Overview
The AD7892AR-1 is a high-speed, low-power 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed to operate from a single +5 V supply, making it ideal for low power and portable applications. The AD7892AR-1 features a successive approximation register (SAR) architecture and includes on-chip track/hold amplifiers, reference circuits, and versatile interface logic. It is available in a 24-lead SOIC package and supports both SPI and parallel data interfaces, facilitating easy connection to microprocessors, microcontrollers, and digital signal processors.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7892AR-1 |
| Resolution | 12-bit |
| Sampling Rate | 500 kSPS |
| Number of Inputs | 2 (Single Ended) |
| Supply Voltage (Analog/Digital) | +5 V |
| Package/Case | 24-SOIC (0.295", 7.50mm Width) |
| Operating Temperature | -40°C to +85°C |
| Reference Type | External, Internal |
| Data Interface | SPI, Parallel |
| Architecture | SAR (Successive Approximation Register) |
Key Features
- High-speed conversion with a throughput rate of 500 kSPS
- Successive approximation register (SAR) architecture
- On-chip track/hold amplifier and reference circuits
- Flexible interface options: SPI and parallel data interfaces
- Low power consumption: 60 mW typical at 5 V supply
- Overvoltage protection on analog inputs
- Operating temperature range: -40°C to +85°C
- Single +5 V supply operation
Applications
- Data acquisition systems
- Portable and battery-powered devices
- Real-time applications requiring high-speed conversion
- Medical devices and diagnostic equipment
- Industrial control and automation systems
- Aerospace and defense applications
Q & A
- What is the resolution of the AD7892AR-1 ADC?
The AD7892AR-1 has a 12-bit resolution.
- What is the sampling rate of the AD7892AR-1?
The sampling rate of the AD7892AR-1 is 500 kSPS.
- How many analog inputs does the AD7892AR-1 have?
The AD7892AR-1 has 2 single-ended analog inputs.
- What is the supply voltage for the AD7892AR-1?
The AD7892AR-1 operates from a single +5 V supply.
- What type of data interface does the AD7892AR-1 support?
The AD7892AR-1 supports both SPI and parallel data interfaces.
- What is the operating temperature range of the AD7892AR-1?
The operating temperature range is -40°C to +85°C.
- Does the AD7892AR-1 have overvoltage protection?
Yes, the AD7892AR-1 has overvoltage protection on its analog inputs.
- What is the architecture of the AD7892AR-1 ADC?
The AD7892AR-1 uses a successive approximation register (SAR) architecture.
- How much power does the AD7892AR-1 typically consume?
The AD7892AR-1 typically consumes 60 mW at a 5 V supply.
- In what package is the AD7892AR-1 available?
The AD7892AR-1 is available in a 24-lead SOIC package.
