNL) of ±0.5 LSB, and integral nonlinearity (INL) of ±0.25 LSB. It is housed in a 28-lead SB-CDIP package and supports an operating temperature range of -55°C to +125°C.
Feature Summary
- Quad 12-bit resolution with four independent buffered voltage outputs
- Military-grade reliability with -55°C to +125°C operating temperature range
- High precision linearity: DNL ±0.5 LSB, INL ±0.25 LSB
- Parallel interface with 10 µs settling time
Applications
- Military radar signal processing systems
- Avionics control loops
- High-reliability test and measurement equipment
- Spacecraft instrumentation front-ends
Procurement Notes
Verify the specific suffix 'UNI' against official Analog Devices documentation to confirm it denotes a unique military lot or screening level distinct from standard commercial variants. Confirm RoHS exemption status as 883B parts are typically leaded. Ensure supply chain authenticity through authorized distributors due to the specialized nature of QML/military specifications.
Selection Notes
Select this component when four isolated 12-bit DAC channels are required in a single package for harsh environments. Compare against the AD664BD-BIP/883B if commercial temperature ranges (-40°C to +85°C) suffice. Verify that the parallel interface timing matches the system controller capabilities and that the ±11.4V to ±16.5V analog supply rails are available in the design.
Part Context
This part belongs to the AD664 family of high-speed quad DACs. The '/883B' suffix indicates compliance with MIL-PRF-38534 Class K or H specifications, ensuring rigorous screening for radiation hardness and long-term stability. The 'UNI' suffix may indicate a specific unit type or manufacturing lot variation within the military grade offering.
Replacement Considerations
The AD664BD-BIP/883B is a verified pin-compatible alternative within the same family, differing primarily in the guaranteed operating temperature range (commercial vs. military). No other direct substitutes are confirmed in public documentation.
