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Name: AD7845AR
Brand: Analog Devices Inc.
SKU: AD7845AR
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. AD7845AR

Part No.:: AD7845AR

Manufacturer:: Analog Devices Inc.

Package:: 24-SOIC (0.295, 7.50mm Width)

Datasheet:: AD7845AR.pdf

Description:: IC DAC 12BIT MULT LC2MOS 24-SOIC

In Stock:: 3269

Quantity:: Add To Cart

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AD7845AR Specifications

Package/Case:
24-SOIC (0.295, 7.50mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
NumberofBits:
-
NumberofD/AConverters:
-
SettlingTime:
-
OutputType:
-
DifferentialOutput:
-
DataInterface:
-
ReferenceType:
-
Voltage-SupplyAnalog:
-
Voltage-SupplyDigital:
-
INL/DNL(LSB):
-
Architecture:
-
OperatingTemperature:
-

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AD7845AR information

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AD7845AR Application Introduction

AD7845AR is a high-performance, 12-bit serial-input digital-to-analog converter (DAC) commonly used in various industrial and instrumentation applications. It offers precise analog output voltage generation with low power consumption and excellent linearity.

Application Scenario:

In precision control systems, AD7845AR can be utilized to generate accurate analog control signals for driving actuators, motors, or other analog-controlled devices with high precision.

Circuit Design:

To effectively integrate AD7845AR into a design project, consider the following aspects:

1. Power Management:

Provide stable and clean power to AD7845AR by employing low-dropout voltage regulators and filtering capacitors. Ensure that the power supply meets the datasheet specifications to prevent noise interference and ensure reliable DAC performance.

2. Signal Integrity:

Design the PCB layout carefully to minimize signal crosstalk, ground loops, and electromagnetic interference. Keep digital and analog signal traces separate and use ground planes effectively to maintain signal integrity and minimize noise coupling.

3. Thermal Management:

Implement thermal vias and heat sinks as necessary to dissipate heat generated by AD7845AR during operation. Ensure adequate airflow or ventilation in the enclosure to prevent overheating and maintain optimal DAC performance.

4. Calibration and Testing:

Calibrate the AD7845AR output voltage using precision voltage references and verify the linearity and accuracy of the DAC output through comprehensive testing. Perform temperature testing to assess DAC performance over the specified operating temperature range.

5. System Integration:

Integrate AD7845AR into the overall system architecture, considering communication protocols, microcontroller interfaces, and system timing requirements. Ensure proper isolation and buffering of the DAC outputs to interface with downstream analog circuits without signal degradation.

Considerations:

When designing with AD7845AR, keep the following considerations in mind:

- Resolution and Accuracy: Select the appropriate DAC resolution and calibration techniques to meet the system's accuracy requirements.

- Output Settling Time: Consider the settling time of AD7845AR when designing time-critical control applications to ensure timely and accurate analog output transitions.

- Serial Interface Configuration: Configure the serial interface settings, such as SPI or I2C, according to the microcontroller or host controller specifications to enable seamless communication with AD7845AR.

- EMI/EMC Compliance: Design the PCB layout and enclosure shielding to mitigate electromagnetic interference and ensure compliance with relevant EMC regulations for industrial and instrumentation applications.

- Long-Term Reliability: Perform reliability testing and aging analysis to ensure the long-term stability and performance of AD7845AR in the intended application environment.

AD7845AR FAQ

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3. Are the AD7845AR price and inventory displayed accurate?

The price and inventory of AD7845AR fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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5. How is the shipping arranged?

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Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of AD7845AR?

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 AD7845AR we delivered, we will accept the replacement or return of the AD7845AR 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 AD7845AR.

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

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations