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Name: AD7779ACPZ-RL
Brand: Analog Devices Inc.
SKU: AD7779ACPZ-RL
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. AD7779ACPZ-RL

Part No.:: AD7779ACPZ-RL

Manufacturer:: Analog Devices Inc.

Package:: 64-WFQFN Exposed Pad, CSP

Datasheet:: AD7779ACPZ-RL.pdf

Description:: IC ADC 24BIT SIGMA-DELTA 64LFCSP

In Stock:: 2475

Quantity:: Add To Cart

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AD7779ACPZ-RL Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
Product Status:
Active
Number of Bits:
24
Sampling Rate(PerSecond):
16k
Number of Inputs:
8
Input Type:
Differential, Single Ended
Data Interface:
Serial
Configuration:
PGA-ADC
Ratio-S/H:ADC:
1:1
Number of A/D Converters:
8
Architecture:
Sigma-Delta
Reference Type:
External, Internal
Voltage-Supply Analog:
±1.65V, 2.2V ~ 3.6V
Voltage-Supply Digital:
-
Features:
Simultaneous Sampling
Operating Temperature:
-40°C ~ 125°C

AD7779ACPZ-RL this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including AD7779ACPZ-RL 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 AD7779ACPZ-RL 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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AD7779ACPZ-RL information

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AD7779ACPZ-RL Typical application Circuitry

AD7779ACPZ-RL

The AD7779ACPZ-RL is a multifaceted, octal-channel, 24-bit analog-to-digital converter (ADC) known for its precision and efficiency. It's tailored for diverse applications like medical imaging, industrial process control, and high-end instrumentation. Its key features include a wide dynamic range, low noise, and an integrated programmable gain amplifier (PGA), making it ideal for capturing and processing minute signal variations.

Key Attributes

1. Resolution: 24 bits, ensuring high precision in data conversion.

2. Channels: 8 differential input channels, accommodating multiple signal sources.

3. Sampling Rate: Configurable up to 64 kSPS per channel, suitable for various data acquisition needs.

4. PGA: Programmable gain from 1 to 128, allowing signal amplification for better accuracy.

5. Digital Filtering: Incorporated SINC and FIR filters to minimize noise and enhance signal quality.

6. Interface: SPI communication protocol for seamless integration with microcontrollers or processors.

Application Scenario: Precision Measurement System

In a precision measurement system, the AD7779ACPZ-RL can be pivotal in acquiring accurate data from various sensors, such as strain gauges, thermocouples, or pressure transducers. This application requires meticulous attention to detail in the circuit design to preserve signal integrity and ensure accurate conversions.

Detailed Circuit Design for Precision Measurement System

1. Power Supply Management: Use separate low-noise linear regulators to provide +2.5V and +1.8V power to the AD7779ACPZ-RL. Decouple each supply pin with capacitors placed as close as possible to the ADC to filter out noise.

2. Reference Voltage Setup: Connect a high-precision 2.5V reference voltage source to the REFIN+/REFIN- pins (pins 35 and 36). Utilize decoupling capacitors to stabilize the reference voltage and minimize fluctuations.

3. Sensor Integration: Interface the sensors with the differential input channels AIN0+/AIN0- through AIN7+/AIN7- (pins 19-26 and 28-33). Employ shielded twisted-pair cables to connect the sensors and reduce electromagnetic interference.

4. SPI Communication: Establish communication with a microcontroller using the SPI interface pins (SCLK, SDI, SDO, and CS). Ensure proper impedance matching and use short, direct traces to maintain signal integrity.

5. Master Clock Provision: Provide a stable clock source to the MCLK pin (pin 37) to drive the ADC. Select a clock frequency that aligns with the desired sampling rate, and isolate the clock signal from noise sources.

6. Analog Input Filtering: Implement low-pass filters on the analog input channels to attenuate high-frequency noise and prevent aliasing. Choose filter components based on the desired cutoff frequency and signal characteristics.

7. PCB Layout Considerations: Segregate the analog and digital sections of the PCB to minimize digital noise coupling into the analog signals. Utilize a solid ground plane and route sensitive analog traces away from high-speed digital signals.

Design Considerations for Optimal Performance

- Isolation: Physically and electrically isolate the analog and digital circuitry to prevent digital switching noise from contaminating the analog signals.

- Thermal Management: Take action to efficiently disperse heat and keep the ADC's operating temperature steady.

- Signal Conditioning: Incorporate signal conditioning circuits, such as amplifiers or filters, to prepare the sensor signals for optimal ADC performance.

- Clock Stability: Ensure that the clock source for the ADC is stable and low-jitter to maintain consistent sampling and accuracy.

By meticulously designing the circuit and considering these factors, the AD7779ACPZ-RL can be effectively employed in a precision measurement system, delivering accurate and reliable data for analysis and decision-making.

AD7779ACPZ-RL FAQ

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6. What is the process for return or replacement of AD7779ACPZ-RL?

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 AD7779ACPZ-RL we delivered, we will accept the replacement or return of the AD7779ACPZ-RL 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 AD7779ACPZ-RL.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations