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AD7895ANZ-2
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Product Detailed Parameters
- Description：IC ADC 12BIT SAR 8DIP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Number of Bits：12
- Sampling Rate (Per Second)：192k
- Number of Inputs：1
- Input Type：Single Ended
- Data Interface：SPI
- Configuration：S/H-ADC
- Ratio - S/H:ADC：1:01
- Number of A/D Converters：1
- Architecture：SAR
- Reference Type：External
- Voltage - Supply, Analog：5V
- Voltage - Supply, Digital：5V
- 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 AD7895ANZ-2 is a 12-bit successive approximation analog-to-digital converter housed in an 8-pin mini-DIP package. It operates from a single +5 V supply and features a serial interface with a conversion time of 3.8 μs. The device accepts a unipolar input voltage range of 0 V to +2.5 V and utilizes straight binary output coding. Key electrical specifications include a maximum power dissipation of 20 mW, a signal-to-noise ratio of 70 dB, and a relative accuracy of ±1 LSB. The operating temperature range spans from -40 °C to +85 °C.
Feature Summary
- Integrated on-chip track/hold amplifier for high-speed data acquisition
- High-speed two-wire serial interface for simplified microcontroller connection
- Automatic power-down mode for low-power portable applications
Applications
- Battery-powered instrumentation systems
- Portable data acquisition devices
- Industrial process control monitoring
Procurement Notes
Verify the specific suffix 'ANZ-2' against official Analog Devices documentation to confirm the PDIP-8 package and 0V to +2.5V input range. Ensure that the ordering information matches the required temperature grade and linearity specifications before procurement.
Selection Notes
Select this component when a single-supply 12-bit ADC with a 0V to +2.5V input range is required. Consider the 3.8μs conversion speed and serial interface compatibility with existing system architectures. Evaluate the 20mW power consumption against battery life requirements.
Part Context
This part belongs to the AD7895 family of fast 12-bit ADCs. Variants within the series differ primarily by input voltage range (±10V, ±2.5V, or 0V to +2.5V) and packaging options. The AD7895ANZ-2 specifically addresses unipolar signal conditioning needs in a compact form factor.
Replacement Considerations
Publicly confirmed pin-compatible upgrade options within the same family include the AD7894, which offers 14-bit resolution. Verify functional equivalence regarding serial interface timing and reference voltage requirements when substituting.
