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Name: AD7938BCPZ-6
Brand: Analog Devices Inc.
SKU: AD7938BCPZ-6
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Analog Devices Inc. AD7938BCPZ-6

Part No.:: AD7938BCPZ-6

Manufacturer:: Analog Devices Inc.

Package:: 32-VFQFN Exposed Pad, CSP

Datasheet:: AD7938BCPZ-6.pdf

Description:: IC ADC 12BIT SAR 32LFCSP

In Stock:: 858

Quantity:: Add To Cart

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AD7938BCPZ-6 Specifications

Packaging:
Bulk,Tray
Series:
-
Product Status:
Active
Number of Bits:
12
Sampling Rate(PerSecond):
1.5M
Number of Inputs:
4, 7, 8
Input Type:
Differential, Pseudo-Differential, Single Ended
Data Interface:
Parallel
Configuration:
MUX-S/H-ADC
Ratio-S/H:ADC:
1:1
Number of A/D Converters:
1
Architecture:
SAR
Reference Type:
External, Internal
Voltage-Supply Analog:
2.7V ~ 5.25V
Voltage-Supply Digital:
2.7V ~ 5.25V
Features:
-
Operating Temperature:
-40°C ~ 85°C

AD7938BCPZ-6 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including AD7938BCPZ-6 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for AD7938BCPZ-6 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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AD7938BCPZ-6 information

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AD7938BCPZ-6 Typical application Circuitry

AD7938BCPZ-6

The AD7938BCPZ-6 is a high-speed, 8-channel, 12-bit analog-to-digital converter (ADC) known for its low power consumption and versatile input multiplexing capabilities. It operates with a single power supply ranging from 2.7 V to 5.5 V and features a serial interface for data communication. With a conversion time of just 1.5 µs and a throughput rate of 500 kSPS, this ADC is ideal for applications requiring rapid and precise multi-channel analog-to-digital conversion.

Application Scenario: Multichannel Data Acquisition System in Industrial Automation

In industrial automation, the AD7938BCPZ-6 can be used in a multichannel data acquisition system to digitize analog signals from various sensors monitoring parameters such as temperature, pressure, and flow rate in a manufacturing process.

Circuit Design for Multichannel Data Acquisition System

1. Power Supply Configuration:

- Connect the VDD pin (pin 32) of the AD7938BCPZ-6 to a regulated 3.3 V power supply.

- Place decoupling capacitors (0.1 µF ceramic and 10 µF tantalum) near the VDD pin to ensure a stable power supply and reduce noise.

2. Reference Voltage Setup:

- Use the internal reference voltage of the AD7938BCPZ-6 by connecting the REF IN pin (pin 16) to the VDD pin, ensuring consistent ADC performance.

3. Analog Input Configuration:

- Connect the analog outputs of the sensors to the VIN0 to VIN7 pins (pins 24 to 31, respectively) through signal conditioning circuits to match the ADC's input range and filter out noise.

4. Digital Communication Interface:

- Establish an SPI interface for communication between the AD7938BCPZ-6 and the microcontroller or processing unit of the data acquisition system.

- Connect the SDO pin (pin 2), SDI pin (pin 3), and SCLK pin (pin 4) to the corresponding SPI pins on the microcontroller or processing unit for efficient data transfer.

5. Conversion Control Mechanism:

- Control the CONVST pin (pin 6) with a GPIO pin from the microcontroller or processing unit to initiate the conversion process.

- Program the microcontroller or processing unit to trigger ADC conversions at regular intervals, aligning with the desired sampling rate for data acquisition.

Key Design Considerations:

- Signal Conditioning: Ensure proper conditioning of the sensor signals to match the input range of the AD7938BCPZ-6 and to filter out unwanted noise.

- Power Efficiency: Optimize power consumption by using low-power components and implementing power-saving modes in the microcontroller or processing unit, especially important in industrial automation systems where energy efficiency is a concern.

- Data Integrity: Implement error-checking protocols in the digital communication interface to ensure the integrity of the digitized data.

- Channel Isolation: Provide adequate isolation between channels to prevent cross-talk and ensure accurate measurement of each sensor signal.

In this application, the AD7938BCPZ-6 ADC is integral to a multichannel data acquisition system in industrial automation, providing fast and accurate conversion of sensor signals for precise monitoring and control of manufacturing processes. By addressing key design considerations such as signal conditioning, power efficiency, data integrity, and channel isolation, designers can create an effective and reliable data acquisition system for industrial automation applications.

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6. What is the process for return or replacement of AD7938BCPZ-6?

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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 AD7938BCPZ-6.

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

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