Overview
The AD7892AR-3 is a high-speed, low-power, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component operates from a single +5 V supply and is designed for applications requiring high throughput rates and low power consumption. The AD7892AR-3 features a successive approximation ADC, an on-chip track/hold amplifier, and an internal +2.5 V reference, making it versatile for various signal processing tasks. It is available in a 24-lead SOIC package and supports both parallel and serial data output formats, facilitating easy integration with microprocessors, microcontrollers, and digital signal processors.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12 |
| Sampling Rate | 600 kSPS |
| Analog Input Range | ±2.5 V |
| Supply Voltage | +5 V ± 5% |
| Power Consumption | 60 mW (typical) |
| Conversion Time | 1.47 µs |
| Track/Hold Acquisition Time | 200 ns |
| Operating Temperature | –40°C to +85°C |
| Package | 24-lead SOIC |
| Data Interface | Parallel, SPI |
Key Features
- Fast 12-bit ADC with a conversion time of 1.47 µs and a throughput rate of 600 kSPS.
- Low power consumption of 60 mW, making it ideal for portable and battery-powered applications.
- Single +5 V supply operation with an internal +2.5 V reference.
- On-chip track/hold amplifier and versatile interface structures for both parallel and serial connections.
- Overvoltage protection on analog inputs, allowing input voltages up to ±17 V or ±7 V without damage.
- Support for dynamic performance parameters including harmonic distortion and signal-to-noise ratio.
Applications
The AD7892AR-3 is suitable for a wide range of applications, including:
- Portable and battery-powered devices due to its low power consumption.
- High-speed data acquisition systems requiring fast conversion rates.
- Industrial control systems and automation.
- Medical devices and diagnostic equipment.
- Aerospace and defense applications where high reliability and performance are critical.
Q & A
- What is the conversion time of the AD7892AR-3?
The conversion time of the AD7892AR-3 is 1.47 µs. - What is the throughput rate of the AD7892AR-3?
The throughput rate of the AD7892AR-3 is 600 kSPS. - What is the analog input range of the AD7892AR-3?
The analog input range of the AD7892AR-3 is ±2.5 V. - What is the supply voltage for the AD7892AR-3?
The supply voltage for the AD7892AR-3 is +5 V ± 5%. - How much power does the AD7892AR-3 consume?
The AD7892AR-3 consumes 60 mW of power (typical). - What is the track/hold acquisition time of the AD7892AR-3?
The track/hold acquisition time of the AD7892AR-3 is 200 ns. - What are the operating temperature ranges for the AD7892AR-3?
The operating temperature ranges for the AD7892AR-3 are –40°C to +85°C. - In what package is the AD7892AR-3 available?
The AD7892AR-3 is available in a 24-lead SOIC package. - What data interfaces does the AD7892AR-3 support?
The AD7892AR-3 supports both parallel and SPI data interfaces. - Does the AD7892AR-3 have overvoltage protection?
Yes, the AD7892AR-3 has overvoltage protection on its analog inputs.
