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Name: ADS1294IPAG
Brand: Texas Instruments
SKU: ADS1294IPAG
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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Texas Instruments ADS1294IPAG

Part No.:: ADS1294IPAG

Manufacturer:: Texas Instruments

Package:: 64-TQFP

Datasheet:: ADS1294IPAG.pdf

Description:: IC AFE 4 CHAN 24BIT 64TQFP

In Stock:: 3894

Quantity:: Add To Cart

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ADS1294IPAG Typical application Circuitry

ADS1294IPAG

The ADS1294IPAG is a high-performance, multi-channel analog-to-digital converter (ADC) specifically designed for biomedical applications like electrocardiography (ECG) and electroencephalography (EEG). Manufactured by Texas Instruments, this chip is known for its precision in measuring biopotential signals.

Key Features of the ADS1294IPAG:

1. Multiple Channels: The ADS1294IPAG offers four channels, making it suitable for simultaneous multi-signal acquisition.

2. High Resolution: It provides 24-bit resolution, ensuring high precision in signal conversion.

3. Integrated Features: Comes with a built-in programmable gain amplifier (PGA) and right leg drive (RLD) circuits, enhancing its capability for biopotential measurements.

4. Low Power Consumption: Its energy efficiency is critical for portable medical devices.

Application Scenario: Multi-Lead ECG Monitoring System

Circuit Connection Details:

1. Power Supply Configuration: Connect the AVDD and DVDD pins of the ADS1294IPAG to a stable power source, within the range of 2.7V to 5.5V.

2. ECG Electrode Connections: Attach ECG electrodes to the IN1P/IN1N, IN2P/IN2N, IN3P/IN3N, and IN4P/IN4N pins for acquiring ECG signals from multiple leads.

3. SPI Communication Setup: Interface the SPI communication pins (CS, SCLK, DIN, DOUT) with a microcontroller for data transfer.

4. Reference Voltage and RLD Setup: Utilize an external precision reference voltage for the REFP and REFN pins and configure the RLD circuit for noise reduction.

Design Considerations:

1. Stable Power Supply: Ensuring a noise-free and stable power supply is essential for accurate ADC operation.

2. Electrode Placement and Shielding: Proper placement and shielding of ECG electrodes are crucial to minimize noise and interference in the signal.

3. SPI Communication Integrity: Implement a robust SPI communication protocol for reliable data transfer.

4. Patient Safety and Signal Integrity: Ensure proper isolation and safety measures are in place to protect patients and maintain signal integrity.

Conclusion

The ADS1294IPAG is highly effective for applications like multi-lead ECG monitoring systems, owing to its multi-channel capability, high resolution, integrated PGA, and low power consumption. Designing circuits with the ADS1294IPAG demands careful attention to power supply quality, electrode configuration, communication reliability, and patient safety considerations to achieve accurate, reliable, and safe biopotential signal acquisition.

ADS1294IPAG information

ADS1294IPAG Specifications

Package/Case:
64-TQFP
Packaging:
Tray
Series:
-
ProductStatus:
Active
NumberofBits:
24
NumberofChannels:
4
Power(Watts):
10.1 mW
Voltage-SupplyAnalog:
2.7V ~ 5.5V
Voltage-SupplyDigital:
1.65V ~ 3.6V
MountingType:
Surface Mount

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6. What is the process for return or replacement of ADS1294IPAG?

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 ADS1294IPAG we delivered, we will accept the replacement or return of the ADS1294IPAG 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 ADS1294IPAG.

(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