Overview
The LTC1854IG#TRPBF is a high-performance, 8-channel analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is part of the LTC1854 series, which includes 12-, 14-, and 16-bit versions, but the LTC1854IG#TRPBF specifically features a 12-bit resolution. It operates from a single 5V supply and is designed for low power consumption, making it suitable for a variety of applications requiring precise analog-to-digital conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Number of Channels | 8 channels |
| Sampling Rate | 100 kS/s |
| Input Type | Pseudo-Differential/Single-Ended |
| Architecture | SAR (Successive Approximation Register) |
| Analog Supply Voltage | 5 V |
| Digital Supply Voltage | 5 V |
| Interface Type | 3-Wire SPI |
| Operating Temperature | -40°C to 85°C |
| Package/Case | 28-Lead SSOP |
| Mounting Style | SMD/SMT |
| Power Dissipation | 40 mW at 100 kS/s, 27.5 mW in Nap mode, and 40 mW in Sleep mode |
Key Features
- Low Power Consumption: The LTC1854IG#TRPBF operates with low power dissipation, making it energy-efficient for various applications.
- High Accuracy: The device features high accuracy with ±1 LSB INL (Integral Non-Linearity) for the 12-bit version.
- Flexible Input Configuration: The 8-channel multiplexer can be programmed for single-ended inputs, pairs of differential inputs, or combinations of both.
- 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.
- Onboard Precision Reference: Minimizes the need for external components.
- Shutdown Modes: Features Nap and Sleep modes to reduce power consumption when not in use.
- Internal Clock and Timing Signals: Includes a convert start input and data ready signal (BUSY) for easy integration with FIFOs, DSPs, and microprocessors.
Applications
The LTC1854IG#TRPBF is suitable for a wide range of applications, including:
- Industrial Automation: For precise measurement and control in industrial environments.
- Medical Devices: For applications requiring high accuracy and low power consumption.
- Aerospace and Defense: Where reliability and precision are critical.
- Automotive Systems: For various automotive applications that require robust and accurate ADCs.
- Test and Measurement Equipment: For high-precision data acquisition systems.
Q & A
- What is the resolution of the LTC1854IG#TRPBF?
The resolution of the LTC1854IG#TRPBF is 12 bits.
- How many channels does the LTC1854IG#TRPBF have?
The LTC1854IG#TRPBF has 8 channels.
- What is the sampling rate of the LTC1854IG#TRPBF?
The sampling rate of the LTC1854IG#TRPBF is 100 kS/s.
- What type of input can the LTC1854IG#TRPBF handle?
The LTC1854IG#TRPBF can handle pseudo-differential and single-ended inputs.
- What is the architecture of the LTC1854IG#TRPBF?
The architecture of the LTC1854IG#TRPBF is SAR (Successive Approximation Register).
- What are the supply voltages for the LTC1854IG#TRPBF?
The LTC1854IG#TRPBF operates from a single 5V supply for both analog and digital sections.
- What is the operating temperature range of the LTC1854IG#TRPBF?
The operating temperature range of the LTC1854IG#TRPBF is -40°C to 85°C.
- What type of package does the LTC1854IG#TRPBF come in?
The LTC1854IG#TRPBF comes in a 28-Lead SSOP package.
- Does the LTC1854IG#TRPBF have fault protection?
Yes, all channels of the LTC1854IG#TRPBF are fault protected to ±30V.
- What are the power dissipation modes of the LTC1854IG#TRPBF?
The LTC1854IG#TRPBF has power dissipation of 40 mW at 100 kS/s, 27.5 mW in Nap mode, and 40 mW in Sleep mode.
