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Name: AD7655ASTZRL
Brand: Analog Devices Inc.
SKU: AD7655ASTZRL
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. AD7655ASTZRL

Part No.:: AD7655ASTZRL

Manufacturer:: Analog Devices Inc.

Package:: 48-LQFP

Datasheet:: AD7655ASTZRL.pdf

Description:: IC ADC 16BIT SAR 48LQFP

In Stock:: 4928

Quantity:: Add To Cart

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AD7655ASTZRL Typical application Circuitry

AD7655ASTZRL

The AD7655ASTZRL is a critical member of Analog Devices' family of dual 16-bit analog-to-digital converters (ADCs), celebrated for their precision and efficiency in converting analog signals into high-resolution digital data. Designed to meet the stringent requirements of applications such as precision data acquisition, medical equipment, and industrial process control, the AD7655ASTZRL distinguishes itself with simultaneous dual-channel sampling capability. This feature enables the accurate and synchronized acquisition of data from two analog sources, a necessity in complex systems where data integrity and timing are crucial.

1. Dedicated Analog Input Channels (AIN1A, AIN1B, AIN2A, AIN2B Pins): The AD7655ASTZRL offers four analog input pins, divided into two pairs: AIN1A and AIN1B for the first channel, and AIN2A and AIN2B for the second. This configuration allows for the differential sampling of analog signals, enhancing the precision and reducing the noise in the conversion process. The ability to process two differential signals simultaneously underscores the AD7655ASTZRL's utility in multi-signal environments.

2. Reference Voltage Configuration (REFIN+/REFIN- Pins): For ensuring the accuracy of conversions, the AD7655ASTZRL utilizes external reference voltage inputs through the REFIN+ and REFIN- pins. These pins are vital for setting the ADC's reference voltage, influencing the scale of digital conversion and thereby allowing users to tailor the device's performance to specific application needs.

3. Parallel Digital Interface (DB[15:0], CS, RD, WR Pins): The AD7655ASTZRL is equipped with a 16-bit parallel data bus (DB[15:0]) for the output of digital data, alongside control pins including CS (Chip Select), RD (Read), and WR (Write). This setup facilitates the rapid and straightforward retrieval of digital data post-conversion, making the ADC compatible with a wide range of microcontrollers and digital processors for efficient data processing and analysis.

4. Power Supply and Ground Separation (AVDD, DVDD, AGND, DGND Pins): To power its operations, the AD7655ASTZRL requires separate analog (AVDD) and digital (DVDD) power supplies, enhancing the device's performance by isolating the analog and digital sections to reduce noise interference. The separation of analog (AGND) and digital (DGND) grounds further mitigates potential signal contamination, ensuring the fidelity of both the input analog signals and the output digital data.

5. Conversion Control and Status Indication (CONVST, BUSY Pins): The conversion process is initiated through the CONVST pin, which starts the sampling and conversion upon triggering, allowing precise control over data acquisition timing. The BUSY pin serves as an indicator of the ADC's status, signaling when the device is actively converting and when the data is ready for retrieval, thereby optimizing the data handling workflow.

6. System Reset for Reliability (RESET Pin): The inclusion of a RESET pin provides a mechanism for resetting the internal circuits of the AD7655ASTZRL, ensuring that the device starts in a known state or can be quickly recovered from error conditions. This feature is essential for maintaining the reliability and stability of systems that incorporate the ADC.

The AD7655ASTZRL is a testament to Analog Devices' commitment to advancing ADC technology, offering high-speed, dual-channel data conversion with exceptional precision. Its detailed pin layout and operational features are meticulously designed to facilitate easy integration into advanced electronic systems, making the AD7655ASTZRL a valuable asset for engineers and designers tasked with developing applications requiring meticulous analog-to-digital conversion.

AD7655ASTZRL information

AD7655ASTZRL Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
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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6. What is the process for return or replacement of AD7655ASTZRL?

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 AD7655ASTZRL we delivered, we will accept the replacement or return of the AD7655ASTZRL 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 AD7655ASTZRL.

(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