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Product Detailed Parameters
- Description：IC DAS 16BIT 200K 28SSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Type：Data Acquisition System (DAS)
- Number of Channels：4
- Resolution (Bits)：16 b
- Sampling Rate (Per Second)：200k
- Data Interface：Serial
- Voltage Supply Source：Analog and Digital
- Voltage - Supply：4.75V ~ 5.25V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：28-SSOP (0.209", 5.30mm Width)
- Supplier Device Package：28-SSOP
- Grade：-
- Qualification：-
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Overview
The AD974BRSZ is a 16-bit, 200 kSPS Data Acquisition System (DAS) manufactured by Analog Devices Inc. It integrates four single-ended analog input channels with an on-chip multiplexer and serial interface. The device operates on a single +5 V supply and features a choice of external or internal 2.5 V reference. Key electrical parameters include a maximum power dissipation of 120 mW and an overall nonlinearity error of ±2 LSB. It is housed in a 28-lead SOIC W package and supports operation within a temperature range of -40°C to +85°C.
Feature Summary
- Four-channel 16-bit resolution with 200 kSPS throughput
- Single +5 V supply operation with low power consumption (120 mW max)
- Integrated 2.5 V reference option and power-down mode
- Serial digital interface compatible with SPI
Applications
- Industrial process control systems
- Portable instrumentation
- Data acquisition modules
Procurement Notes
Verify the specific suffix 'R' indicates reel packaging when sourcing components. Confirm that the AD974BRSZ corresponds to the SOIC W package variant rather than the DIP version. Ensure compatibility with existing board layouts for the 28-pin surface mount configuration before procurement.
Selection Notes
Select the AD974BRSZ for applications requiring multi-channel 16-bit precision at moderate sampling rates. Compare against the AD974BNZ if through-hole mounting is required instead of surface mount. Consider the integrated reference feature to simplify external component count compared to discrete solutions.
Part Context
The AD974 series represents a family of high-performance data acquisition systems from Analog Devices. The AD974BRSZ is part of this lineage, offering a compact solution for integrating multiple analog inputs into digital systems without requiring separate ADCs and multiplexers for each channel.
Replacement Considerations
The AD974BNZ serves as a pin-compatible alternative in a 28-DIP package. Verify package dimensions and thermal characteristics when substituting between surface mount and through-hole variants.
