Overview
The AD7858LAR is a high-performance, 8-channel, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for a wide range of applications requiring multiple-channel data acquisition with high accuracy and reliability. It operates on a single supply voltage ranging from 3 V to 5 V, making it versatile for various system designs.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 8 |
| Resolution | 12 bits |
| Sampling Rate | 200 kSPS |
| Supply Voltage | 3 V to 5 V |
| Power Consumption | Typically 15 mW at 3 V, 30 mW at 5 V |
| Interface | SPI-compatible serial interface |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | SSOP-20 |
Key Features
- High-speed conversion rate of 200 kSPS
- Low power consumption, suitable for battery-powered systems
- SPI-compatible serial interface for easy communication with microcontrollers
- On-chip reference and reference buffer, reducing external component count
- Operating temperature range from -40°C to +85°C, making it suitable for harsh environments
- Small SSOP-20 package, ideal for space-constrained designs
Applications
The AD7858LAR is suitable for a variety of applications, including:
- Industrial process control and automation
- Medical devices requiring multi-channel data acquisition
- Aerospace and defense systems where high reliability is crucial
- Automotive systems, especially those requiring high-speed data conversion
- Test and measurement equipment
Q & A
- What is the resolution of the AD7858LAR ADC?
The AD7858LAR has a resolution of 12 bits. - How many channels does the AD7858LAR support?
The AD7858LAR supports 8 channels. - What is the sampling rate of the AD7858LAR?
The sampling rate of the AD7858LAR is 200 kSPS. - What is the supply voltage range for the AD7858LAR?
The supply voltage range for the AD7858LAR is from 3 V to 5 V. - What type of interface does the AD7858LAR use?
The AD7858LAR uses an SPI-compatible serial interface. - What is the typical power consumption of the AD7858LAR?
The typical power consumption is 15 mW at 3 V and 30 mW at 5 V. - What is the operating temperature range of the AD7858LAR?
The operating temperature range is from -40°C to +85°C. - In what package is the AD7858LAR available?
The AD7858LAR is available in an SSOP-20 package. - Is the AD7858LAR suitable for harsh environments?
Yes, the AD7858LAR is suitable for harsh environments due to its wide operating temperature range. - What are some common applications of the AD7858LAR?
Common applications include industrial process control, medical devices, aerospace and defense systems, automotive systems, and test and measurement equipment.
