Overview
The LTC1855IG#TRPBF is a high-performance 14-bit Analog to Digital Converter (ADC) designed and manufactured by Analog Devices Inc. This component is tailored for data acquisition applications, offering a balance of resolution, speed, and features that make it versatile for various uses.
With its 8-channel multiplexer, the LTC1855IG#TRPBF supports both single-ended and differential input configurations, providing flexibility in different application scenarios. The ADC operates from a single 5V supply and features a Successive Approximation Register (SAR) architecture, ensuring high-speed and accurate conversions.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 14 bits |
| Sampling Rate | 100 ksamples per second (ksps) |
| Number of Channels | 8 channels |
| Input Type | Differential, Single Ended |
| Data Interface | SPI |
| Architecture | SAR (Successive Approximation Register) |
| Reference Type | External and Internal |
| Operating Temperature Range | -40°C to 85°C |
| Voltage Supply (Analog) | 5V |
| Voltage Supply (Digital) | 5V |
| Package/Case | 28-SSOP (0.209" width, 5.30mm width) |
| Power Dissipation | 40mW at 100ksps (27.5mW in Nap mode, 40mW in Sleep mode) |
| Fault Protection | ±30V on all channels |
Key Features
- High Resolution and Speed: 14-bit resolution with a sampling rate of 100ksps, ensuring accurate and fast conversion of analog signals into digital data.
- Versatile Input Configurations: Supports single-ended and differential input configurations, allowing for flexibility in various applications.
- Low Power Consumption: Operates with low power dissipation (40mW at 100ksps) and features power shutdown modes (Nap and Sleep) for reduced power consumption.
- Fault Protection: All channels are fault protected to ±30V, ensuring that a fault condition on any channel does not affect the conversion result of the selected channel.
- Compact Package: Surface mount 28-SSOP package, ideal for space-constrained designs.
- Industry-Standard Interface: Compatible with the SPI interface, making it easy to integrate into existing systems and various microcontroller platforms.
- Precision Reference: Onboard precision reference minimizes the need for external components.
Applications
The LTC1855IG#TRPBF is suitable for a wide range of data acquisition applications, including:
- Industrial automation and control systems.
- Medical devices and diagnostic equipment.
- Aerospace and defense systems.
- Automotive systems, particularly in sensor and control applications.
- Test and measurement instruments.
Q & A
- What is the resolution of the LTC1855IG#TRPBF ADC?
The LTC1855IG#TRPBF has a 14-bit resolution.
- What is the sampling rate of the LTC1855IG#TRPBF?
The sampling rate is 100 ksamples per second (ksps).
- How many input channels does the LTC1855IG#TRPBF have?
The LTC1855IG#TRPBF has 8 input channels.
- What types of input configurations are supported by the LTC1855IG#TRPBF?
The LTC1855IG#TRPBF supports both single-ended and differential input configurations.
- What is the data interface of the LTC1855IG#TRPBF?
The data interface is SPI (Serial Peripheral Interface).
- What is the architecture of the LTC1855IG#TRPBF ADC?
The architecture is SAR (Successive Approximation Register).
- What is the operating temperature range of the LTC1855IG#TRPBF?
The operating temperature range is -40°C to 85°C.
- What is the power dissipation of the LTC1855IG#TRPBF at 100ksps?
The power dissipation is 40mW at 100ksps, with lower power consumption in Nap and Sleep modes.
- Does the LTC1855IG#TRPBF have fault protection?
Yes, all channels are fault protected to ±30V.
- What is the package type of the LTC1855IG#TRPBF?
The package type is 28-SSOP (0.209" width, 5.30mm width).
