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Name: AD7730LBRUZ-REEL7
Brand: Analog Devices Inc.
SKU: AD7730LBRUZ-REEL7
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Analog Devices Inc. AD7730LBRUZ-REEL7

Part No.:: AD7730LBRUZ-REEL7

Manufacturer:: Analog Devices Inc.

Package:: 24-TSSOP (0.173, 4.40mm Width)

Datasheet:: AD7730LBRUZ-REEL7.pdf

Description:: IC AFE 1 CHAN 24BIT 24TSSOP

In Stock:: 3396

Quantity:: Add To Cart

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AD7730LBRUZ-REEL7 Specifications

Package/Case:
24-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Active
NumberofBits:
24
NumberofChannels:
1
Power(Watts):
125 mW
Voltage-SupplyAnalog:
5V
Voltage-SupplyDigital:
2.7V ~ 5.25V
MountingType:
Surface Mount

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AD7730LBRUZ-REEL7 information

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AD7730LBRUZ-REEL7 Typical application Circuitry

AD7730LBRUZ-REEL7

The AD7730LBRUZ-REEL7 is a high-precision, 24-bit sigma-delta (Σ-Δ) analog-to-digital converter (ADC) tailored for low frequency, high-accuracy measurement applications.

Application Scenarios

The AD7730LBRUZ-REEL7 is extensively used in:

- Precision weighing systems

- Industrial control systems

- Medical device instrumentation

- High-resolution data acquisition systems

Parameter Features

Key features of the AD7730LBRUZ-REEL7 include:

- 24-bit resolution providing high precision

- Sigma-delta modulation offering excellent noise rejection

- Programmable gain amplifier for a wide range of input signals

- Integrated low-noise programmable filters

- Single 5V power supply operation

- Serial interface compatible with SPI, QSPI™, MICROWIRE™, and DSP interface standards

Example Application Scenario: Precision Weighing System

Here's a detailed design for incorporating the AD7730LBRUZ-REEL7 into a precision weighing system:

Power Supply and Grounding

Firstly, connect the single 5V power supply to AVDD (pin 24) and DVDD (pin 23). Ground connections must be made to AGND (pin 1) and DGND (pin 22), ensuring that the layout minimizes noise interference between analog and digital grounds.

Load Cell Connection

Secondly, the load cell outputs are connected to the analog input channels AIN1- (pin 3) and AIN1+ (pin 4) of the AD7730LBRUZ-REEL7. Utilizing shielded cables for these connections is essential to protect the signal integrity from environmental noise.

Reference Voltage Setup

Thirdly, establish a stable and accurate reference voltage by connecting it to REF IN+ (pin 5) and REF IN- (pin 6). This reference voltage is critical for ensuring the accuracy and precision of the ADC conversions.

Serial Communication Interface

Fourthly, set up the serial communication interface to connect the AD7730LBRUZ-REEL7 with a microcontroller or digital processor. This involves wiring SCLK (Serial Clock, pin 9), MISO (Master In Slave Out, pin 8), MOSI (Master Out Slave In, pin 7), and CS (Chip Select, pin 10) for data exchange and control commands.

Configuration and Calibration

Lastly, configure the AD7730LBRUZ-REEL7 for the specific application requirements through the serial interface. This includes programming the gain, filter settings, and performing system calibration to compensate for any signal path errors, ensuring high accuracy in the measurements.

Design Considerations

When designing circuits with the AD7730LBRUZ-REEL7, several critical factors must be considered:

- Power Supply Quality: A stable and low-noise power supply is paramount for achieving the high precision that the AD7730LBRUZ-REEL7 is capable of.

- Signal Integrity: Careful PCB layout to minimize noise coupling into sensitive analog paths, including separate grounding for analog and digital sections, is crucial.

- Reference Voltage Stability: The accuracy of the entire system hinges on the stability and precision of the reference voltage; hence, a high-quality reference source should be employed.

- Thermal Management: While the AD7730LBRUZ-REEL7 is designed for low power consumption, maintaining a stable operating temperature is essential for high-accuracy applications.

Implementing a circuit with the AD7730LBRUZ-REEL7 for precision measurement tasks, while adhering to these design guidelines, ensures optimal performance and reliability, making it a standout choice for engineers looking to develop advanced measurement and control systems.

AD7730LBRUZ-REEL7 FAQ

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6. What is the process for return or replacement of AD7730LBRUZ-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 AD7730LBRUZ-REEL7 we delivered, we will accept the replacement or return of the AD7730LBRUZ-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 AD7730LBRUZ-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