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Product Detailed Parameters
- Description：IC ADC 10BIT SAR 20CDIP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Bulk,Tube
- 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 AD573 is a monolithic 10-bit successive approximation analog-to-digital converter (ADC) fabricated using integrated injection logic. It integrates a DAC, buried Zener voltage reference, clock, comparator, SAR, and three-state output buffers on a single chip, requiring no external components for full accuracy conversion. The device operates on +5 V and –12 V to –15 V supplies, accepting unipolar (0 V to +10 V) or bipolar (–5 V to +5 V) analog inputs. Conversion time is typically 20 μs with no missing codes over the operating temperature range. The part number 5962-8850501RA corresponds to the AD573S grade, guaranteed for operation from –55°C to +125°C.
Feature Summary
- Complete 10-bit ADC with internal reference, clock, and comparator; no external components required.
- Fast successive approximation conversion cycle of 20 μs typical, with no missing codes over temperature.
- Full 8-bit or 16-bit microprocessor bus interface via separate High Byte Enable (HBE) and Low Byte Enable (LBE).
- Operates on +5 V and –12 V to –15 V supplies with true 10-bit accuracy.
Applications
- High-speed data acquisition systems requiring sample-hold amplifiers.
- Microprocessor-based instrumentation and control systems.
- Precision signal digitization in industrial environments.
Procurement Notes
Verify that the ordering suffix 'RA' confirms the 20-Lead Side-Brazed Ceramic Dual In-Line Package (D-20) and the AD573S performance grade. Ensure the supply chain source provides documentation confirming compliance with MIL-STD-883 requirements if military qualification is necessary for the application.
Selection Notes
Select this component when a complete, high-accuracy 10-bit ADC is needed without external support circuitry. The AD573S variant is required for applications demanding guaranteed performance across the extended –55°C to +125°C temperature range. Verify that the system can provide the necessary +5 V and negative supply rails (-12 V to -15 V).
Part Context
The 5962-8850501RA designation identifies the commercial AD573S model packaged in a hermetically sealed ceramic DIP. This specific part number indicates compliance with MIL-STD-883 standards, distinguishing it from the standard plastic or lower-grade ceramic variants like the AD573JN or AD573SD.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided datasheet. Direct replacement requires verifying pin compatibility and ensuring the alternative device supports the same +5 V/negative supply architecture and 10-bit SAR architecture.
