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Name: AD7938BCPZ
Brand: Analog Devices Inc.
SKU: AD7938BCPZ
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

Part No.:: AD7938BCPZ

Manufacturer:: Analog Devices Inc.

Package:: 32-VFQFN Exposed Pad, CSP

Datasheet:: AD7938BCPZ.pdf

Description:: IC ADC 12BIT SAR 32LFCSP

In Stock:: 9805

Quantity:: Add To Cart

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AD7938BCPZ 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 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including AD7938BCPZ 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 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 information

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AD7938BCPZ Typical application Circuitry

AD7938BCPZ

The AD7938BCPZ is an advanced, high-speed, low-power, 8-channel, 12-bit analog-to-digital converter (ADC) featuring a versatile parallel interface. This ADC is engineered to support a wide range of applications, including but not limited to, data acquisition systems, medical instrumentation, and industrial control systems. Its design caters to scenarios requiring rapid and accurate conversion of multiple analog signals into digital form.

Key Specifications of the AD7938BCPZ:

- Resolution: Boasts a 12-bit resolution, enabling precise analog-to-digital conversion.

- Channel Count: Offers eight single-ended input channels, providing flexibility in monitoring multiple analog sources.

- High Speed: Features a conversion rate of up to 1.5 MSPS (Mega Samples Per Second), facilitating fast data acquisition.

- Low Power Consumption: Designed for efficient operation, minimizing power usage in sensitive applications.

- Interface: Includes a parallel interface for quick data output and ease of integration with microcontrollers and DSPs.

Application Scenario - Industrial Process Control:

In the context of industrial process control, the AD7938BCPZ can be utilized to monitor various sensors simultaneously, such as temperature, pressure, and flow rate sensors, to ensure optimal operating conditions and safety within a manufacturing environment.

Detailed Circuit Connection:

- Power Supply Integration: Link the AD7938BCPZ VDD pin to a stable 5V power supply, optimizing the ADC's performance across its operational range. Ensure the GND pin is properly grounded to stabilize the power supply.

- Sensor Connectivity: Assign each of the AIN0 to AIN7 pins to different sensors within the industrial process. For example, AIN0 could be connected to a temperature sensor, AIN1 to a pressure sensor, thereby enabling simultaneous monitoring of diverse parameters.

- Parallel Interface Setup: Connect the DB[0:11] (data bus) pins of the AD7938 to the corresponding input pins on a microcontroller or a digital signal processor (DSP) to facilitate swift data transfer. The RD (Read), CS (Chip Select), and WR (Write) control pins should also be connected to the microcontroller for managing data conversion and transfer cycles.

- Reference Voltage Application: Attach a stable reference voltage to the VREF pin to set the full-scale range of the ADC. This voltage is critical for ensuring the accuracy of the analog-to-digital conversion process.

Circuit Design Considerations:

- Signal Conditioning: Implement signal conditioning circuits, such as amplification or filtering, to adapt sensor outputs to the ADC's input range, ensuring accurate data representation.

- Decoupling Techniques: Utilize decoupling capacitors near the VDD and GND pins to mitigate power supply noise, crucial for maintaining signal integrity.

- Reference Voltage Precision: Select a reference voltage source characterized by low drift and minimal noise to enhance measurement reliability across various temperatures and operating conditions.

- Layout and Grounding: Carefully plan the PCB layout to segregate analog and digital sections, employing a ground plane to reduce interference, thereby improving measurement precision.

- Data Transfer Efficiency: Optimize the parallel interface connections to ensure efficient and error-free data transfer, especially important in high-speed data acquisition scenarios.

Incorporating the AD7938BCPZ into an industrial process control system enables the precise and simultaneous monitoring of multiple environmental and process parameters, thus enhancing the efficiency, safety, and reliability of industrial operations.

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

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the AD7938BCPZ we delivered, we will accept the replacement or return of the AD7938BCPZ only when all of the below conditions are fulfilled:

(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.

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

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations