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Name: AD7266BSUZ
Brand: Analog Devices Inc.
SKU: AD7266BSUZ
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Analog Devices Inc. AD7266BSUZ

Part No.:: AD7266BSUZ

Manufacturer:: Analog Devices Inc.

Package:: 32-TQFP

Datasheet:: AD7266BSUZ.pdf

Description:: IC ADC 12BIT SAR 32TQFP

In Stock:: 827

Quantity:: Add To Cart

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AD7266BSUZ Typical application Circuitry

AD7266BSUZ

The AD7266BSUZ is a dual-channel, 12-bit analog-to-digital converter (ADC) that offers simultaneous sampling and a high-speed serial interface. This chip is ideal for applications that require the accurate and synchronous acquisition of multiple analog signals, such as in data logging systems and sensor interfaces.

Key Attributes of AD7266BSUZ

1. Simultaneous Dual-Channel Sampling: Facilitates the concurrent acquisition of two analog signals, essential for applications that demand precise time-correlation.

2. High-Speed SPI Interface: Enables rapid data transfer to a microcontroller or digital signal processor, suitable for real-time data processing.

3. Flexible Power Supply Requirements: Operates with a single 5V supply for analog operations and a 2.7V to 5.25V range for the digital interface, accommodating diverse system designs.

Application Example: Data Logging System

In a data logging system for environmental monitoring, the AD7266BSUZ can be employed to simultaneously sample temperature and humidity sensors. Here is a detailed circuit connection guide for this application:

1. Power Supply Connections: Connect a 5V source to the AVDD pin for analog operations and a 3.3V source to the DVDD pin for the digital interface.

2. Analog Sensor Inputs: Attach the temperature sensor to the IN1 pin and the humidity sensor to the IN2 pin for simultaneous sampling.

3. Reference Voltage Setup: Link a precise 2.5V reference to the REF pin to establish the input voltage range for the ADC.

4. Serial Communication Interface: Connect the SCLK, SDI, and SDO pins to the SPI interface of a microcontroller for efficient data transmission.

5. Grounding Considerations: Ensure that both the AGND and DGND pins are connected to the system ground to maintain signal integrity.

Circuit Design Considerations

When integrating the AD7266BSUZ into a circuit, it is important to consider the following aspects:

- Signal Integrity: Utilize short, impedance-matched traces for the analog inputs to minimize noise and ensure accurate signal sampling.

- Decoupling Capacitors: Place capacitors near the AVDD and DVDD pins to filter out noise and stabilize the power supply.

- Reference Voltage Stability: Use a high-quality voltage reference for the REF pin to ensure consistent and accurate ADC performance.

By incorporating the AD7266BSUZ into a data logging system for environmental monitoring, designers can achieve precise and synchronized sampling of temperature and humidity sensors, enabling accurate data analysis and insights.

AD7266BSUZ information

AD7266BSUZ Specifications

Packaging:
Tray
Series:
-
Product Status:
Active
Number of Bits:
12
Sampling Rate(PerSecond):
2M
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 AD7266BSUZ?

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 AD7266BSUZ we delivered, we will accept the replacement or return of the AD7266BSUZ 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 AD7266BSUZ.

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

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(1)Inform us within 90 days

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