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Name: AD9251BCPZ-20
Brand: Analog Devices Inc.
SKU: AD9251BCPZ-20
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. AD9251BCPZ-20

Part No.:: AD9251BCPZ-20

Manufacturer:: Analog Devices Inc.

Package:: 64-VFQFN Exposed Pad, CSP

Datasheet:: AD9251BCPZ-20.pdf

Description:: IC ADC 14BIT PIPELINED 64LFCSP

In Stock:: 3796

Quantity:: Add To Cart

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AD9251BCPZ-20 Specifications

Packaging:
Tray
Series:
-
Product Status:
Active
Number of Bits:
14
Sampling Rate(PerSecond):
20M
Number of Inputs:
2
Input Type:
Differential
Data Interface:
Parallel
Configuration:
S/H-ADC
Ratio-S/H:ADC:
1:1
Number of A/D Converters:
2
Architecture:
Pipelined
Reference Type:
External, Internal
Voltage-Supply Analog:
1.7V ~ 1.9V
Voltage-Supply Digital:
1.7V ~ 3.6V
Features:
Simultaneous Sampling
Operating Temperature:
-40°C ~ 85°C

AD9251BCPZ-20 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including AD9251BCPZ-20 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 AD9251BCPZ-20 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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AD9251BCPZ-20 information

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AD9251BCPZ-20 Typical application Circuitry

AD9251BCPZ-20

The AD9251BCPZ-20 is a high-performance, dual-channel 14-bit Analog-to-Digital Converter (ADC) operating at a sample rate of up to 20 MSPS (Mega Samples Per Second). This component is designed for applications requiring high dynamic range and high accuracy, such as medical imaging systems, data acquisition systems, wireless infrastructure, and radar systems

Application Scenario: Medical Imaging Systems

In the context of medical imaging systems, such as MRI (Magnetic Resonance Imaging) or Ultrasound, the AD9251BCPZ-20 plays a crucial role in digitizing analog signals received from the imaging sensors. Below is a detailed explanation of incorporating the AD9251BCPZ-20 into a medical imaging system circuit:

1.Supply Voltage Connections

The AD9251BCPZ-20 requires a stable power supply for its operation. It typically operates with a +1.8V supply for its analog circuitry (AVDD) and a separate +1.8V supply for its digital circuitry (DVDD). Providing clean and stable power is critical; thus, using low-dropout regulators (LDOs) and placing decoupling capacitors close to the supply pins is recommended to reduce supply noise.

2.Analog Input Handling

For high-quality imaging, the analog inputs to the AD9251BCPZ-20 (AINA+/- and AINB+/-) must be carefully managed. Differential inputs are used to minimize noise and interference. Implementing a matched impedance environment and using low-pass filtering on the input signals can further enhance signal quality by removing unwanted high-frequency components before ADC conversion.

3. Clocking Mechanism

A precise and stable clock source is imperative for the AD9251BCPZ-20 to ensure accurate sampling. The clock is provided to the CLK+ and CLK- pins for differential operation, which reduces system noise and jitter. Selecting a low-jitter clock source is crucial for maintaining the integrity of the digitized signal, especially in medical imaging applications where accuracy is paramount.

4. Digital Interface Configuration

The digital output of the AD9251BCPZ-20 is configured to interface with DSPs or FPGAs for further signal processing. The LVDS (Low-Voltage Differential Signaling) or CMOS output modes can be selected depending on the system requirements. It is important to ensure that the interfacing digital logic operates at compatible voltage levels and timing to prevent data corruption.

Design Considerations

When designing with the AD9251BCPZ-20, several key factors must be taken into account:

- Signal Integrity: Careful PCB layout design is required to maintain signal integrity, especially for the analog inputs and clock signals. Differential routing and impedance control are essential.

- Power Integrity: The power supply lines should be adequately filtered to minimize noise. Using separate LDOs for analog and digital supplies can help achieve this.

- Thermal Management: Even though the AD9251BCPZ-20 is designed for low power consumption, effective thermal management is necessary to ensure reliable operation under all conditions.

Incorporating the AD9251BCPZ-20 into a medical imaging system involves meticulous attention to the power supply, analog signal integrity, clock stability, and digital data handling. Ensuring these aspects are correctly managed will leverage the high-performance ADC capabilities of the AD9251BCPZ-20 for precise and accurate medical imaging applications.

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6. What is the process for return or replacement of AD9251BCPZ-20?

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 AD9251BCPZ-20 we delivered, we will accept the replacement or return of the AD9251BCPZ-20 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 AD9251BCPZ-20.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

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