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Name: AD7843ARQ
Brand: Analog Devices Inc.
SKU: AD7843ARQ
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. AD7843ARQ

Part No.:: AD7843ARQ

Manufacturer:: Analog Devices Inc.

Package:: 16-SSOP (0.154, 3.90mm Width)

Datasheet:: AD7843ARQ.pdf

Description:: IC ADC 12BIT TOUCHSCREEN 16-QSOP

In Stock:: 136133

Quantity:: Add To Cart

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AD7843ARQ Specifications

Package/Case:
16-SSOP (0.154, 3.90mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
Touchscreen:
-
Resolution(Bits):
12 b
Interface:
-
VoltageReference:
External
Voltage-Supply:
2.2V ~ 5.25V
Current-Supply:
-
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

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AD7843ARQ information

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AD7843ARQ Application Introduction

AD7843ARQ is a high-performance, 12-bit serial ADC (Analog-to-Digital Converter) commonly used in industrial and instrumentation applications for precise analog signal acquisition.

Application Scenario:

In a data acquisition system for industrial monitoring and control, AD7843ARQ can be utilized to accurately convert analog sensor readings into digital data for further processing and analysis.

Circuit Design:

To effectively integrate AD7843ARQ into a design, consider the following optimizations:

1. Power Management:

Ensure stable and clean power supply to AD7843ARQ to minimize noise and ensure accurate analog-to-digital conversion. Use low-dropout voltage regulators and bypass capacitors close to the device to filter out any noise.

2. Signal Integrity:

Keep analog signal traces as short as possible and away from high-speed digital signals to prevent crosstalk and interference. Use ground planes and proper grounding techniques to minimize ground loops and signal distortions.

3. Thermal Management:

Ensure proper thermal dissipation for AD7843ARQ to maintain accurate performance over a wide temperature range. Place thermal vias under the device to improve heat dissipation and consider adding a heat sink if necessary.

4. Component Selection:

Choose high-quality passive components, such as resistors and capacitors, with low tolerance and temperature coefficients to maintain accuracy and stability in the ADC circuitry. Pay attention to component placement to minimize parasitic effects.

5. Layout Considerations:

Follow recommended layout guidelines provided in the AD7843ARQ datasheet to minimize parasitic capacitance and inductance. Place the ADC close to the analog sources to reduce noise pickup and ensure accurate signal acquisition.

Considerations:

When designing with AD7843ARQ, it's essential to consider:

- Sampling Rate: Select an appropriate sampling rate based on the application requirements and analog signal bandwidth to prevent aliasing and ensure accurate signal reconstruction.

- Calibration: Perform periodic calibration of AD7843ARQ to compensate for any offset and gain errors introduced by the ADC and external circuitry.

- Input Range: Ensure that the analog input voltage range of AD7843ARQ matches the expected signal levels to maximize dynamic range and prevent signal clipping or saturation.

- Data Interface: Choose a suitable communication interface, such as SPI or I2C, to interface AD7843ARQ with the microcontroller or host system, considering factors like data throughput and protocol compatibility.

- EMC/EMI Compliance: Design the PCB layout and enclosure shielding to minimize electromagnetic interference and ensure compliance with relevant EMC standards for reliable operation in industrial environments.

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3. Are the AD7843ARQ price and inventory displayed accurate?

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6. What is the process for return or replacement of AD7843ARQ?

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 AD7843ARQ we delivered, we will accept the replacement or return of the AD7843ARQ 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 AD7843ARQ.

(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