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Name: AD7655ASTZ
Brand: Analog Devices Inc.
SKU: AD7655ASTZ
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. AD7655ASTZ

Part No.:: AD7655ASTZ

Manufacturer:: Analog Devices Inc.

Package:: 48-LQFP

Datasheet:: AD7655ASTZ.pdf

Description:: IC ADC 16BIT SAR 48LQFP

In Stock:: 2206

Quantity:: Add To Cart

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AD7655ASTZ Specifications

Packaging:
Tray
Series:
PulSAR®
Product Status:
Active
Number of Bits:
16
Sampling Rate(PerSecond):
1M
Number of Inputs:
2, 4
Input Type:
Pseudo-Differential, Single Ended
Data Interface:
SPI, Parallel, DSP
Configuration:
MUX-S/H-MUX-ADC
Ratio-S/H:ADC:
2:1
Number of A/D Converters:
1
Architecture:
SAR
Reference Type:
External
Voltage-Supply Analog:
5V
Voltage-Supply Digital:
5V
Features:
Simultaneous Sampling
Operating Temperature:
-40°C ~ 85°C

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AD7655ASTZ information

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AD7655ASTZ Typical application Circuitry

AD7655ASTZ

The AD7655ASTZ is a high-performance, dual 16-bit analog-to-digital converter (ADC) from Analog Devices, belonging to a series renowned for delivering exceptional accuracy and speed in data conversion. This ADC is designed to cater to applications requiring high-resolution digital outputs from analog signals, such as medical imaging, data acquisition systems, and industrial control systems. The AD7655ASTZ stands out for its simultaneous dual-channel sampling capability, allowing for the precise and synchronized acquisition of signals, a critical feature in many high-end applications where data integrity and timing are paramount.

1. Dual Independent Analog Inputs (AIN1, AIN2 Pins): The AD7655ASTZ features two independent analog input pins, AIN1 and AIN2, each dedicated to one of the dual ADC channels within the device. These inputs allow for the simultaneous sampling of two separate analog signals, providing flexibility and efficiency in systems where multiple signal sources need to be digitized concurrently.

2. Reference Voltage Inputs (REFIN+/REFIN- Pins): The accuracy of the AD7655ASTZ's conversions is further enhanced by its reference voltage inputs, REFIN+ and REFIN-. These pins are used to set the reference voltage for the ADC, directly impacting the precision of the conversion process. By providing a stable and precise reference voltage, users can optimize the performance of the AD7655ASTZ for their specific application requirements.

3. Digital Interface and Control (DB[15:0], RD, CS, WR Pins): The AD7655ASTZ is equipped with a parallel digital interface, consisting of data output pins DB[15:0], facilitating the transfer of the converted digital data to a microcontroller or digital processor. The RD (Read), CS (Chip Select), and WR (Write) control pins manage the timing and access to the data conversion results, ensuring seamless integration into digital systems and enabling efficient data retrieval.

4. Power Supply and Grounding (VDD, DGND, AGND Pins): The device operates with a single power supply connected to the VDD pin, supporting a range of +5V, and features separate ground pins for the digital (DGND) and analog (AGND) sections. This separation minimizes noise interference between the digital and analog circuits within the device, crucial for maintaining the integrity of the analog signals being converted.

5. Conversion Start and Reset (CONVST, RESET Pins): The CONVST pin initiates the conversion process, allowing for precise control over the timing of data acquisition. The RESET pin is used to reset the internal circuitry of the AD7655ASTZ, ensuring that the device is in a known state upon startup or after an error condition, further enhancing the reliability of the conversion process.

6. Busy Indicator (BUSY Pin): The BUSY pin provides an output signal indicating when the AD7655ASTZ is in the process of converting an analog signal to digital form. This feature allows external controllers to efficiently manage data retrieval, ensuring that attempts to read conversion results are made only when the device is ready, thereby avoiding data corruption.

The AD7655ASTZ embodies the advanced engineering and high standards of Analog Devices' ADC offerings, providing robust solutions for systems requiring high-speed, dual-channel analog-to-digital conversion. Its comprehensive pin configuration and operational features ensure that it can be integrated into a wide range of applications, making the AD7655ASTZ a versatile and essential component for designers and engineers focused on achieving high precision in data acquisition and signal processing.

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6. What is the process for return or replacement of AD7655ASTZ?

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 AD7655ASTZ we delivered, we will accept the replacement or return of the AD7655ASTZ 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 AD7655ASTZ.

(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