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Product Detailed Parameters
- Description：AD6645ASQQMLR IC
- Series：*
- Mfr：Analog Devices Inc.
- Package：Bulk
- Number of Bits：-
- Sampling Rate (Per Second)：-
- Number of Inputs：-
- Input Type：-
- Data Interface：-
- Configuration：-
- Ratio - S/H:ADC：-
- Number of A/D Converters：-
- Architecture：-
- Reference Type：-
- Voltage - Supply, Analog：-
- Voltage - Supply, Digital：-
- Features：-
- Operating Temperature：-
- Package / Case：-
- Supplier Device Package：-
- Mounting Type：-
- Grade：-
- Qualification：-
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Overview
The Analog Devices Inc. model 5962R0423002VXC is a radiation-hardened monolithic silicon analog-to-digital converter (ADC) based on the AD6645 architecture. It provides 14-bit resolution at an 80 MSPS sampling rate. The device operates with an analog supply voltage (AVCC) of 4.75 V to 5.25 V and a digital supply voltage (DVCC) of 3.0 V to 3.6 V. It features a differential analog input, a power consumption of 1.75 W, and supports an ambient operating temperature range from -55°C to +125°C. Packaged in a 52-terminal Quad Flat Pack (QFP), it is designed for high-reliability space applications requiring Radiation Hardness Assurance.
Feature Summary
- Radiation Hardness: Device type 02 rated for 100 krads (Si) total dose at 50–300 rads(Si)/s.
- High-Speed Conversion: 14-bit resolution with an 80 MSPS sampling frequency.
- Wide Temperature Range: Ambient operating temperature from -55°C to +125°C.
- Dual Supply Operation: AVCC 4.75 V to 5.25 V; DVCC 3.0 V to 3.6 V.
Applications
- Spaceborne radar signal processing
- Military communication systems
- Harsh environment data acquisition
Procurement Notes
This component is manufactured by Analog Devices Inc. under DLA Land and Maritime Standard Microcircuit Drawing 5962-04230. Procurement requires verification against MIL-PRF-38535 Class V specifications. Buyers must confirm that the delivered units include the 'R' Radiation Hardness Assurance designator and meet the specific irradiation testing conditions defined in the drawing.
Selection Notes
Select this part when radiation tolerance up to 100 krads (Si) is required. Ensure the system can support the specified dual voltage rails (5 V analog, 3.3 V digital). Verify that the 52-pin QFP package fits the mechanical constraints. For non-radiation environments, consider standard commercial variants like the AD6645ASQ.
Part Context
This part number corresponds to the military-grade version of the AD6645 ADC. It is governed by SMD 5962-04230 Revision B. The 'R' suffix indicates Radiation Hardness Assurance compliance. It replaces contractor-specified versions of the same generic device function.
Replacement Considerations
Device class Q parts may replace device class M parts. Direct replacements must maintain the RHA designation if radiation hardness is critical. Non-RHA equivalents do not satisfy the environmental requirements of this drawing.
FAQ
What is the maximum total dose radiation tolerance?
Device type 02 is rated for a maximum total dose of 100 krads (Si) at a dose rate of 50 to 300 rads(Si)/s.
What are the absolute maximum ratings for the supplies?
Both the analog supply (AVCC) and digital supply (DVCC) have an absolute maximum rating of 0 V dc to 7 V dc.
How is the device packaged?
It uses Case Outline X, which is a 52-terminal Quad Flat Pack with non-conductive tie bars.
