Overview
The LTC1854CG#TRPBF is a high-performance, 8-channel analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the LTC1854 family, which includes 12-bit, 14-bit, and 16-bit versions. The LTC1854CG#TRPBF specifically is a 12-bit ADC, designed to operate from a single 5V supply and features a sampling rate of 100ksps. It is housed in a 28-lead SSOP package and is known for its low power consumption and robust fault protection.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12 bits |
| Number of Channels | 8 channels |
| Input Range | ±10V |
| Sampling Rate | 100ksps |
| Power Supply | Single 5V |
| Power Dissipation | 40mW at 100ksps, 27.5mW in Nap mode, 40mW in Sleep mode |
| Integral Non-Linearity (INL) | ±1LSB |
| Package Type | 28-Lead SSOP |
| Operating Temperature Range | 0°C to 70°C (commercial grade), -40°C to 85°C (industrial grade) |
| Fault Protection | ±30V on all channels |
Key Features
- Low Power Consumption: The LTC1854CG#TRPBF offers low power dissipation, making it suitable for power-sensitive applications.
- Robust Fault Protection: All channels are protected against fault conditions up to ±30V, ensuring that a fault on any channel does not affect the conversion result of the selected channel.
- Flexible Input Configuration: The 8-channel multiplexer can be programmed for single-ended inputs, pairs of differential inputs, or combinations of both.
- Onboard Precision Reference: Minimizes the need for external components by integrating a precision reference.
- Internal Clock and Timing: The internal clock is trimmed for a maximum conversion time of 5ms, and the sampling rate is guaranteed at 100ksps.
- Separate Convert Start and Data Ready Signals: Facilitates easy connections to FIFOs, DSPs, and microprocessors.
Applications
The LTC1854CG#TRPBF is versatile and can be used in a variety of applications, including:
- Industrial Automation: For monitoring and controlling industrial processes.
- Medical Devices: In medical equipment that requires precise and reliable analog-to-digital conversion.
- Aerospace and Defense: For applications requiring robust and reliable data acquisition.
- Automotive Systems: In automotive systems that need to monitor and control various parameters.
- Data Acquisition Systems: In general-purpose data acquisition systems where multiple channels and high accuracy are required.
Q & A
- What is the resolution of the LTC1854CG#TRPBF ADC?
The LTC1854CG#TRPBF has a resolution of 12 bits. - How many input channels does the LTC1854CG#TRPBF have?
The device has 8 input channels. - What is the input voltage range for the LTC1854CG#TRPBF?
The input voltage range is ±10V. - What is the sampling rate of the LTC1854CG#TRPBF?
The sampling rate is 100ksps. - What is the power supply requirement for the LTC1854CG#TRPBF?
The device operates from a single 5V supply. - How much power does the LTC1854CG#TRPBF consume?
The power dissipation is 40mW at 100ksps, with lower power modes available (27.5mW in Nap mode and 40mW in Sleep mode). - What is the integral non-linearity (INL) of the LTC1854CG#TRPBF?
The INL is ±1LSB. - What type of package does the LTC1854CG#TRPBF come in?
The device is housed in a 28-lead SSOP package. - What is the operating temperature range for the LTC1854CG#TRPBF?
The operating temperature range is 0°C to 70°C for commercial grade and -40°C to 85°C for industrial grade. - Does the LTC1854CG#TRPBF have fault protection?
Yes, all channels are protected against fault conditions up to ±30V.
