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AD7893AR-5REEL7
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Product Detailed Parameters
- Description：IC ADC 12BIT SRL T/H LP 8-SOIC
- Series：-
- Mfr：Analog Devices Inc.
- Package：Bulk
- 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-5REEL7 is a 12-bit successive approximation analog-to-digital converter (ADC) housed in an 8-pin SOIC package. It operates from a single +5 V supply and features an on-chip track/hold amplifier with a maximum conversion time of 6 μs. The device supports a unipolar input voltage range of 0 V to +5 V and utilizes a high-speed two-wire serial interface for data output. Typical power dissipation is 25 mW, with a maximum of 45 mW. It provides a signal-to-noise ratio of 70 dB min at a sampling rate of 117 kHz.
Feature Summary
- Integrates a 12-bit ADC, track/hold amplifier, and control logic within an 8-pin package.
- Operates from a single +5 V supply with low typical power consumption of 25 mW.
- Features a high-speed two-wire serial interface consisting of SCLK and SDATA lines.
Applications
- Battery-powered or portable instrumentation systems
- Industrial process control data acquisition
- Portable medical devices requiring low power consumption
Procurement Notes
Verify the specific suffix 'REEL7' against manufacturer documentation to confirm tape-and-reel packaging specifications. Ensure the ordering code matches the required temperature range and linearity class. Confirm that the component meets RoHS compliance requirements for the intended application environment before finalizing procurement.
Selection Notes
Select this model when a unipolar 0 V to +5 V input range is required. Verify compatibility with microcontrollers supporting standard SPI-like serial protocols. Ensure the system design accommodates the 6 μs conversion time and allows sufficient acquisition time between conversions to maintain specified accuracy levels.
Part Context
This component belongs to the AD7893 family of fast 12-bit ADCs manufactured by Analog Devices Inc. The series includes variants with different input ranges such as ±10 V, ±2.5 V, and 0 V to +2.5 V. All variants share similar architectural features including the LC2MOS fabrication process and compact 8-pin packaging options.
Replacement Considerations
Direct pin-compatible replacements within the same family include AD7893AR-10, AD7893AR-3, and AD7893AR-2. These alternatives offer different input voltage ranges while maintaining the same package and interface characteristics. Verify input range compatibility before substitution.
