Overview
The AD7864AS-3 is a high-performance, 12-bit, successive approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for multi-channel applications, offering simultaneous sampling of four channels. It is particularly suited for high-speed data acquisition systems that require precise and simultaneous conversion of analog signals to digital data.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7864AS-3 |
| Category | Integrated Circuits (ICs) > Data Acquisition - Analog to Digital Converters (ADC) |
| Number of Bits | 12 |
| Number of A/D Converters | 1 |
| Number of Inputs | 4 |
| Input Type | Single Ended |
| Sampling Rate (Per Second) | 520k |
| Reference Type | External, Internal |
| Ratio - S/H:ADC | 4:1 |
| Package / Case | 44-QFP (10x10) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Voltage - Supply, Digital | 5V |
| Voltage - Supply, Analog | 5V |
| Data Interface | Parallel |
| Configuration | S/H-MUX-ADC |
| Lead Free Status / RoHS Status | ROHS3 Compliant |
Key Features
- Simultaneous sampling of four channels, making it ideal for applications requiring synchronized data acquisition.
- High-speed conversion with a sampling rate of up to 520 kSPS.
- Successive approximation register (SAR) architecture for high accuracy and low noise.
- Parallel data interface for fast data transfer.
- External and internal reference options for flexibility in system design.
- Operating temperature range from -40°C to 85°C, suitable for a wide range of environments.
Applications
The AD7864AS-3 is suitable for various high-speed data acquisition applications, including:
- Medical devices: For simultaneous sampling in medical imaging and diagnostic equipment.
- Industrial control systems: For precise and fast data acquisition in process control and automation.
- Aerospace and defense: For high-reliability and high-speed data conversion in military and aerospace applications.
- Test and measurement equipment: For simultaneous sampling in oscilloscopes, data loggers, and other test equipment.
Q & A
- What is the resolution of the AD7864AS-3 ADC?
The AD7864AS-3 has a resolution of 12 bits. - How many channels does the AD7864AS-3 support?
The AD7864AS-3 supports four channels with simultaneous sampling. - What is the sampling rate of the AD7864AS-3?
The sampling rate of the AD7864AS-3 is up to 520 kSPS. - What type of architecture does the AD7864AS-3 use?
The AD7864AS-3 uses a successive approximation register (SAR) architecture. - What is the operating temperature range of the AD7864AS-3?
The operating temperature range is from -40°C to 85°C. - Is the AD7864AS-3 RoHS compliant?
Yes, the AD7864AS-3 is ROHS3 compliant. - What is the package type of the AD7864AS-3?
The package type is 44-QFP (10x10). - What is the data interface type of the AD7864AS-3?
The data interface is parallel. - Can the AD7864AS-3 use both external and internal references?
Yes, the AD7864AS-3 can use both external and internal references. - What is the mounting type of the AD7864AS-3?
The mounting type is surface mount.
