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Name: AD605BRZ
Brand: Analog Devices Inc.
SKU: AD605BRZ
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. AD605BRZ

Part No.:: AD605BRZ

Manufacturer:: Analog Devices Inc.

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

Datasheet:: AD605BRZ.pdf

Description:: IC OPAMP VGA 2 CIRCUIT 16SOIC

In Stock:: 139

Quantity:: Add To Cart

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AD605BRZ Specifications

Packaging:
Bulk,Tube
Series:
X-AMP®
ProductStatus:
Active
Frequency:
-
P1dB:
15dBm
Gain:
34dB
NoiseFigure:
12dB
RFType:
-
Voltage-Supply:
4.5V ~ 5.5V
Current-Supply:
23mA
TestFrequency:
-
MountingType:
Surface Mount

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AD605BRZ information

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AD605BRZ Typical application Circuitry

AD605BRZ

The AD605BRZ is a dual, low noise, single-supply variable gain amplifier (VGA) designed for use in applications requiring precise gain control, high dynamic range, and low noise performance. It is frequently utilized in baseband signal processing, radar, IF amplification, and wireless communication systems.

Key Features:

1. Variable Gain Range: The AD605BRZ offers a gain range from -11 dB to +31 dB, allowing for flexible signal conditioning.

2. Low Noise Figure: With a low noise figure of 7 dB at maximum gain, it is suitable for high-fidelity signal processing.

3. Single Supply Operation: The device operates from a single 5 V supply, simplifying power supply design.

4. Differential Inputs and Outputs: This feature provides improved noise rejection and signal integrity.

Application Scenario - IF Amplification in Wireless Communication:

In this application, the AD605BRZ is used as an intermediate frequency (IF) amplifier in a wireless communication receiver. The VGA adjusts the gain to maintain a constant signal level at the output, compensating for variations in signal strength.

Detailed Circuit Connection:

1. Power Supply: Connect a 5 V supply to the VPOS pin (pin 16) and ground to the GND pin (pin 8).

2. Input Signal: Apply the differential IF signal to the INA+ (pin 1) and INA- (pin 3) inputs.

3. Gain Control: Connect a voltage source to the VGNDA pin (pin 10) to control the gain. The gain varies linearly with the voltage applied.

4. Output: The amplified differential output can be taken from OUTA+ (pin 13) and OUTA- (pin 15).

5. Decoupling Capacitors: Place decoupling capacitors close to the power supply pins to filter out noise and provide stable operation.

6. Impedance Matching: Ensure proper impedance matching at the input and output to maximize signal transfer and minimize reflections.

Design Considerations:

- Stability: Care should be taken to ensure the stability of the circuit, especially at high gains. Proper decoupling and layout techniques should be used.

- Thermal Management: The AD605BRZ can dissipate heat, so adequate thermal management should be considered in the design.

- Signal Integrity: Maintain proper routing and shielding of signals to prevent noise and interference.

In summary, the AD605BRZ is a versatile VGA that can be effectively used in IF amplification for wireless communication systems. By following the detailed circuit connection and considering key design aspects, a reliable and high-performance application can be achieved.

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6. What is the process for return or replacement of AD605BRZ?

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 AD605BRZ we delivered, we will accept the replacement or return of the AD605BRZ 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 AD605BRZ.

(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