Overview
The ADS1240EG4 is a high-precision, 24-bit analog-to-digital converter (ADC) manufactured by Texas Instruments. Designed for applications requiring high-resolution data acquisition, this ADC integrates a low-noise programmable gain amplifier (PGA) and a precision delta-sigma modulator. It is ideal for industrial, medical, and scientific instrumentation where accurate signal measurement is critical. The ADS1240EG4 stands out for its low power consumption, high linearity, and robust performance in challenging environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Resolution | 24 | bits | - |
| Input Channels | 2 | - | Differential |
| Data Rate | 15 | SPS | Maximum |
| Gain Range | 1 to 128 | - | Programmable |
| Supply Voltage | 2.7 to 5.25 | V | - |
| Power Consumption | 0.5 | mW | Typical |
| Operating Temperature | -40 to 85 | °C | - |
| Interface | SPI | - | - |
| Package | TSSOP-20 | - | - |
Key Features
- High Resolution: 24-bit ADC ensures precise signal measurement.
- Low Noise PGA: Programmable gain amplifier enhances signal integrity.
- Low Power Consumption: Ideal for battery-powered applications.
- Wide Supply Range: Operates from 2.7V to 5.25V, providing flexibility in design.
- Robust Performance: Operates reliably in harsh environments.
Applications
The ADS1240EG4 is widely used in applications requiring high-precision data acquisition, including:
- Industrial Automation: For process control and monitoring systems.
- Medical Instrumentation: In devices such as ECG monitors and blood analyzers.
- Scientific Equipment: For precise measurement in laboratory instruments.
- Consumer Electronics: In high-end audio equipment and sensors.
Q & A
1. What is the resolution of the ADS1240EG4?
The ADS1240EG4 has a resolution of 24 bits.
2. How many input channels does it support?
It supports 2 differential input channels.
3. What is the maximum data rate?
The maximum data rate is 15 SPS (samples per second).
4. What is the gain range of the PGA?
The PGA has a programmable gain range from 1 to 128.
5. What is the operating voltage range?
It operates from 2.7V to 5.25V.
6. Is it suitable for low-power applications?
Yes, it consumes only 0.5 mW typically, making it ideal for battery-powered devices.
7. What is the operating temperature range?
It operates from -40°C to 85°C.
8. What interface does it use?
It uses an SPI interface for communication.
9. What package does it come in?
It is available in a TSSOP-20 package.
10. What are its typical applications?
Typical applications include industrial automation, medical instrumentation, and scientific equipment.
