ADS1293CISQ/NOPB

Product Overview

Category

The ADS1293CISQ/NOPB belongs to the category of integrated circuits (ICs).

Use

This IC is primarily used in biomedical applications for measuring and processing bioelectric signals.

Characteristics

• High-resolution analog-to-digital conversion
• Low power consumption
• Integrated signal conditioning
• Multiple channels for simultaneous measurement
• Noise filtering capabilities

Package

The ADS1293CISQ/NOPB is available in a small outline package (SOIC) with 16 pins.

Essence

The essence of the ADS1293CISQ/NOPB lies in its ability to accurately capture and process bioelectric signals, enabling various medical monitoring and diagnostic applications.

Packaging/Quantity

The ADS1293CISQ/NOPB is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Resolution: 24 bits
• Input Voltage Range: ±2.5V
• Sampling Rate: Up to 32 kSPS (samples per second)
• Power Supply: 2.7V to 5.25V
• Operating Temperature Range: -40°C to +85°C
• Interface: SPI (Serial Peripheral Interface)

Detailed Pin Configuration

1. AVDD: Analog power supply
2. DVDD: Digital power supply
3. AGND: Analog ground
4. DGND: Digital ground
5. CLK: Clock input
6. CS: Chip select input
7. DIN: Data input
8. DOUT: Data output
9. DRDY: Data ready output
10. RESET: Reset input
11. START: Start conversion input
12. PACE: Pace output
13. LOFFP: Lead-off detection positive input
14. LOFFN: Lead-off detection negative input
15. GPIO1: General-purpose input/output 1
16. GPIO2: General-purpose input/output 2

Functional Features

• High-resolution analog-to-digital conversion for accurate signal measurement
• Integrated signal conditioning circuitry for noise reduction and amplification
• Lead-off detection for monitoring electrode contact quality
• Flexible digital interface for easy integration with microcontrollers or other devices
• Low power consumption for extended battery life in portable applications

Advantages and Disadvantages

Advantages

• High resolution ensures precise measurement of bioelectric signals.
• Integrated signal conditioning reduces external component count and simplifies design.
• Lead-off detection enhances patient safety by monitoring electrode contact quality.
• Low power consumption extends battery life in portable medical devices.

Disadvantages

• Limited to biomedical applications, limiting its use in other industries.
• Requires additional external components for complete system implementation.
• Relatively higher cost compared to simpler bioelectric signal processing solutions.

Working Principles

The ADS1293CISQ/NOPB works by receiving analog bioelectric signals from electrodes, which are then amplified, filtered, and digitized using high-resolution analog-to-digital converters. The integrated signal conditioning circuitry helps reduce noise and improve the quality of the captured signals. The lead-off detection feature monitors the contact quality of the electrodes, ensuring reliable measurements. The digitized data is then made available through a digital interface for further processing or transmission to external devices.

Detailed Application Field Plans

The ADS1293CISQ/NOPB finds extensive application in various biomedical fields, including:

1. Electrocardiography (ECG) monitoring systems
2. Electromyography (EMG) for muscle activity analysis
3. Electroencephalography (EEG) for brainwave analysis
4. Bioimpedance measurements for body composition analysis
5. Sleep monitoring devices for sleep disorder diagnosis

Detailed and Complete Alternative Models

1. ADS1292R: Similar to ADS1293CISQ/NOPB, but with two channels instead of three.
2. ADS1294R: Four-channel version of the ADS1293CISQ/NOPB.
3. ADS1298R: Eight-channel variant with additional features for advanced biomedical applications.

These alternative models offer varying channel counts and additional functionalities to cater to different application requirements.

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