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Name: AD822ANZ
Brand: Analog Devices Inc.
SKU: AD822ANZ
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. AD822ANZ

Part No.:: AD822ANZ

Manufacturer:: Analog Devices Inc.

Package:: 8-DIP (0.300, 7.62mm)

Datasheet:

Description:: IC OPAMP GP 2 CIRCUIT 8DIP

In Stock:: 641

Quantity:: Add To Cart

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AD822ANZ Specifications

Package/Case:
8-DIP (0.300, 7.62mm)
Packaging:
Tube
Series:
-
ProductStatus:
Active
AmplifierType:
General Purpose
NumberofCircuits:
2
OutputType:
Rail-to-Rail
SlewRate:
3V/µs
GainBandwidthProduct:
1.9 MHz
-3dbBandwidth:
1.9 MHz
Current-InputBias:
2 pA
Voltage-InputOffset:
400 µV
Current-Supply:
1.24mA
Current-Output/Channel:
20 mA
Voltage-SupplySpan(Min):
5 V
Voltage-SupplySpan(Max):
30 V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Through Hole

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AD822ANZ information

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AD822ANZ Typical application Circuitry

AD822ANZ

The AD822ANZ is a dual-supply, rail-to-rail output operational amplifier (op-amp) designed for precision signal conditioning in a wide range of applications. It is commonly used in applications requiring low power consumption, such as sensor signal conditioning, battery-powered instruments, and portable medical devices.

Applications:

1. Photodiode Amplification: The AD822ANZ is used in photodiode amplification circuits to convert the small current generated by the photodiode into a measurable voltage signal.

2. Active Filters: In active filter circuits, this op-amp is employed to provide gain and filtering for signals in audio, communication, and instrumentation systems.

3. Voltage Followers: It is used as a voltage follower or buffer to provide high input impedance and low output impedance, ensuring signal integrity.

Parameter Features:

1. Dual-Supply Operation: The AD822ANZ can operate from dual supply voltages, allowing for bipolar input and output voltage ranges.

2. Rail-to-Rail Output: It offers a rail-to-rail output swing, maximizing the dynamic range in dual-supply applications.

3. Minimum Power Usage: Because of its low quiescent current, this device can be used in battery-powered applications.

Photodiode Amplification Circuit Design:

1. Photodiode Connection: The photodiode is linked in reverse bias mode, with the anode connected to the inverting input (pin 2) of the AD822ANZ and the cathode to the positive supply voltage.

2. The Review Network: Setting the transimpedance gain of the amplifier involves connecting a feedback resistor (Rf) between the inverting input (pin 2) and the output (pin 6). The addition of a capacitor (Cf) in parallel with Rf can enhance stability and lessen high-frequency noise.

3. Power Source: Dual supply voltages coupled to pins 8 (V+) and 4 (V-) power the AD822ANZ. To reduce noise, decoupling capacitors must to be positioned in close proximity to the supply pins.

4. Output Connection: The output of the AD822ANZ (pin 6) is connected to an ADC or a microcontroller for further processing of the amplified photodiode signal.

5. Non-Inverting Input: The non-inverting input (pin 3) is connected to a reference voltage (Vref) to set the output voltage when the photodiode current is zero.

Considerations for Design:

1. Power Supply Decoupling: To reduce noise and guarantee steady performance, the power supply must be properly disconnected.

2. Transimpedance Gain Selection: The required output voltage range and the photodiode current range should be taken into consideration when choosing the transimpedance gain.

3. Stability and Noise: To provide precise and low-noise amplification of the photodiode signal, stability and noise performance should be taken into account while choosing Rf and Cf.

In summary, the AD822ANZ is a versatile op-amp used in applications such as photodiode amplification, active filters, and voltage followers. When designing circuits with the AD822ANZ, considerations such as power supply decoupling, transimpedance gain selection, and stability and noise performance are crucial to ensure optimal performance.

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6. What is the process for return or replacement of AD822ANZ?

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 AD822ANZ we delivered, we will accept the replacement or return of the AD822ANZ 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 AD822ANZ.

(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