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Name: ADS1254E
Brand: Texas Instruments
SKU: ADS1254E
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 ADS1254E

Part No.:: ADS1254E

Manufacturer:: Texas Instruments

Package:: 20-SSOP (0.154, 3.90mm Width)

Datasheet:: ADS1254E.pdf

Description:: IC ADC 24BIT SIGMA-DELTA 20SSOP

In Stock:: 620

Quantity:: Add To Cart

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ADS1254E Specifications

Packaging:
Tube
Series:
-
Product Status:
Active
Number of Bits:
24
Sampling Rate(PerSecond):
20k
Number of Inputs:
4
Input Type:
Differential
Data Interface:
SPI
Configuration:
MUX-ADC
Ratio-S/H:ADC:
-
Number of A/D Converters:
1
Architecture:
Sigma-Delta
Reference Type:
External
Voltage-Supply Analog:
5V
Voltage-Supply Digital:
1.8V ~ 3.6V
Features:
-
Operating Temperature:
-40°C ~ 85°C

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ADS1254E information

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The application and technological advancement of ADS1254E in specific industries

ADS1254E is a highly integrated, precision analog-to-digital converter (ADC) manufactured by Texas Instruments, specifically designed for applications requiring high accuracy and low noise measurement of analog signals.

Application Scenario:

In the field of medical instrumentation, ADS1254E plays a crucial role in various devices such as electrocardiogram (ECG) machines, patient monitoring systems, and laboratory equipment for bio-signal acquisition and analysis.

Circuit Design:

To implement ADS1254E in a medical device for ECG monitoring, the following steps are typically followed:

1. Sensor Interface:

Connect the electrodes capturing the ECG signals to the instrumentation amplifier stage, which amplifies the weak bio-signals. Use the differential inputs of ADS1254E to maintain signal integrity and reject common-mode noise.

2. ADC Conversion:

Utilize the integrated ADC of ADS1254E to convert the analog ECG signals into digital format with high resolution and accuracy. Configure the ADC settings such as sampling rate and resolution according to the requirements of the ECG application.

3. Signal Processing:

Implement digital signal processing algorithms, either within the microcontroller or using a dedicated DSP, to filter, analyze, and interpret the digitized ECG data. This may include noise filtering, QRS detection, and heart rate calculation.

4. Data Transmission:

Transmit the processed ECG data to a display unit or a central monitoring station using communication interfaces like UART, SPI, or wireless protocols such as Bluetooth or Wi-Fi. Ensure compatibility with medical data transmission standards and protocols.

5. Power Management:

Implement efficient power management techniques to ensure low power consumption and prolong battery life, especially for portable or wearable ECG monitoring devices. Utilize low-dropout voltage regulators and power-saving modes of ADS1254E to optimize energy efficiency.

Considerations:

When designing the ECG monitoring system using ADS1254E, it's essential to consider the following factors:

- Electrode Placement: Ensure proper placement of electrodes on the patient's body to capture accurate ECG signals without interference.

- Noise Rejection: Implement effective noise reduction techniques to minimize interference from external sources and ensure reliable ECG signal acquisition.

- Signal Integrity: Maintain signal integrity throughout the signal chain to preserve the fidelity of the ECG waveform during acquisition and processing.

- Compliance: Adhere to regulatory standards and guidelines, such as IEC 60601 for medical electrical equipment, to ensure safety and performance compliance of the ECG monitoring device.

- Calibration and Validation: Calibrate the system regularly and validate its performance using standardized procedures and reference signals to ensure accurate ECG measurement and diagnosis.

ADS1254E FAQ

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3. Are the ADS1254E price and inventory displayed accurate?

The price and inventory of ADS1254E fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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6. What is the process for return or replacement of ADS1254E?

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 ADS1254E we delivered, we will accept the replacement or return of the ADS1254E 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 ADS1254E.

(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