Overview
The LTC2408IG#PBF is a high-performance, 4-/8-channel 24-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This micropower ADC utilizes delta-sigma technology and is designed for low-power, high-precision applications. It features an integrated oscillator and a flexible 4-wire digital interface compatible with SPI and MICROWIRE protocols. The device is known for its single cycle digital filter settling time, ensuring no latency delay in multiplexed applications.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 4 or 8 |
| Resolution | 24 bits |
| Supply Voltage Range | 2.7V to 5.5V |
| Input Type | Single Ended |
| 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 |
| Package Type | 28-Lead SSOP |
| Operating Temperature Range | -40°C to 85°C |
| Data Interface | SPI, MICROWIRE |
Key Features
- No latency delay due to single cycle digital filter settling time, making the first conversion after channel change always valid.
- Integrated oscillator with the option to configure for better than 110dB rejection at 50Hz or 60Hz ±2%, or driven by an external oscillator for user-defined rejection frequencies.
- Extended input conversion range to resolve offset and overrange problems of preceding sensors or signal conditioning circuits.
- Flexible 4-wire digital interface compatible with SPI and MICROWIRE protocols.
- Low power consumption, suitable for micropower applications.
Applications
The LTC2408IG#PBF is suitable for a variety of high-precision, low-power applications, including:
- Industrial automation and control systems.
- Medical devices requiring high accuracy and low noise.
- Test and measurement equipment.
- Aerospace and defense systems.
- Automotive systems needing precise analog-to-digital conversion.
Q & A
- What is the resolution of the LTC2408IG#PBF ADC?
The LTC2408IG#PBF has a resolution of 24 bits.
- What is the supply voltage range for the LTC2408IG#PBF?
The supply voltage range is from 2.7V to 5.5V.
- What type of input does the LTC2408IG#PBF support?
The LTC2408IG#PBF supports single-ended inputs.
- What is the integral nonlinearity (INL) of the LTC2408IG#PBF?
The INL is 4 ppm.
- Can the LTC2408IG#PBF be configured for different 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.
- What is the operating temperature range of the LTC2408IG#PBF?
The operating temperature range is from -40°C to 85°C.
- What type of package does the LTC2408IG#PBF come in?
The LTC2408IG#PBF comes in a 28-Lead SSOP package.
- Is the LTC2408IG#PBF compatible with any specific digital interfaces?
Yes, it is compatible with SPI and MICROWIRE protocols.
- What are some common applications of the LTC2408IG#PBF?
Common applications include industrial automation, medical devices, test and measurement equipment, aerospace and defense systems, and automotive systems.
- Does the LTC2408IG#PBF have any latency in its conversions?
No, the LTC2408IG#PBF has no latency delay due to its single cycle digital filter settling time.
