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Name: AD7746ARUZ-REEL
Brand: Analog Devices Inc.
SKU: AD7746ARUZ-REEL
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. AD7746ARUZ-REEL

Part No.:: AD7746ARUZ-REEL

Manufacturer:: Analog Devices Inc.

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

Datasheet:

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

In Stock:: 3307

Quantity:: Add To Cart

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AD7746ARUZ-REEL 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-REEL this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including AD7746ARUZ-REEL 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-REEL 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-REEL information

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AD7746ARUZ-REEL Typical application Circuitry

The AD7746ARUZ-REEL is a component developed by Analog Devices, known for its precise capacitive sensing abilities. This capacitance-to-digital converter (CDC) is tailored to transform capacitive variations (often from various sensors) into an actionable digital format.

Usage Domains:

This AD7746ARUZ-REEL is suitable for a range of applications:

1. Touch sensing systems

2. Fluid level determination

3. Position detection

4. Environmental humidity monitoring

...among others that require effective detection of capacitive changes.

Key Features:

1. Precision 24-bit resolution

2. On-chip voltage reference

3. Differential and single-ended inputs

4. Built-in temperature sensor

5. Configurable gain amplifier

6. Serial interface compatible with I²C protocol

Scenario Exploration - Touch Sensing Systems:

For a scenario like touch sensing, the AD7746ARUZ-REEL can be integrated to detect subtle capacitive changes when an object (like a human finger) approaches or touches a sensing surface. Let's dive into the specifics:

1. Power Configuration: Connect the chip's VDD pin to a suitable power source, commonly 3.3V or 5V, while grounding both AGND and DGND pins.

2. Sensing Connection: Link your capacitive touch sensor to the AD7746ARUZ-REEL's CIN1 and CIN2 pins. This establishes the differential input channel.

3. Stability Capacitor: Introduce a reference capacitor between the CAPREFP and CAPREFN pins. This acts as a standard to compare with the variable capacitance from the touch sensor.

4. Data Communication: Use the SDA (data) and SCL (clock) pins to establish I²C communication with a controller or another interfacing entity. Remember to introduce pull-up resistors on these lines.

5. Reset Functionality: If needed, the RESET pin can be configured to initiate a hardware reset, ensuring the ADC's functionality remains optimal.

Considerations in Circuit Design:

1. Trace Design: Keep the trace length between the AD7746ARUZ-REEL and touch sensor short. This minimizes potential noise interference and optimizes capacitive reading accuracy.

2. Decoupling: Integrate a decoupling capacitor near the VDD pin to negate any disruptions from the power source.

3. I²C Integrity: Ensure the pull-up resistors connected to SDA and SCL are appropriately valued, factoring in the overall bus capacitance and desired data rate.

4. Physical Barriers: Given that touch sensors detect objects in proximity, ensure the physical design doesn't unintentionally shield or hinder this capability.

In summary, the AD7746ARUZ-REEL offers a robust solution for applications demanding high-fidelity capacitive measurements. By diligently considering factors like trace design, power source quality, and physical design aspects, one can harness the full potential of this component.

AD7746ARUZ-REEL FAQ

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3. Are the AD7746ARUZ-REEL price and inventory displayed accurate?

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

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

(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