Overview
The LTC2408CG#PBF is a high-precision, 4-/8-channel, 24-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This micropower ADC utilizes delta-sigma technology and is designed for applications requiring high accuracy and low noise. It features an integrated oscillator, a flexible 4-wire digital interface compatible with SPI and MICROWIRE protocols, and supports a wide input voltage range. The device is particularly suited for multiplexed applications due to its single cycle digital filter settling time, ensuring no latency delay after channel changes.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 4 or 8 |
| Resolution | 24 bits |
| Voltage Range | 2.7V to 5.5V |
| Integral Nonlinearity (INL) | 4 ppm |
| RMS Noise | 0.3 ppm |
| Reference Voltage Range | 0.1V to VCC |
| Input Conversion Range | –12.5% VREF to 112.5% VREF |
| Digital Interface | SPI and MICROWIRE compatible |
| Package | 28-Lead SSOP |
Key Features
- High precision with 4 ppm INL and 0.3 ppm RMS noise.
- Integrated oscillator with no external frequency setting components required.
- Single cycle digital filter settling time, eliminating latency delay after channel changes.
- Flexible 4-wire digital interface compatible with SPI and MICROWIRE protocols.
- Wide input conversion range of –12.5% VREF to 112.5% VREF.
- Support for external reference voltage from 0.1V to VCC.
- Low power consumption, making it suitable for micropower applications.
Applications
The LTC2408CG#PBF is ideal for various applications that require high precision and low noise, such as:
- Industrial automation and control systems.
- Medical devices and diagnostic equipment.
- Aerospace and defense systems.
- High-precision measurement and data acquisition systems.
- Automotive systems requiring accurate sensor readings.
Q & A
- What is the resolution of the LTC2408CG#PBF ADC?
The LTC2408CG#PBF has a resolution of 24 bits. - How many channels does the LTC2408CG#PBF support?
The LTC2408CG#PBF supports 4 or 8 channels. - What is the voltage range for the LTC2408CG#PBF?
The voltage range for the LTC2408CG#PBF is 2.7V to 5.5V. - What is the integral nonlinearity (INL) of the LTC2408CG#PBF?
The INL of the LTC2408CG#PBF is 4 ppm. - Does the LTC2408CG#PBF have an integrated oscillator?
Yes, the LTC2408CG#PBF has an integrated oscillator that requires no external frequency setting components. - What digital interfaces are supported by the LTC2408CG#PBF?
The LTC2408CG#PBF supports SPI and MICROWIRE digital interfaces. - What is the input conversion range of the LTC2408CG#PBF?
The input conversion range of the LTC2408CG#PBF is –12.5% VREF to 112.5% VREF. - Can the LTC2408CG#PBF be used in multiplexed applications?
Yes, the LTC2408CG#PBF is suitable for multiplexed applications due to its single cycle digital filter settling time, which eliminates latency delay after channel changes. - What is the package type of the LTC2408CG#PBF?
The LTC2408CG#PBF comes in a 28-Lead SSOP package. - What are some typical applications of the LTC2408CG#PBF?
The LTC2408CG#PBF is used in industrial automation, medical devices, aerospace and defense systems, high-precision measurement systems, and automotive systems.
