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Name: AD7746ARUZ-REEL7
Brand: Analog Devices Inc.
SKU: AD7746ARUZ-REEL7
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Analog Devices Inc. AD7746ARUZ-REEL7

Part No.:: AD7746ARUZ-REEL7

Manufacturer:: Analog Devices Inc.

Package:: 16-TSSOP (0.173, 4.40mm Width)

Datasheet:

Description:: IC CAP TO DGT CONV 24BIT 16TSSOP

In Stock:: 2429

Quantity:: Add To Cart

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AD7746ARUZ-REEL7 Specifications

Package/Case:
16-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Active
Type:
Capacitance-to-Digital Converter
NumberofChannels:
2
Resolution(Bits):
24 b
SamplingRate(PerSecond):
-
DataInterface:
Serial
VoltageSupplySource:
Single Supply
Voltage-Supply:
2.7V ~ 5.25V
OperatingTemperature:
-40°C ~ 125°C
MountingType:
Surface Mount

AD7746ARUZ-REEL7 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including AD7746ARUZ-REEL7 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for AD7746ARUZ-REEL7 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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AD7746ARUZ-REEL7 information

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AD7746ARUZ-REEL7 Typical application Circuitry

AD7746ARUZ-REEL7 is a high-resolution, 24-bit, capacitance-to-digital converter (CDC) developed by Analog Devices. This chip has been engineered to convert capacitive changes, typically derived from sensors or other sources, into a digital representation.

Application Scenarios:

The AD7746ARUZ-REEL7 can be integrated into various applications such as:

1. Humidity sensing

2. Mechanical strain sensing

3. Fluid level monitoring

4. Proximity sensing

...and several other contexts where capacitive change detection is crucial.

Parameter Features:

1. 24-bit resolution

2. Integrated voltage reference

3. Differential and single-ended input options

4. Temperature sensor on-chip

5. Programmable gain amplifier

6. I²C compatible serial interface

Detailed Application Scenario - Humidity Sensing:

Utilizing AD7746ARUZ-REEL7 for humidity sensing involves interfacing it with a capacitive humidity sensor. The change in humidity alters the sensor's capacitance, which the chip then converts into a digital signal. Here's how to set up the circuit:

1. Power Pins: The VDD pin of AD7746ARUZ-REEL7 should be connected to an appropriate power source (typically 3.3V or 5V). The AGND and DGND pins are grounded.

2. Capacitive Input: Connect the humidity sensor to the CIN1 and CIN2 pins. This forms the differential input for the capacitance to be measured.

3. Reference Capacitor: A reference capacitor should be linked between the CAPREFP and CAPREFN pins. This sets a reference against which the sensor's capacitance changes are gauged.

4. I²C Communication: The SDA (data line) and SCL (clock line) pins are employed for I²C communication with a microcontroller or another interface device. Ensure pull-up resistors are in place for both lines.

5. Temperature Compensation: If the application requires temperature-compensated humidity readings, the onboard temperature sensor can be utilized by accessing the TEMP output.

Design considerations:

1. PCB Layout: Minimize the distance between the AD7746ARUZ-REEL7 and the capacitive sensor to reduce noise pickup and enhance accuracy.

2. Filtering: Place a decoupling capacitor close to the VDD pin to filter out any power supply noise.

3. Communication: For stable I²C communication, make certain the pull-up resistor values on the SDA and SCL lines are correctly chosen, considering the bus capacitance and communication speed.

4. Environment: As humidity sensors are sensitive to contaminants, ensure that the environment doesn't introduce any agents that might affect the sensor's readings.

To wrap up, the AD7746ARUZ-REEL7 is a potent tool for high-precision capacitive sensing applications. When deploying it, especially in humidity sensing contexts, careful consideration of power, layout, and environmental factors is essential to achieve optimal results.

AD7746ARUZ-REEL7 FAQ

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6. What is the process for return or replacement of AD7746ARUZ-REEL7?

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 AD7746ARUZ-REEL7 we delivered, we will accept the replacement or return of the AD7746ARUZ-REEL7 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 AD7746ARUZ-REEL7.

(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