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Product Detailed Parameters
- Description：IC ADC 12BIT SAR 28SOIC
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Bits：12
- Sampling Rate (Per Second)：100k
- Number of Inputs：1
- Input Type：Single Ended
- Data Interface：Parallel
- Configuration：S/H-ADC
- Ratio - S/H:ADC：1:01
- Number of A/D Converters：1
- Architecture：SAR
- Reference Type：External, Internal
- Voltage - Supply, Analog：±11.4V ~ 16.5V
- Voltage - Supply, Digital：5V
- Features：-
- Operating Temperature：-40°C ~ 85°C
- Package / Case：28-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：28-SOIC
- Mounting Type：Surface Mount
- Grade：-
- Qualification：-
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Overview
The AD1674ARZ-REEL is a monolithic 12-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. It integrates a sample-and-hold amplifier (SHA), a 10 V reference, and three-state output buffers. The device operates with +5 V logic supply and ±12 V or ±15 V analog supplies. It supports unipolar (0 V to +10 V, 0 V to +20 V) and bipolar (±5 V, ±10 V) input ranges. Key electrical parameters include a sampling rate of 100 kSPS, full power bandwidth of 1 MHz, integral nonlinearity of ±1 LSB, and differential nonlinearity guaranteeing no missing codes.
Feature Summary
- Integrated Sample-and-Hold Amplifier supporting full Nyquist bandwidth
- Industry standard pinout compatible with AD574A and AD674A
- Flexible digital interface with 8-bit or 12-bit microprocessor compatibility
- Internal 10 V reference with external calibration capability
Applications
- Signal processing systems requiring AC and DC specifications
- Traditional DC measurement applications
- Data acquisition systems utilizing parallel interfaces
Procurement Notes
Verify the REEL suffix indicates tape and reel packaging for automated assembly. Confirm the specific temperature grade (e.g., A, B, or T) required for the operating environment, as performance drift varies by grade. Ensure ESD precautions are observed during handling due to device sensitivity.
Selection Notes
Select based on required input voltage range (unipolar vs. bipolar) and temperature stability needs. The AD1674 requires dual analog supplies (VCC and VEE) in addition to the +5 V logic supply. Verify that the system can accommodate the 385 mW to 575 mW power dissipation depending on the specific supply voltages used.
Part Context
The AD1674 is part of the AD1674 family of 12-bit ADCs. It utilizes Analog Devices' BiMOS II process to combine high-performance bipolar analog circuitry with digital CMOS logic. The device is available in various temperature grades and package options, including plastic SOIC and hermetic ceramic DIP.
Replacement Considerations
The AD1674 is pin-compatible with the industry-standard AD574A and AD674A. When substituting, verify that the replacement device supports the same 12-bit resolution, 100 kSPS speed, and required input voltage ranges.
