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AD7893AR-5
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Product Detailed Parameters
- Description：IC ADC 12BIT LC2MOS 8-SOIC
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Number of Bits：12
- Sampling Rate (Per Second)：117k
- Number of Inputs：-
- Input Type：-
- Data Interface：-
- Configuration：-
- Ratio - S/H:ADC：-
- Number of A/D Converters：1
- Architecture：-
- Reference Type：-
- Voltage - Supply, Analog：-
- Voltage - Supply, Digital：-
- Features：-
- Operating Temperature：-40°C ~ 85°C
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Mounting Type：Surface Mount
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Overview
The AD7893AR-5 is a 12-bit successive approximation analog-to-digital converter housed in an 8-pin SOIC package. It operates from a single +5 V supply and features a serial interface with a conversion time of 6 μs and a throughput rate up to 117 kHz. The device accepts an analog input range of 0 V to +5 V, utilizing straight binary output coding. Key electrical specifications include a signal-to-noise ratio of 70 dB, ±1 LSB differential nonlinearity, and typical power dissipation of 25 mW. The operating temperature range spans from -40 °C to +85 °C.
Feature Summary
- Integrates a track/hold amplifier and on-chip clock for simplified system design
- Utilizes a high-speed two-wire serial interface for microcontroller connectivity
- Operates from a single +5 V supply with low power consumption
Applications
- Battery-powered portable instrumentation
- Industrial process control systems
- Data acquisition modules
Procurement Notes
Verify the specific suffix 'AR-5' against the manufacturer's current ordering guide to confirm pinout compatibility and linear error specifications. Ensure the external reference voltage matches the required +2.5 V nominal level for optimal performance within the specified temperature range.
Selection Notes
Select this component when a unipolar 0 V to +5 V input range is required alongside a compact 8-pin footprint. Consider alternative models such as the AD7893-2 or AD7893-3 if bipolar input ranges are necessary for the application design.
Part Context
This part belongs to the AD7893 family of fast 12-bit ADCs fabricated using Linear Compatible CMOS technology. The series offers various input range options including ±10 V and ±2.5 V configurations, all sharing the same core architecture and serial interface protocol within the 8-pin package form factor.
Replacement Considerations
The AD7893BR-5 serves as a higher accuracy variant within the same package offering ±1/2 LSB linearity. Other family members like the AD7893AN-5 provide equivalent functionality in a plastic DIP package.
