Overview
The ADS1241EG4, produced by Texas Instruments, is a precision, wide dynamic range, delta-sigma analog-to-digital (A/D) converter. This device operates with a 24-bit resolution and is designed for high-resolution measurement applications. It supports a supply voltage range of 2.7V to 5.25V, making it versatile for various industrial and instrumentation uses.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 24 bits | |
| Effective Resolution (PGA = 1) | 21 bits | |
| Effective Resolution (PGA = 128) | 19 bits | |
| Integral Nonlinearity (INL) | 0.0015% | |
| Programmable Gain Amplifier (PGA) Gains | 1 to 128 | |
| Supply Voltage Range | 2.7V to 5.25V | |
| Power Consumption | 600µW | |
| Operating Temperature Range | -40°C to 85°C | |
| Number of Input Channels | Up to 8 | |
| Number of Data I/O | Up to 8 | |
| Package Type | SSOP (DB) - 28 pins |
Key Features
- 24 bits no missing codes
- Simultaneous 50Hz and 60Hz rejection (-90dB minimum)
- Single-cycle settling
- Programmable data output rates
- External differential reference of 0.1V to 5V
- On-chip calibration
- SPI compatible interface
- Internal buffering for high input impedance
- Burnout current sources for sensor detection
- 8-bit digital-to-analog converter (DAC) for offset correction
Applications
- Industrial process control
- Weight scales
- Liquid/gas chromatography
- Blood analysis
- Smart transmitters
- Portable instrumentation
Q & A
- What is the resolution of the ADS1241EG4?
The ADS1241EG4 has a 24-bit resolution.
- What is the effective resolution at different PGA gains?
The effective resolution is 21 bits at PGA = 1 and 19 bits at PGA = 128.
- What is the integral nonlinearity (INL) of the ADS1241EG4?
The INL is 0.0015%.
- What is the range of the programmable gain amplifier (PGA)?
The PGA gains range from 1 to 128.
- What is the supply voltage range for the ADS1241EG4?
The supply voltage range is 2.7V to 5.25V.
- How much power does the ADS1241EG4 consume?
The power consumption is 600µW.
- What is the operating temperature range of the ADS1241EG4?
The operating temperature range is -40°C to 85°C.
- How many input channels and data I/O does the ADS1241EG4 support?
The device supports up to 8 input channels and up to 8 data I/O.
- What type of package is the ADS1241EG4 available in?
The ADS1241EG4 is available in an SSOP (DB) package with 28 pins.
- What are some common applications of the ADS1241EG4?
Common applications include industrial process control, weight scales, liquid/gas chromatography, blood analysis, smart transmitters, and portable instrumentation.
