Overview
The AD7854LARZ-REEL is a 12-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This integrated circuit is designed to convert continuous analog signals into discrete digital signals, which can then be processed and analyzed by digital systems. The conversion process involves sampling, holding, quantization, and encoding, and it supports various conversion techniques such as direct conversion, indirect conversion, parallel comparison, and successive approximation.
The AD7854LARZ-REEL features a Sample and Hold (S/H) ADC configuration with a Successive Approximation Register (SAR) architecture, ensuring accurate and efficient signal conversion. It operates within a digital voltage range of 3 V to 5.5 V and is packaged in a 28-SOIC (0.295", 7.50mm Width) package, which is conducive to application and heat dissipation in circuit boards.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7854LARZ-REEL |
| Package | 28-SOIC (0.295", 7.50mm Width) |
| Number of Bits | 12 |
| Number of A/D Converters | 1 |
| Input Type | Pseudo-Differential |
| Number of Inputs | 1 |
| Data Interface | SPI |
| Sampling Rate | 100 kSPS |
| Reference Type | External, Internal |
| Ratio - S/H:ADC | 1:1 |
| Operating Temperature | -40°C ~ 85°C |
| Supply Voltage - Analog/Digital | 3 V ~ 5.5 V |
| Lead Free Status / RoHS Status | Lead Free / RoHS Compliant |
Key Features
- S/H-ADC Configuration: The AD7854LARZ-REEL features a Sample and Hold (S/H) ADC configuration, ensuring accurate signal conversion.
- SAR Architecture: It employs a Successive Approximation Register (SAR) architecture for efficient and precise analog-to-digital conversion.
- High Sampling Rate: The converter can sample at a rate of 100 kSPS, making it suitable for applications requiring fast data acquisition.
- SPI Data Interface: It supports SPI data interfaces, facilitating easy integration with digital systems.
- Pseudo-Differential Input: The ADC supports pseudo-differential input types, enhancing flexibility in signal input configurations.
- Wide Operating Temperature Range: The device operates within a temperature range of -40°C to 85°C, making it suitable for various environmental conditions.
Applications
- Communication Systems: The AD7854LARZ-REEL can be used in communication systems where accurate and fast analog-to-digital conversion is required.
- Industrial Control: It is suitable for industrial control applications, such as process monitoring and automation, due to its robust and reliable performance.
- Data Acquisition Systems: The converter is ideal for data acquisition systems that need to convert analog signals into digital data for further processing and analysis.
Q & A
- What is the resolution of the AD7854LARZ-REEL ADC?
The AD7854LARZ-REEL has a resolution of 12 bits.
- What is the sampling rate of the AD7854LARZ-REEL?
The sampling rate of the AD7854LARZ-REEL is 100 kSPS.
- What type of data interface does the AD7854LARZ-REEL support?
The AD7854LARZ-REEL supports SPI data interfaces.
- What is the operating temperature range of the AD7854LARZ-REEL?
The operating temperature range is -40°C to 85°C.
- Is the AD7854LARZ-REEL RoHS compliant?
- What is the package type of the AD7854LARZ-REEL?
The package type is 28-SOIC (0.295", 7.50mm Width).
- What is the input type supported by the AD7854LARZ-REEL?
The AD7854LARZ-REEL supports pseudo-differential input types.
- What is the reference type of the AD7854LARZ-REEL?
The reference type is external or internal.
- What is the supply voltage range for the AD7854LARZ-REEL?
The supply voltage range is 3 V to 5.5 V for both analog and digital supplies.
- What are some common applications of the AD7854LARZ-REEL?
