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Name: AD7874BNZ
Brand: Analog Devices Inc.
SKU: AD7874BNZ
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. AD7874BNZ

Part No.:: AD7874BNZ

Manufacturer:: Analog Devices Inc.

Package:: 28-DIP (0.600, 15.24mm)

Datasheet:: AD7874BNZ.pdf

Description:: IC DAS 12BIT 116K 28DIP

In Stock:: 2789

Quantity:: Add To Cart

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AD7874BNZ Specifications

Package/Case:
28-DIP (0.600, 15.24mm)
Packaging:
Tube
Series:
-
ProductStatus:
Active
Type:
Data Acquisition System (DAS)
NumberofChannels:
4
Resolution(Bits):
12 b
SamplingRate(PerSecond):
116k
DataInterface:
Parallel
VoltageSupplySource:
Dual ±
Voltage-Supply:
±5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Through Hole

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AD7874BNZ information

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AD7874BNZ Typical application Circuitry

AD7874BNZ

The AD7874BNZ is a quad-channel, 12-bit analog-to-digital converter (ADC) designed for applications requiring simultaneous and precise conversion of multiple analog signals to digital data.

Application Scenarios:

1. Environmental Monitoring Systems: Used in systems for monitoring temperature, humidity, and other environmental parameters.

2. Industrial Process Control: Employed in industrial automation for simultaneous measurement of multiple process variables.

3. Medical Instrumentation: Utilized in medical devices for monitoring multiple physiological signals.

Parameter Features:

1. Quad-Channel ADC: Provides four independent 12-bit ADC channels, enabling simultaneous sampling of multiple analog signals.

2. Low Power Consumption: Designed for efficient power usage, suitable for battery-powered devices and energy-sensitive applications.

3. Serial Interface: Features a serial interface for communication with microcontrollers or digital processors, enabling compact system designs.

4. Wide Input Voltage Range: Supports a broad range of input voltages, providing flexibility in signal measurement and processing.

Circuit Design Example: Environmental Monitoring System

In this example, we'll design a circuit using the AD7874BNZ for an environmental monitoring system measuring temperature, humidity, light intensity, and air quality.

1. Analog Input Connection:

- Connect Sensors: Connect the outputs of temperature, humidity, light intensity, and air quality sensors to the analog input pins (AIN0, AIN1, AIN2, AIN3) of the AD7874BNZ.

2. Reference Voltage Configuration:

- Set Input Voltage Range: Connect a stable reference voltage to the VREF pin to define the maximum input voltage range of the ADC, ensuring accurate signal measurement.

3. Power Supply Arrangement:

- Supply Power: Connect a +5V power supply to the VDD pin and a ground connection to the GND pin to power the AD7874BNZ.

4. Digital Interface:

- Connect to Microcontroller: Interface the serial data output (SDO), serial clock (SCLK), and chip select (CS) pins of the AD7874BNZ with a microcontroller or digital processor for data communication.

5. Clock Source:

- Provide Clock Signal: Connect a stable clock source to the CLK IN pin to control the timing of the ADC conversions.

6. Start Conversion:

- Trigger Sampling: Connect a digital control signal from the microcontroller to the CONVST pin to initiate the conversion process.

Design Considerations:

1. Sensor Calibration: Ensure that the sensors connected to the ADC are properly calibrated to maintain the accuracy of the measurements.

2. Signal Integrity: Minimize noise and interference in the analog input signals to maintain the precision of the ADC conversions.

3. Stable Reference Voltage: Use a precise and stable reference voltage source to set the input voltage range accurately, crucial for accurate signal measurement.

4. Power Supply Quality: Provide a clean and stable power supply to the AD7874BNZ to prevent power-induced noise and errors in the measurements.

5. Thermal Management: Monitor the temperature of the ADC and provide adequate cooling if necessary to maintain optimal performance and prevent thermal-induced errors.

By carefully implementing the AD7874BNZ in your environmental monitoring system circuit with these considerations, you can achieve precise and simultaneous measurement of multiple environmental parameters.

AD7874BNZ FAQ

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6. What is the process for return or replacement of AD7874BNZ?

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 AD7874BNZ we delivered, we will accept the replacement or return of the AD7874BNZ 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 AD7874BNZ.

(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