Overview
The AD7858LARS is a high-performance, 3- to 5-volt, single-supply, 12-bit, 200 kHz analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed to provide high accuracy and reliability in various data acquisition applications. It features a successive approximation register (SAR) architecture, which ensures fast conversion times and low power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Conversion Rate | Up to 200 kHz |
| Supply Voltage | 3-5 V |
| Power Consumption | |
| Interface | SPI-compatible serial interface |
| Operating Temperature | -40°C to +85°C |
| Package Type | SSOP-20 |
Key Features
- High-speed successive approximation register (SAR) architecture
- Low power consumption, typically 3.3 mW at 200 kHz
- SPI-compatible serial interface for easy communication
- On-chip reference and temperature sensor
- High accuracy with ±0.5 LSB INL and ±1 LSB DNL
- Single-supply operation from 3 V to 5 V
Applications
- Data acquisition systems
- Medical devices
- Industrial control systems
- Aerospace and defense applications
- Automotive systems
Q & A
- What is the resolution of the AD7858LARS ADC?
The AD7858LARS has a resolution of 12 bits. - What is the maximum conversion rate of the AD7858LARS?
The maximum conversion rate is up to 200 kHz. - What is the supply voltage range for the AD7858LARS?
The supply voltage range is from 3 V to 5 V. - What type of interface does the AD7858LARS use?
The AD7858LARS uses an SPI-compatible serial interface. - What is the typical power consumption of the AD7858LARS at 200 kHz?
The typical power consumption is 3.3 mW at 200 kHz. - What is the operating temperature range for the AD7858LARS?
The operating temperature range is from -40°C to +85°C. - What package type is the AD7858LARS available in?
The AD7858LARS is available in an SSOP-20 package. - Does the AD7858LARS have an on-chip reference and temperature sensor?
Yes, the AD7858LARS includes an on-chip reference and temperature sensor. - What are some common applications for the AD7858LARS?
Common applications include data acquisition systems, medical devices, industrial control systems, aerospace and defense applications, and automotive systems. - Where can I find detailed specifications for the AD7858LARS?
Detailed specifications can be found in the datasheet available on the Analog Devices website or through distributors like Digi-Key and Mouser.
