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Name: AD9220ARS
Brand: Analog Devices Inc.
SKU: AD9220ARS
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. AD9220ARS

Part No.:: AD9220ARS

Manufacturer:: Analog Devices Inc.

Package:: 28-SSOP (0.209, 5.30mm Width)

Datasheet:: AD9220ARS.pdf

Description:: IC ADC 12BIT PIPELINED 28SSOP

In Stock:: 3472

Quantity:: Add To Cart

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AD9220ARS Specifications

Packaging:
Tube,Tube
Series:
-
Product Status:
Obsolete
Number of Bits:
12
Sampling Rate(PerSecond):
10M
Number of Inputs:
1
Input Type:
Differential, Single Ended
Data Interface:
Parallel
Configuration:
S/H-ADC
Ratio-S/H:ADC:
1:1
Number of A/D Converters:
1
Architecture:
Pipelined
Reference Type:
External, Internal
Voltage-Supply Analog:
5V
Voltage-Supply Digital:
2.7V ~ 5.25V
Features:
-
Operating Temperature:
-40°C ~ 85°C

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AD9220ARS information

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AD9220ARS Typical application Circuitry

AD9220ARS

The AD9220ARS is a cutting-edge 12-bit analog-to-digital converter (ADC) renowned for its rapid sampling rates and exceptional dynamic range. It is widely employed in sophisticated digital oscilloscopes, spectrum analyzers, and state-of-the-art data acquisition systems.

Application Scenario: A prominent application of the AD9220ARS is in the realm of digital audio processing. In this context, the ADC is pivotal in transforming analog audio signals into digital format for subsequent processing and analysis.

Key Parameters: The AD9220ARS boasts a maximum sampling rate of 20 MSPS, delivering 12-bit resolution with a Signal-to-Noise Ratio (SNR) of 70 dB. It operates efficiently with a +5V power supply and accommodates an input voltage range of ±1V.

Detailed Circuit Design for Digital Audio Processing:

1. Power Supply Integration: The AD9220ARS necessitates a stable +5V supply at its VDD pin (Pin 24), with the ground connection established at the GND pin (Pin 12). Ensuring a noise-free power supply is crucial for the ADC's precision.

2. Analog Input Configuration: Connect the analog audio signal to the differential input pins VIN+ (Pin 3) and VIN- (Pin 4). For single-ended inputs, ground VIN- and apply the signal to VIN+.

3. Reference Voltage Setup: Attach a precise 2V reference voltage to the REF IN pin (Pin 2) to define the ADC's ±1V input range. This voltage is critical for accurate signal conversion.

4. Clock Signal Provision: Supply a clean, stable clock signal to CLK IN (Pin 23) to set the ADC's sampling rate. The integrity of the clock signal is vital for precise sampling.

5. Digital Output Connectivity: The ADC's digital output is accessible through pins D0 to D11 (Pins 5 to 16), which should be interfaced with the digital audio processing circuitry.

6. Decoupling Measures: Employ bypass capacitors, typically 0.1µF, near the VDD and GND pins to filter out high-frequency noise from the power supply.

Design Considerations:

- Signal Integrity: Meticulously design the PCB layout to minimize noise and interference on both the analog input and clock signal. Utilize short, shielded traces and robust grounding techniques.

- Thermal Management: Address heat dissipation for the AD9220ARS through adequate cooling measures, such as heatsinks or forced air circulation.

- Power Supply Purity: Use a low-noise power supply or incorporate additional filtering to ensure the power supply's cleanliness, as this directly impacts the ADC's performance.

By adopting these design strategies and meticulously following the specified pin connections, one can create a high-fidelity digital audio processing system using the AD9220ARS ADC. This approach ensures accurate and reliable signal conversion, which is essential for high-quality audio applications.

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6. What is the process for return or replacement of AD9220ARS?

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 AD9220ARS we delivered, we will accept the replacement or return of the AD9220ARS 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 AD9220ARS.

(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