Overview
The AD7892AN-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 fabricated using Analog Devices’ Linear Compatible CMOS (LC2MOS) process, which combines precision bipolar circuits with low-power CMOS logic. The AD7892AN-3 is designed for applications requiring high throughput rates and low power consumption, making it ideal for portable and battery-powered devices.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Throughput Rate | 600 kSPS |
| Conversion Time | 1.47 µs |
| Track/Hold Acquisition Time | 200 ns |
| Analog Input Range | ±2.5 V |
| Supply Voltage | +5 V ± 5% |
| Power Consumption | 60 mW (typical) |
| Operating Temperature Range | –40°C to +85°C |
| Package Type | 24-lead plastic or hermetic DIP, 24-lead SOIC |
| Interface | Parallel and serial interfaces |
Key Features
- High-speed successive approximation ADC with a conversion time of 1.47 µs and a track/hold acquisition time of 200 ns.
- Operates from a single +5 V supply with low power consumption of 60 mW (typical).
- On-chip track/hold amplifier and internal +2.5 V reference.
- Flexible interface arrangement with both parallel and serial data output formats.
- Overvoltage protection on analog inputs up to ±17 V or ±7 V depending on the model.
- Fast bus access times and standard control inputs for easy interface to microprocessors and digital signal processors.
Applications
The AD7892AN-3 is suitable for a variety of applications that require high-speed, low-power analog-to-digital conversion. These include:
- Portable and battery-powered devices.
- Medical devices requiring high accuracy and low power consumption.
- Industrial control systems where fast data acquisition is necessary.
- Aerospace and defense applications where reliability and performance are critical.
- Automotive systems that need robust and efficient data conversion.
Q & A
- What is the resolution of the AD7892AN-3?
The AD7892AN-3 has a resolution of 12 bits. - What is the throughput rate of the AD7892AN-3?
The throughput rate of the AD7892AN-3 is 600 kSPS. - What is the conversion time of the AD7892AN-3?
The conversion time of the AD7892AN-3 is 1.47 µs. - What is the track/hold acquisition time of the AD7892AN-3?
The track/hold acquisition time of the AD7892AN-3 is 200 ns. - What is the analog input range of the AD7892AN-3?
The analog input range of the AD7892AN-3 is ±2.5 V. - What is the supply voltage requirement for the AD7892AN-3?
The AD7892AN-3 operates from a single +5 V supply ± 5%. - How much power does the AD7892AN-3 consume?
The AD7892AN-3 consumes 60 mW of power (typical). - What are the operating temperature ranges for the AD7892AN-3?
The operating temperature range for the AD7892AN-3 is –40°C to +85°C. - What types of packages are available for the AD7892AN-3?
The AD7892AN-3 is available in 24-lead plastic or hermetic DIP and 24-lead SOIC packages. - Does the AD7892AN-3 have overvoltage protection?
Yes, the AD7892AN-3 has overvoltage protection on the analog inputs.
