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Name: AD7865ASZ-1
Brand: Analog Devices Inc.
SKU: AD7865ASZ-1
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. AD7865ASZ-1

Part No.:: AD7865ASZ-1

Manufacturer:: Analog Devices Inc.

Package:: 44-QFP

Datasheet:: AD7865ASZ-1.pdf

Description:: IC ADC 14BIT SAR 44MQFP

In Stock:: 3698

Quantity:: Add To Cart

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AD7865ASZ-1 Specifications

Packaging:
Bulk,Tray
Series:
-
Product Status:
Active
Number of Bits:
14
Sampling Rate(PerSecond):
350k
Number of Inputs:
4
Input Type:
Single Ended
Data Interface:
Parallel
Configuration:
S/H-MUX-ADC
Ratio-S/H:ADC:
4:1
Number of A/D Converters:
1
Architecture:
SAR
Reference Type:
External, Internal
Voltage-Supply Analog:
5V
Voltage-Supply Digital:
5V
Features:
Simultaneous Sampling
Operating Temperature:
-40°C ~ 85°C

AD7865ASZ-1 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including AD7865ASZ-1 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 AD7865ASZ-1 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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AD7865ASZ-1 information

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AD7865ASZ-1 Typical application Circuitry

AD7865ASZ-1

The AD7865ASZ-1 is a high-speed, low-power, 14-bit analog-to-digital converter (ADC) that features four analog input channels, each with its dedicated sample-and-hold amplifier. It is designed to operate with a 5 V power supply and incorporates a 2.5 V reference and a track/hold function.

Application Scenarios

The AD7865ASZ-1 is suitable for various scenarios:

- Multichannel data acquisition systems

- Process control and industrial automation

- Portable medical diagnostic equipment

- Multi-sensor monitoring systems

Parameter Features

Key features of the AD7865ASZ-1 include:

- Four independent analog input channels

- 14-bit resolution with high speed

- Single 5 V power supply operation

- Integrated 2.5 V reference voltage

- Low power consumption

Example Application Scenario: Multichannel Data Acquisition System

Here's a detailed circuit design using the AD7865ASZ-1 for a multichannel data acquisition system:

Power Supply Connection

First, the AD7865ASZ-1 must be connected to a stable 5 V power supply at the VDD pin (pin 24) and grounded through the AGND and DGND pins (pins 12 and 13, respectively). This ensures that the ADC operates correctly and minimizes digital noise in the analog signals.

Analog Input Connection

Second, connect the analog signals to be converted to the four analog input channels, IN0 to IN3 (pins 1, 5, 2, and 6, respectively). Each channel can be connected to different sensors or signal sources, depending on the application requirements.

Reference Voltage Setup

Third, although the AD7865ASZ-1 includes an internal 2.5 V reference (REFIN/REFOUT, pin 23), an external precision reference can be connected to this pin for applications requiring higher accuracy. Ensure that the reference voltage does not exceed the specified maximum to prevent damage to the ADC.

Digital Interface Connection

Fourth, the digital output pins (DB11-DB0, pins 14-21, and 26-29) should be connected to the corresponding input pins of a microcontroller or DSP for data processing. The RD (Read, pin 22), CS (Chip Select, pin 9), and WR (Write, pin 7) control pins need to be appropriately interfaced with the digital system to control the data conversion and transfer processes.

Clock Input

Lastly, a clock signal must be provided to the CLK IN pin (pin 8) to drive the conversion process. The clock frequency will determine the conversion speed and must be chosen based on the AD7865ASZ-1 specifications and application requirements.

Design Considerations

When designing circuits with the AD7865ASZ-1, several factors should be carefully considered:

- Power Supply Quality: Use a clean and stable power supply to minimize noise and ensure accurate ADC conversions.

- Signal Integrity: Maintain short and direct paths for analog signals to minimize noise and signal degradation. Use separate ground planes for analog and digital sections if possible, to reduce noise coupling.

- Clock Signal Quality: The quality of the clock signal is critical for achieving accurate conversions. Ensure the clock source is stable and has minimal jitter.

- Thermal Management: Even though the AD7865ASZ-1 is a low-power device, proper thermal management should be considered to prevent overheating in high-temperature environments or high-channel-utilization scenarios.

By following these detailed design guidelines and considering the critical factors mentioned, the AD7865ASZ-1 can be effectively used in designing sophisticated multichannel data acquisition systems, offering high-speed, high-precision analog-to-digital conversion across multiple channels.

AD7865ASZ-1 FAQ

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6. What is the process for return or replacement of AD7865ASZ-1?

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 AD7865ASZ-1 we delivered, we will accept the replacement or return of the AD7865ASZ-1 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 AD7865ASZ-1.

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

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations