Overview
The LTC2424IG#PBF is a high-precision analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the LTC2424 series, which includes 4- or 8-channel 20-bit micropower delta-sigma ADCs. The LTC2424IG#PBF is specifically packaged in a 28-lead SSOP and operates over a temperature range of -40°C to 85°C. It is designed for applications requiring high accuracy and low power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 4 |
| Resolution | 20 bits |
| Input Voltage Range | -12.5% to 112.5% of VREF |
| Reference Voltage Range | 0.1V to VCC |
| Supply Voltage | 2.7V to 5.5V |
| Integral Nonlinearity (INL) | 8 ppm |
| RMS Noise | 1.2 ppm |
| Package Type | 28-Lead SSOP |
| Temperature Range | -40°C to 85°C |
| Digital Interface | 4-wire, compatible with SPI and MICROPOWER protocols |
Key Features
- Delta-sigma conversion technology with no latency delay, ensuring the first conversion after channel change is always valid.
- Integrated oscillator with the option for external oscillator drive for user-defined rejection frequencies between 1Hz and 800Hz.
- Better than 110dB rejection at 50Hz or 60Hz ±2% through a single pin configuration.
- Flexible 4-wire digital interface compatible with SPI and MICROPOWER protocols.
- Extended input conversion range to smoothly resolve offset and overrange problems from preceding sensors or signal conditioning circuits.
Applications
The LTC2424IG#PBF is suitable for various applications requiring high precision and low power consumption, such as:
- Industrial automation and control systems.
- Medical devices and diagnostic equipment.
- Test and measurement instruments.
- Automotive systems, especially those requiring high accuracy and reliability.
- Environmental monitoring and data acquisition systems.
Q & A
- What is the resolution of the LTC2424IG#PBF ADC?
The LTC2424IG#PBF has a resolution of 20 bits.
- What is the input voltage range for the LTC2424IG#PBF?
The input voltage range is -12.5% to 112.5% of VREF.
- What is the supply voltage range for the LTC2424IG#PBF?
The supply voltage range is 2.7V to 5.5V.
- Does the LTC2424IG#PBF have an integrated oscillator?
Yes, it has an integrated oscillator with the option for external oscillator drive.
- What is the temperature range for the LTC2424IG#PBF?
The temperature range is -40°C to 85°C.
- What digital interface does the LTC2424IG#PBF use?
The LTC2424IG#PBF uses a 4-wire digital interface compatible with SPI and MICROPOWER protocols.
- What is the package type of the LTC2424IG#PBF?
The package type is a 28-Lead SSOP.
- How does the LTC2424IG#PBF handle noise and linearity?
The LTC2424IG#PBF has an INL of 8 ppm and RMS noise of 1.2 ppm.
- What are some typical applications for the LTC2424IG#PBF?
Typical applications include industrial automation, medical devices, test and measurement instruments, automotive systems, and environmental monitoring.
- Can the LTC2424IG#PBF be configured for specific noise rejection frequencies?
Yes, it can be configured for better than 110dB rejection at 50Hz or 60Hz ±2%, or driven by an external oscillator for user-defined rejection frequencies.
