What is the Additional Feature ?

Name: AD698AP
Brand: Analog Devices Inc.
SKU: AD698AP
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. AD698AP

Part No.:: AD698AP

Manufacturer:: Analog Devices Inc.

Package:: 28-LCC (J-Lead)

Datasheet:: AD698AP.pdf

Description:: IC LVDT SIGNAL COND 28-PLCC

In Stock:: 2610

Quantity:: Add To Cart

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AD698AP Specifications

Package/Case:
28-LCC (J-Lead)
Packaging:
Bulk,Tube
Series:
-
ProductStatus:
Obsolete
Type:
Signal Conditioner
InputType:
Voltage
OutputType:
Voltage
Current-Supply:
15 mA
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

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AD698AP information

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AD698AP Typical application Circuitry

AD698AP

The AD698AP is a universal LVDT (Linear Variable Differential Transformer) signal conditioning chip designed to convert the LVDT's output into a DC voltage or current.

Application Environments: This chip is extensively utilized in industrial measurement and control systems, aerospace applications, and precision position sensing where LVDTs are employed for accurate displacement measurement.

Key Features: The AD698AP features include programmable excitation frequency, onboard sine wave generation, precision rectification, and a wide input signal range.

Circuit Design Example: LVDT Position Sensing in an Industrial Automation System

In an industrial automation system, the AD698AP can be used to interface an LVDT with the control unit for precise position sensing.

1. Power Supply Connection: Connect a +15V power supply to the VCC pin (pin 24) and a -15V power supply to the VEE pin (pin 12). Ground the DGND pin (pin 11).

2. LVDT Excitation: Connect the primary winding of the LVDT to the EXC+ pin (pin 9) and the EXC- pin (pin 10) of the AD698AP to provide the excitation signal.

3. LVDT Output Connection: Connect the secondary windings of the LVDT to the SIG+ pin (pin 3) and the SIG- pin (pin 2) of the AD698AP.

4. Output Voltage: The output voltage proportional to the LVDT position is available at the VOUT pin (pin 22). This can be connected to the analog input of the control unit.

Design Considerations:

- Excitation Frequency: Set the excitation frequency according to the LVDT specifications using the FREQ ADJ pin (pin 17) of the AD698AP.

- Power Supply Decoupling: Use decoupling capacitors near the VCC and VEE pins to reduce power supply noise.

- Temperature Stability: Consider the temperature coefficient of the AD698AP and the operating temperature range to ensure stable performance in varying environmental conditions.

- Signal Filtering: Implement filtering at the VOUT pin to remove any residual high-frequency components from the output signal.

By integrating the AD698AP into an LVDT position sensing circuit for an industrial automation system, one can achieve precise and stable position measurement, enabling accurate control and monitoring in industrial applications.

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6. What is the process for return or replacement of AD698AP?

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 AD698AP we delivered, we will accept the replacement or return of the AD698AP 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 AD698AP.

(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