ADS1293CISQE/NOPB

Product Overview

Category

The ADS1293CISQE/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 ECG, EMG, and pace detection capabilities
• Flexible input multiplexing options
• On-chip lead-off detection
• Programmable gain amplifiers
• Built-in filters for noise reduction

Package

The ADS1293CISQE/NOPB is available in a small outline package (SOIC) with 16 pins.

Essence

The essence of this product lies in its ability to accurately acquire and process bioelectric signals, making it suitable for various medical monitoring and diagnostic devices.

Packaging/Quantity

The ADS1293CISQE/NOPB is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Resolution: 24 bits
• Sampling Rate: Up to 32 kSPS (samples per second)
• Supply Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Input Voltage Range: ±4.5mV to ±2.5V
• Power Consumption: 1.8mW (typical)

Detailed Pin Configuration

1. AVDD: Analog power supply
2. DVDD: Digital power supply
3. CLK: Clock input
4. DRDY: Data ready output
5. RESET: Reset input
6. START: Start conversion input
7. PACE: Pace detection output
8. LOFFP: Positive lead-off detection
9. LOFFN: Negative lead-off detection
10. ECGP: ECG positive input
11. ECGN: ECG negative input
12. EMG: EMG input
13. TEST: Test mode input
14. GPIO1: General-purpose I/O 1
15. GPIO2: General-purpose I/O 2
16. GND: Ground

Functional Features

• High-resolution analog-to-digital conversion for accurate signal acquisition
• Integrated ECG, EMG, and pace detection capabilities for versatile monitoring applications
• Programmable gain amplifiers for signal conditioning
• On-chip lead-off detection to ensure proper electrode connection
• Flexible input multiplexing options for various signal sources
• Built-in filters for noise reduction and signal enhancement

Advantages and Disadvantages

Advantages

• High-resolution conversion enables precise measurement of bioelectric signals.
• Integrated features reduce the need for external components, simplifying circuit design.
• Low power consumption prolongs battery life in portable medical devices.
• Lead-off detection ensures reliable signal acquisition.

Disadvantages

• Limited input voltage range may restrict compatibility with certain signal sources.
• Higher cost compared to basic analog front-end solutions.
• Requires careful PCB layout and grounding for optimal performance.

Working Principles

The ADS1293CISQE/NOPB operates by converting analog bioelectric signals into digital data through its high-resolution ADC. The integrated amplifiers and filters condition the signals, while the lead-off detection feature ensures proper electrode connection. The converted digital data can then be processed and analyzed by a microcontroller or other processing unit.

Detailed Application Field Plans

The ADS1293CISQE/NOPB finds application in various biomedical fields, including:

1. Electrocardiography (ECG) monitoring devices
2. Electromyography (EMG) systems for muscle activity analysis
3. Portable health monitoring devices
4. Wearable fitness trackers with heart rate monitoring
5. Sleep apnea detection and monitoring equipment

Detailed and Complete Alternative Models

1. ADS1292R: Similar to the ADS1293CISQE/NOPB, but without the pace detection feature.
2. ADS1298: Offers additional channels for multi-channel bioelectric signal acquisition.
3. ADS1194: Lower-cost alternative with reduced resolution and features.

Note: The above list is not exhaustive and serves as a starting point for exploring alternative models.

This concludes the encyclopedia entry for the ADS1293CISQE/NOPB integrated circuit.