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Name: AD7980BCPZ-R2
Brand: Analog Devices Inc.
SKU: AD7980BCPZ-R2
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Analog Devices Inc. AD7980BCPZ-R2

Part No.:: AD7980BCPZ-R2

Manufacturer:: Analog Devices Inc.

Package:: 10-VFDFN Exposed Pad, CSP

Datasheet:: AD7980BCPZ-R2.pdf

Description:: ADC, SUCCESSIVE APPROXIMATION, 1

In Stock:: 2882

Quantity:: Add To Cart

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AD7980BCPZ-R2 Specifications

Packaging:
Bulk
Series:
PulSAR®
Product Status:
Active
Number of Bits:
16
Sampling Rate(PerSecond):
1M
Number of Inputs:
1
Input Type:
Pseudo-Differential
Data Interface:
DSP, MICROWIRE™, QSPI™, and SPI™
Configuration:
S/H-ADC
Ratio-S/H:ADC:
1:1
Number of A/D Converters:
1
Architecture:
SAR
Reference Type:
External
Voltage-Supply Analog:
2.375V ~ 2.625V
Voltage-Supply Digital:
2.375V ~ 2.625V
Features:
-
Operating Temperature:
-40°C ~ 125°C

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AD7980BCPZ-R2 information

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AD7980BCPZ-R2 Typical application Circuitry

AD7980BCPZ-R2

The AD7980BCPZ-R2 chip is a high-performance, 16-bit analog-to-digital converter (ADC) that offers outstanding accuracy and speed. It is designed for applications requiring precise signal conversion, such as medical instrumentation, industrial control systems, and data acquisition systems.

Workability

The AD7980BCPZ-R2 is primarily used for highly precise digital data conversion from analog signals. Using a sequential approximation register (SAR) architecture, it maintains good linearity and noise performance and speeds up conversion times.

Key Applications

- Medical Instrumentation: For monitoring vital signs and diagnostic imaging.

- Industrial Control: In process control and automation systems for accurate measurement.

- Data Acquisition: For capturing high-speed signals in scientific research and testing.

Features of the Parameter

- Resolution: 16-bit, offering excellent signal conversion accuracy.

- Sampling Rate: Up to 1 MSPS, appropriate for catching signals that change quickly.

Low Power Consumption: Ideal for battery-operated devices.

- Input Range: Adjustable to accommodate varying signal intensities.

Circuit Design for a Data Acquisition System

1. Power Supply: Ensure a stable and low-noise power source for the ADC. The AD7980BCPZ-R2 requires a 5V supply for its analog circuitry (VDD) and a separate 1.8V to 5V supply for its digital interface (VIO).

2. Reference Voltage: Use a high-precision reference voltage (REF) to set the input voltage range. Connect a 2.5V reference to the REF pin for a 0V to 2.5V input range.

3. Analog Input: Connect the analog signal to the VIN+ pin. The VIN- pin should be grounded if a single-ended input is used. For differential measurements, connect the negative signal to VIN-.

4. Clock Input: To regulate the sampling rate, supply a steady clock signal to the CNV pin. The conversion process begins on the clock's rising edge.

5. Data Output: The SDO pin provides access to the digital output. Utilize an FPGA or microcontroller to record the data when the clock's falling edge approaches.

6. Grounding and Layout: Ensure proper grounding and use a multilayer PCB to minimize noise and interference. Keep the analog and digital sections separate and use a ground plane to reduce ground loop effects.

Design Considerations

- Input Filtering: Implement low-pass filters to remove high-frequency noise from the analog input.

Encircling Capacitors: Use bypass capacitors adjacent to the power supply pins to reduce noise and regulate the voltage.

- Signal Integrity: Use impedance-matched traces for the clock and data lines to maintain signal integrity.

In conclusion, the AD7980BCPZ-R2 is a versatile and high-performing ADC suited for applications demanding precise and fast analog-to-digital conversion. When designing circuits with this chip, attention to power supply stability, reference voltage accuracy, and layout considerations are crucial to achieving optimal performance.

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6. What is the process for return or replacement of AD7980BCPZ-R2?

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of AD7980BCPZ-R2.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

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