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Name: AD9220AR
Brand: Analog Devices Inc.
SKU: AD9220AR
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. AD9220AR

Part No.:: AD9220AR

Manufacturer:: Analog Devices Inc.

Package:: 28-SOIC (0.295, 7.50mm Width)

Datasheet:: AD9220AR.pdf

Description:: IC ADC 12BIT PIPELINED 28SOIC

In Stock:: 2028

Quantity:: Add To Cart

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AD9220AR Specifications

Packaging:
Bulk,Tube
Series:
-
Product Status:
Active
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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AD9220AR information

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AD9220AR Typical application Circuitry

AD9220AR

Dive into the world of high-speed data conversion with the AD9220AR, a 12-bit ADC renowned for its rapid sampling capabilities, reaching up to 20 MSPS. This chip stands out for its exceptional dynamic performance, minimal power draw, and versatility in handling a broad spectrum of demanding tasks.

Utilization Scenarios of the AD9220AR

The AD9220AR shines in scenarios requiring swift data acquisition, such as in digital oscilloscopes and spectrum analyzers. Its prowess extends to medical imaging systems and communication systems, where it plays a crucial role in converting analog signals for digital processing.

Key Specifications

- Resolution: 12 bits for precise data representation

- Max Sampling Rate: 20 MSPS for capturing fast-changing signals

- Input Range: ±1 V, accommodating a variety of signal amplitudes

- Power Supply: A single +5 V source for operation

- Consumption: A modest 175 mW, optimizing power efficiency

- INL and DNL: Both within ±1 LSB, ensuring accuracy in conversion

Designing a Circuit for Digital Oscilloscope Use of the AD9220AR

1. Ensuring Stable Power: Connect a +5 V supply to the VDD pin (24) and ground the GND pin (12) for a stable power base.

2. Conditioning the Input Signal: Route your analog signal to VIN+ (7), with VIN- (6) grounded for bipolar signals. An input buffer may be necessary to align the signal's characteristics with the ADC's requirements.

3. Clocking the ADC: The CLK+ pin (23) needs a consistent clock signal, up to 20 MHz, to dictate the sampling rate.

4. Retrieving Digital Output: Connect pins D0 to D11 (13 to 22) to the digital interface of your oscilloscope or data processor to access the converted data.

5. Setting the Reference Voltage: Apply a precise 2.5 V reference to the REF pin (1) to define the ADC's full-scale range.

6. Minimizing Noise: Place bypass capacitors near the power and reference pins to filter out any unwanted noise and stabilize the ADC's operation.

Considerations for a Robust Design of the AD9220AR

- Preserving Signal Quality: Ensure the analog input is free from noise to maintain the integrity of the digitized data.

- Clock Precision: Opt for a clock source with minimal jitter to reduce sampling errors and enhance the ADC's dynamic performance.

- Power Integrity: Implement effective decoupling to minimize power supply noise and prevent interference between the analog and digital sections.

- Heat Management: Provide sufficient cooling to prevent thermal issues, especially at higher sampling rates, to preserve the ADC's efficiency.

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6. What is the process for return or replacement of AD9220AR?

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 AD9220AR we delivered, we will accept the replacement or return of the AD9220AR 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 AD9220AR.

(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