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Analog Devices Inc. AD8620ARZ

Part No.:: AD8620ARZ

Manufacturer:: Analog Devices Inc.

Package:: 8-SOIC (0.154, 3.90mm Width)

Datasheet:: AD8620ARZ.pdf

Description:: IC OPAMP JFET 2 CIRCUIT 8SOIC

In Stock:: 849

Quantity:: Add To Cart

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AD8620ARZ Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Active
AmplifierType:
J-FET
NumberofCircuits:
2
OutputType:
-
SlewRate:
60V/µs
GainBandwidthProduct:
25 MHz
-3dbBandwidth:
-
Current-InputBias:
3 pA
Voltage-InputOffset:
85 µV
Current-Supply:
3mA (x2 Channels)
Current-Output/Channel:
45 mA
Voltage-SupplySpan(Min):
10 V
Voltage-SupplySpan(Max):
26 V
OperatingTemperature:
-40°C ~ 125°C
MountingType:
Surface Mount

AD8620ARZ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including AD8620ARZ 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 AD8620ARZ 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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AD8620ARZ information

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AD8620ARZ Typical application Circuitry

The AD8620ARZ is a precision, high-performance JFET (Junction Field-Effect Transistor) operational amplifier from Analog Devices, renowned for its wide bandwidth, low input bias currents, and high input impedance. This amplifier is part of a series designed for applications demanding high accuracy and stability, such as instrumentation, active filtering, and precision amplification in both industrial and consumer products. The AD8620ARZ, specified by its "ARZ" suffix, is packaged in an SOIC (Small Outline Integrated Circuit), making it suitable for space-efficient designs and surface-mount technology applications.

1. Operational Excellence of AD8620ARZ: This operational amplifier stands out for its ultra-low offset voltage, high speed, and low noise characteristics, offering designers a robust solution for creating high-fidelity audio applications, precise data acquisition systems, and sophisticated signal conditioning circuits. Its JFET input stage ensures compatibility with high-impedance sources, minimizing signal distortion and power consumption.

2. Pin Configuration and Connection Methodology: The AD8620ARZ features a standard dual op-amp pinout, with pins dedicated to supply voltages, input, output, and offset nulling. It requires careful attention to pin connections to leverage its high-performance capabilities fully:

- V+ and V− Pins: These pins connect to the positive and negative power supplies, respectively. The AD8620ARZ operates within a broad supply voltage range, accommodating various application needs. Decoupling these power supply pins with capacitors close to the device is crucial for maintaining power integrity and minimizing noise.

- Input Pins (IN+ and IN−): The non-inverting (IN+) and inverting (IN−) input pins require precision in signal routing to avoid noise pickup and ensure the integrity of the low-level signals being amplified. Shielding and careful layout can prevent interference in sensitive applications.

- Output Pin (OUT): The output pin should be connected to the load or the next stage in the signal path. It is vital to consider the load impedance to maintain linearity and avoid overstressing the output stage.

- Offset Null Pins (NULL1 and NULL2): For applications requiring ultra-precise offset voltage adjustment, these pins can be used with external potentiometers or resistors to fine-tune the offset voltage, optimizing performance for critical applications.

3. Implementing Feedback Loops: The AD8620ARZ's fidelity and stability are significantly enhanced by properly designed feedback networks. These networks, typically consisting of resistors or capacitors, are connected between the output and inverting input or in more complex configurations to set the desired gain and bandwidth. The choice of components in the feedback loop should reflect the application's precision and frequency requirements.

4. Supply Filtering and Decoupling: To exploit the low-noise characteristics of the AD8620ARZ, implementing supply line filtering and decoupling is essential. Placing capacitors close to the supply pins minimizes the effects of supply noise and transient spikes, crucial for applications where signal integrity is paramount.

5. Thermal Management and Layout Considerations: Even though the AD8620ARZ is designed for efficient operation, managing its thermal environment is key, especially in high-performance or compact designs. A well-thought-out PCB layout that optimizes heat dissipation and minimizes parasitic effects can significantly enhance the operational amplifier's performance and reliability.

6. Grounding Techniques: Effective grounding strategies are imperative to maximize the AD8620ARZ's performance. A low-impedance ground path and careful separation of digital and analog grounds, when necessary, can mitigate noise and enhance the operational amplifier's signal fidelity.

Incorporating the AD8620ARZ into an electronic design demands a comprehensive approach that considers power supply management, signal integrity, feedback network design, and thermal layout. By adhering to these principles, the AD8620ARZ can be effectively utilized in creating high-precision, low-noise, and stable amplification circuits, fulfilling the stringent requirements of advanced electronic systems.

AD8620ARZ FAQ

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6. What is the process for return or replacement of AD8620ARZ?

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 AD8620ARZ we delivered, we will accept the replacement or return of the AD8620ARZ 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 AD8620ARZ.

(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