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Name: AD7840ARS
Brand: Analog Devices Inc.
SKU: AD7840ARS
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. AD7840ARS

Part No.:: AD7840ARS

Manufacturer:: Analog Devices Inc.

Package:: 24-SSOP (0.209, 5.30mm Width)

Datasheet:: AD7840ARS.pdf

Description:: IC DAC 14BIT V-OUT 24SSOP

In Stock:: 2732

Quantity:: Add To Cart

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AD7840ARS Specifications

Package/Case:
24-SSOP (0.209, 5.30mm Width)
Packaging:
Tube,Tube
Series:
-
ProductStatus:
Obsolete
NumberofBits:
14
NumberofD/AConverters:
1
SettlingTime:
4µs
OutputType:
Voltage - Buffered
DifferentialOutput:
No
DataInterface:
Parallel, Serial
ReferenceType:
External, Internal
Voltage-SupplyAnalog:
±5V
Voltage-SupplyDigital:
-
INL/DNL(LSB):
±2 (Max), ±0.9 (Max)
Architecture:
R-2R
OperatingTemperature:
-25°C ~ 85°C

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AD7840ARS information

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AD7840ARS Application Introduction

AD7840ARS is a high-performance CMOS 12-bit digital-to-analog converter (DAC) suitable for a wide range of precision analog applications.

Application Scenario:

In designing precision instrumentation, AD7840ARS can be effectively utilized to generate accurate analog signals for tasks such as waveform generation, motor control, and audio processing.

Circuit Design:

To optimize the use of AD7840ARS in a design project, consider the following:

1. Power Management:

Ensure a stable power supply for AD7840ARS and associated components. Utilize low-noise voltage regulators and bypass capacitors to minimize power supply ripple and ensure reliable operation.

2. Signal Integrity:

Maintain signal integrity by minimizing noise and interference in the analog and digital domains. Proper grounding techniques, signal isolation, and careful layout considerations are essential to prevent signal degradation and ensure accurate DAC output.

3. Thermal Management:

Implement thermal management strategies to prevent overheating of AD7840ARS. Ensure adequate heat sinking and ventilation in the circuit layout, especially if operating the DAC at high output currents or in environments with elevated ambient temperatures.

4. Output Amplification:

If driving loads with low impedance or requiring higher output voltage levels, consider using external amplification stages or buffers to boost the output signal of AD7840ARS while maintaining signal fidelity and dynamic range.

5. Calibration and Testing:

Perform thorough calibration and testing of AD7840ARS in the final circuit to ensure accurate analog output across the entire range and under various operating conditions. Calibrate for offset and gain errors to achieve desired precision and linearity.

Considerations:

When integrating AD7840ARS into the design, consider the following factors:

- Resolution and Accuracy: Understand the DAC's resolution and integral nonlinearity (INL) specifications to ensure compatibility with the application's precision requirements.

- Output Settling Time: Take into account the settling time of AD7840ARS when updating output voltages to meet timing constraints and avoid signal artifacts in time-sensitive applications.

- Output Impedance: Consider the output impedance of AD7840ARS and its impact on load driving capabilities and stability, especially when interfacing with complex loads or long transmission lines.

- EMI/EMC Compliance: Design the circuit layout and shielding to minimize electromagnetic interference and ensure compliance with electromagnetic compatibility (EMC) standards, particularly in sensitive applications where noise immunity is critical.

- Environmental Considerations: Account for operating temperature range, humidity, and other environmental factors that may affect the performance and reliability of AD7840ARS in the intended application.

AD7840ARS FAQ

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3. Are the AD7840ARS price and inventory displayed accurate?

The price and inventory of AD7840ARS 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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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 AD7840ARS?

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 AD7840ARS we delivered, we will accept the replacement or return of the AD7840ARS 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 AD7840ARS.

(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