Overview
The LTC1861LCMS#PBF is a 12-bit, 2-channel, successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the LTC1861 series and is housed in a 10-MSOP package. It is designed for low-power, high-accuracy data acquisition applications. The ADC operates over a supply voltage range of 2.7V to 3.6V and features a maximum sampling rate of 150ksps.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12 bits | |
| Number of Channels | 2 | |
| Sampling Rate | 150 ksps | |
| Supply Voltage | 2.7 to 3.6 | V |
| Power Dissipation | 1.22 mW (typical at maximum sampling rate) | mW |
| Clock Frequency | Up to 8 MHz | MHz |
| Analog Input Sampling Time | 10 SCK cycles | |
| Setup Time for CONV Input | 60 ns | ns |
| Package Type | 10-MSOP |
Key Features
- Low power consumption: The LTC1861LCMS#PBF is designed to operate with low power dissipation, making it suitable for battery-powered devices.
- High accuracy: The ADC provides 12-bit resolution with high accuracy and low noise.
- Serial interface: The component uses a serial peripheral interface (SPI) for data transfer, which includes a shift clock (SCK), digital data input (SDI), and digital data output (SDO).
- Internal reference: The VREF is tied internally to the VCC pin, simplifying the design process.
- Small package: The 10-MSOP package is compact, making it ideal for space-constrained applications.
Applications
- Data acquisition systems: Suitable for various data acquisition applications where high accuracy and low power consumption are required.
- Medical devices: Can be used in medical devices such as portable diagnostic equipment.
- Industrial control systems: Applicable in industrial control systems where precise analog-to-digital conversion is necessary.
- Automotive systems: Used in automotive systems for sensor data acquisition.
- Battery-powered devices: Ideal for battery-powered devices due to its low power consumption.
Q & A
- What is the resolution of the LTC1861LCMS#PBF ADC?
The LTC1861LCMS#PBF has a resolution of 12 bits. - How many channels does the LTC1861LCMS#PBF support?
The LTC1861LCMS#PBF supports 2 channels. - What is the maximum sampling rate of the LTC1861LCMS#PBF?
The maximum sampling rate is 150 ksps. - What is the supply voltage range for the LTC1861LCMS#PBF?
The supply voltage range is from 2.7V to 3.6V. - What is the typical power dissipation of the LTC1861LCMS#PBF at maximum sampling rate?
The typical power dissipation is 1.22 mW. - What type of interface does the LTC1861LCMS#PBF use for data transfer?
The LTC1861LCMS#PBF uses a serial peripheral interface (SPI). - What is the package type of the LTC1861LCMS#PBF?
The package type is 10-MSOP. - Does the LTC1861LCMS#PBF have an internal reference voltage?
Yes, the VREF is tied internally to the VCC pin. - What is the setup time for the CONV input?
The setup time for the CONV input is 60 ns. - In what types of applications is the LTC1861LCMS#PBF commonly used?
The LTC1861LCMS#PBF is commonly used in data acquisition systems, medical devices, industrial control systems, automotive systems, and battery-powered devices.
