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Name: AD7678ASTZ
Brand: Analog Devices Inc.
SKU: AD7678ASTZ
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. AD7678ASTZ

Part No.:: AD7678ASTZ

Manufacturer:: Analog Devices Inc.

Package:: 48-LQFP

Datasheet:: AD7678ASTZ.pdf

Description:: IC ADC 18BIT SAR 48LQFP

In Stock:: 3029

Quantity:: Add To Cart

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AD7678ASTZ Specifications

Packaging:
Tray
Series:
PulSAR®
Product Status:
Active
Number of Bits:
18
Sampling Rate(PerSecond):
100k
Number of Inputs:
1
Input Type:
Differential
Data Interface:
SPI, Parallel, DSP
Configuration:
S/H-ADC
Ratio-S/H:ADC:
1:1
Number of A/D Converters:
1
Architecture:
SAR
Reference Type:
External, Internal
Voltage-Supply Analog:
5V
Voltage-Supply Digital:
5V
Features:
-
Operating Temperature:
-40°C ~ 85°C

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AD7678ASTZ information

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AD7678ASTZ Typical application Circuitry Schematics

Analog Devices' AD7678ASTZ is a high-precision, quick analog-to-digital converter (ADC). This ADC can be used in a variety of applications, ranging from industrial control to medical imaging and scientific instruments. When designing an application circuit for the AD7678ASTZ, the following things should be considered:

1. Power Supply: The AD7678ASTZ operates from a +5V power supply for the analog components and a separate supply, ranging from +2.7V to +5.5V, for the digital interface. These power pins (AVDD and DVDD) must be connected to the power supply rails through decoupling capacitors to maintain signal integrity and stability.
2. Reference Voltage: The ADC requires a reference voltage (REF) to perform conversions. The AD7678ASTZ has an internal 2.5V reference, but you can also provide an external reference through the REFIN/OUT pin if your application requires a different reference voltage.
3. Analog Input: The AD7678ASTZ has a fully differential analog input. Your analog signal should be connected to the VIN+ and VIN- pins. Make sure that your input signal voltage does not exceed the ADC's input voltage range to avoid damaging the device.
4. Digital Outputs: The conversion result is available on the digital output pins (DB[15:0]). These pins would typically be interfaced with a microcontroller or other digital logic circuitry in your system.
5. Control Signals: Several control signals are available for managing the conversion process, such as the CNVST pin for initiating a conversion, the BUSY pin for indicating when a conversion is taking place, and the RD pin for reading the conversion result.
6. Digital Interface: The AD7678ASTZ supports a flexible digital interface, including a parallel and serial mode, which can be selected via the PD1 and PD0 pins.
Keep in mind that this is a condensed summary of the AD7678ASTZ application circuit. For a detailed description of how to integrate this ADC into your specific application, you should consult the AD7678ASTZ's datasheet and any relevant application notes provided by Analog Devices.

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6. What is the process for return or replacement of AD7678ASTZ?

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 AD7678ASTZ we delivered, we will accept the replacement or return of the AD7678ASTZ 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 AD7678ASTZ.

(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