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AD7895AN-2
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Product Detailed Parameters
- Description：IC ADC 12BIT SRL 5V 8-DIP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Number of Bits：12
- Sampling Rate (Per Second)：192k
- 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-DIP (0.300", 7.62mm)
- Supplier Device Package：8-PDIP
- Mounting Type：Through Hole
- Grade：-
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Overview
The AD7895AN-2 is a 12-bit successive approximation analog-to-digital converter housed in an 8-pin plastic dual-in-line package. It operates from a single +5 V supply and features a serial interface with a maximum throughput rate of 192 kS/s. The device accepts a unipolar analog input range of 0 V to +2.5 V and utilizes straight binary output coding. Key electrical specifications include a conversion time of 3.8 μs, a signal-to-noise ratio of 70 dB, and a maximum power dissipation of 20 mW. Differential nonlinearity is specified at ±1 LSB, while the positive full-scale error is limited to ±3 LSB.
Feature Summary
- Integrates a track/hold amplifier and on-chip clock for simplified system design
- Features a high-speed two-wire serial interface compatible with standard microcontrollers
- Includes an automatic power-down mode that activates after conversion completion
Applications
- Battery-powered portable instrumentation systems
- Industrial process control data acquisition
- Portable medical devices requiring low power consumption
Procurement Notes
Verify the specific suffix AN-2 corresponds to the required PDIP-8 package and the 0 V to +2.5 V input voltage range. Confirm that the operating temperature range meets the application requirements before finalizing procurement orders.
Selection Notes
Select this component when a single-supply operation is required alongside a unipolar input signal constraint. Ensure the external reference voltage matches the internal requirement for optimal accuracy. Consider the package size constraints relative to alternative ADC solutions.
Part Context
This part belongs to the AD7895 family of fast 12-bit ADCs manufactured by Analog Devices. The family includes variants with different input ranges and packaging options, such as the bipolar AD7895-10 and the SOIC packaged AD7895AR-2.
Replacement Considerations
The AD7895BR-2 serves as a pin-compatible replacement within the same series. Verify that the thermal impedance and package dimensions remain consistent for direct board-level substitution.
