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Name: AD7265BSUZ
Brand: Analog Devices Inc.
SKU: AD7265BSUZ
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. AD7265BSUZ

Part No.:: AD7265BSUZ

Manufacturer:: Analog Devices Inc.

Package:: 32-TQFP

Datasheet:: AD7265BSUZ.pdf

Description:: IC ADC 12BIT SAR 32TQFP

In Stock:: 320

Quantity:: Add To Cart

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AD7265BSUZ Typical application Circuitry

AD7265BSUZ

The AD7265BSUZ is a versatile analog-to-digital converter (ADC) chip that excels in simultaneously sampling and converting multiple analog signals into digital data. It features a dual 12-bit ADC with a high sampling rate, making it ideal for applications that require rapid and precise data acquisition from multiple channels.

Functionality: The AD7265BSUZ's primary function is to effectively convert analog input signals into digital output data. Because of its dual-channel architecture, simultaneous sampling is possible, guaranteeing precise and timely data gathering.

Application Scenarios: This ADC is well-suited for use in multi-channel data acquisition systems, industrial process control, medical instrumentation, and any application where rapid and accurate conversion of multiple analog signals is required.

Parameter Features: The AD7265BSUZ boasts a 12-bit resolution, providing fine granularity in the digital output. It operates with a single +5V power supply and features a high sampling rate, making it capable of handling fast-changing signals.

Circuit Design for a Multi-Channel Data Acquisition System:

1. Setup of Power Supply: To power the AD7265BSUZ, connect a reliable +5V supply to pin 24, ground pin 12, and connect pin 24 to the VDD pin. To provide a clean and steady power supply, use decoupling capacitors close to the power pins.

2. Connections for Analog Input: To sample two channels simultaneously, connect the analog input signals to pins 1 and 16, which correspond to VIN0 and VIN1, respectively. Make sure the input signals fall within the ADC's designated voltage range.

3. Setup of Reference Voltage: Attach a constant reference voltage to pin 23, also known as the VREF pin, in order to set up the ADC's full-scale input range. The reference voltage to be utilized depends on the planned input range for the analog signals.

4. Digital Interface: Interface the ADC with a microcontroller or digital signal processor using the SPI interface. Connect the SCLK, CS, and SDATA pins (pins 6, 7, and 8, respectively) for serial data communication.

5. Control Signals: Connect digital control signals to the RANGE and WR pins (pins 21 and 22, respectively) to configure the input range and initiate conversions. These signals can be driven by the controlling microprocessor based on the application requirements.

6. Data Acquisition Protocol: In a multi-channel data acquisition system, the AD7265BSUZ can be used to sample multiple sensors simultaneously. The controlling software should be programmed to initiate conversions, read the digital output data, and process the data as required by the application.

Design Considerations:

- The stability of the power supply and reference voltage is crucial for maintaining the accuracy of the ADC's output.

It is important to use proper grounding and layout procedures to reduce noise and guarantee the integrity of the analog signals.

- The sampling rate of the ADC should be considered in the context of the dynamic characteristics of the input signals.

- Error checking and handling mechanisms should be implemented in the software to detect and correct any communication errors between the ADC and the digital controller.

By following these guidelines, a robust and accurate multi-channel data acquisition system can be developed using the AD7265BSUZ, ensuring reliable and synchronized sampling of multiple analog signals.

AD7265BSUZ information

AD7265BSUZ Specifications

Packaging:
Tray
Series:
-
Product Status:
Active
Number of Bits:
12
Sampling Rate(PerSecond):
1M
Number of Inputs:
6, 12
Input Type:
Differential, Pseudo-Differential, Single Ended
Data Interface:
SPI, DSP
Configuration:
MUX-S/H-ADC
Ratio-S/H:ADC:
1:1
Number of A/D Converters:
2
Architecture:
SAR
Reference Type:
External, Internal
Voltage-Supply Analog:
2.7V ~ 5.25V
Voltage-Supply Digital:
2.7V ~ 5.25V
Features:
Simultaneous Sampling
Operating Temperature:
-40°C ~ 125°C

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6. What is the process for return or replacement of AD7265BSUZ?

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 AD7265BSUZ we delivered, we will accept the replacement or return of the AD7265BSUZ 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 AD7265BSUZ.

(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