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Texas Instruments ADS1281IPWR

Part No.:: ADS1281IPWR

Manufacturer:: Texas Instruments

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

Datasheet:: ADS1281IPWR.pdf

Description:: IC ADC 31BIT SIGMA-DELTA 24TSSOP

In Stock:: 8758

Quantity:: Add To Cart

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ADS1281IPWR Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®,Bulk
Series:
-
Product Status:
Active
Number of Bits:
31
Sampling Rate(PerSecond):
4k
Number of Inputs:
1
Input Type:
Differential, Single Ended
Data Interface:
SPI
Configuration:
ADC
Ratio-S/H:ADC:
-
Number of A/D Converters:
1
Architecture:
Sigma-Delta
Reference Type:
External
Voltage-Supply Analog:
5V
Voltage-Supply Digital:
1.65V ~ 3.6V
Features:
-
Operating Temperature:
-40°C ~ 85°C

ADS1281IPWR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including ADS1281IPWR 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 ADS1281IPWR 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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ADS1281IPWR information

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ADS1281IPWR Typical application Circuitry

ADS1281IPWR

The ADS1281IPWR is an integral component of the precision analog-to-digital converter (ADC) lineup from Texas Instruments, renowned for its exceptional resolution and accuracy, making it particularly well-suited for applications such as medical instrumentation, seismic data acquisition, and industrial measurement systems. The "IPWR" designation indicates its specific packaging and temperature grade, tailored for integration into systems where high precision and stability are paramount.

1. Power Supply Configuration (AVDD, DVDD, DGND, AGND): The ADS1281IPWR necessitates separate power domains for its analog (AVDD) and digital (DVDD) sections to maintain signal integrity, typically operating at 5V and 3.3V respectively. Distinct ground references for analog (AGND) and digital (DGND) circuits are critical to minimize noise coupling between these domains. Strategic placement of decoupling capacitors near these pins is essential to ensure a clean and stable power supply.

2. Reference Voltage Inputs (REFP, REFN): The differential reference voltage inputs, REFP and REFN, define the full-scale range of the ADC. Precision in these reference voltages is crucial, as they directly impact the conversion accuracy of the ADS1281IPWR.

3. Analog Input Channels (AINP, AINN): The ADS1281IPWR captures differential analog signals through AINP and AINN pins, necessitating careful routing and shielding to preserve the signal quality up to the point of digitization.

4. Serial Interface for Data and Control (SCLK, DIN, DOUT, DRDY, CS): The digital interface of the ADS1281IPWR includes SCLK (serial clock), DIN (data input), DOUT (data output), DRDY (data ready), and CS (chip select). This SPI-compatible interface facilitates communication with microcontrollers or digital systems for configuration and data retrieval, with DRDY acting as an indicator for data availability.

5. Oscillator Circuit (OSCIN, OSCOUT): An external oscillator connected to OSCIN and OSCOUT pins provides the clock source for the ADS1281IPWR. The stability and accuracy of this oscillator are vital for the overall performance of the ADC, affecting both the sampling rate and conversion accuracy.

6. PCB Design Strategies: Designing a PCB for the ADS1281IPWR demands meticulous attention to detail to optimize the ADC's performance. Key considerations include maintaining a clear separation between analog and digital sections, ensuring solid grounding practices, and employing differential routing for critical signals to enhance noise immunity.

7. Thermal Management Techniques: Proper thermal management is essential to maintain the ADS1281IPWR's precision over its operational range. Implementing thermal vias, selecting an appropriate PCB material, and considering passive or active cooling solutions are critical for dissipating heat effectively.

8. Signal Integrity Enhancements: Preserving signal integrity for the ADS1281IPWR involves minimizing the path lengths for critical analog signals, employing differential signaling for noise-sensitive paths, and strategically placing bypass and decoupling capacitors to mitigate power supply noise.

Incorporating the ADS1281IPWR into a design necessitates a comprehensive approach that addresses power supply integrity, analog and digital signal routing, thermal management, and careful PCB layout. By adhering to these design principles, the ADS1281IPWR can be effectively leveraged in systems requiring high-precision analog-to-digital conversion, ensuring exceptional performance and reliability in demanding applications.

ADS1281IPWR FAQ

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6. What is the process for return or replacement of ADS1281IPWR?

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 ADS1281IPWR we delivered, we will accept the replacement or return of the ADS1281IPWR 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 ADS1281IPWR.

(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