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Name: AD7874BRZ
Brand: Analog Devices Inc.
SKU: AD7874BRZ
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. AD7874BRZ

Part No.:: AD7874BRZ

Manufacturer:: Analog Devices Inc.

Package:: 28-SOIC (0.295, 7.50mm Width)

Datasheet:: AD7874BRZ.pdf

Description:: IC DAS 12BIT 116K 28SOIC

In Stock:: 3204

Quantity:: Add To Cart

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AD7874BRZ Specifications

Package/Case:
28-SOIC (0.295, 7.50mm Width)
Packaging:
Bulk,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:
Surface Mount

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AD7874BRZ information

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AD7874BRZ Typical application Circuitry

AD7874BRZ

The AD7874BRZ 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. Data Acquisition Systems: Used in systems for acquiring data from multiple sensors in scientific and industrial applications.

2. Instrumentation: Employed in electronic instruments for measuring and analyzing multiple signals.

3. Battery-Powered Devices: Utilized in battery-powered devices for energy-efficient multi-channel signal conversion.

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 energy-sensitive and battery-powered 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: Battery-Powered Data Acquisition System

In this example, we'll design a circuit using the AD7874BRZ for a battery-powered data acquisition system measuring temperature, humidity, light intensity, and pressure.

1. Analog Input Connection:

- Connect Sensors: Connect the outputs of temperature, humidity, light intensity, and pressure sensors to the analog input pins (AIN0, AIN1, AIN2, AIN3) of the AD7874BRZ.

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 battery to the VDD pin and a ground connection to the GND pin to power the AD7874BRZ.

4. Digital Interface:

- Connect to Microcontroller: Interface the serial data output (SDO), serial clock (SCLK), and chip select (CS) pins of the AD7874BRZ 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 Compatibility: Ensure that the sensors connected to the ADC are compatible with the input voltage range and provide signals within the ADC's measurement range.

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

3. Power Efficiency: Optimize the power consumption of the system, especially for battery-powered applications, to ensure long battery life.

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

5. Data Communication: Ensure reliable communication between the AD7874BRZ and the microcontroller, especially in battery-powered systems where power fluctuations may occur.

By carefully implementing the AD7874BRZ in your battery-powered data acquisition system circuit with these considerations, you can achieve precise and simultaneous measurement of multiple environmental parameters with energy efficiency.

AD7874BRZ FAQ

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6. What is the process for return or replacement of AD7874BRZ?

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 AD7874BRZ we delivered, we will accept the replacement or return of the AD7874BRZ 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 AD7874BRZ.

(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