Overview
The AD7892BN-1 is a high-speed, low-power, 12-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This component operates from a single +5 V supply and is designed for applications requiring high conversion rates and low power consumption. The AD7892BN-1 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, 0.3" wide, plastic or hermetic DIP, or in a 24-lead SOIC package.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12-bit |
| Conversion Time | 1.47 µs |
| Throughput Rate | 500 kSPS |
| Analog Input Range | ±5 V or ±10 V |
| Supply Voltage | +5 V ± 5% |
| Power Consumption | 60 mW (typical) |
| Operating Temperature | –40°C to +85°C |
| Package Type | 24-lead DIP or SOIC |
| Data Output Format | Parallel or Serial |
| Overvoltage Protection | Up to ±17 V or ±7 V on analog inputs |
Key Features
- Fast 12-bit ADC with a conversion time of 1.47 µs and a throughput rate of 500 kSPS.
- Single supply operation from a +5 V supply, making it ideal for low power and portable applications.
- On-chip track/hold amplifier and internal +2.5 V reference.
- High speed, flexible interface arrangement with both parallel and serial interfaces for easy connection to microprocessors, microcontrollers, and digital signal processors.
- Overvoltage protection on analog inputs, allowing input voltages up to ±17 V or ±7 V without damaging the ports.
- Dynamic performance parameters include harmonic distortion and signal-to-noise ratio specifications.
Applications
The AD7892BN-1 is suitable for a variety of applications that require high-speed, low-power analog-to-digital conversion. These include:
- Portable and battery-powered devices due to its low power consumption.
- Data acquisition systems where high conversion rates are necessary.
- Industrial control systems that require precise and fast analog-to-digital conversion.
- Medical devices and diagnostic equipment where accuracy and speed are critical.
- Aerospace and automotive applications where robustness and reliability are essential.
Q & A
- What is the conversion time of the AD7892BN-1?
The conversion time of the AD7892BN-1 is 1.47 µs.
- What is the throughput rate of the AD7892BN-1?
The throughput rate of the AD7892BN-1 is 500 kSPS.
- What are the available analog input ranges for the AD7892BN-1?
The AD7892BN-1 accepts analog input ranges of ±5 V or ±10 V.
- What is the supply voltage requirement for the AD7892BN-1?
The AD7892BN-1 operates from a single +5 V supply.
- What is the typical power consumption of the AD7892BN-1?
The typical power consumption of the AD7892BN-1 is 60 mW.
- What are the available data output formats for the AD7892BN-1?
The AD7892BN-1 offers both parallel and serial data output formats.
- Does the AD7892BN-1 have overvoltage protection on its analog inputs?
Yes, the AD7892BN-1 has overvoltage protection on its analog inputs, allowing input voltages up to ±17 V or ±7 V without damaging the ports.
- What are the operating temperature ranges for the AD7892BN-1?
The operating temperature range for the AD7892BN-1 is –40°C to +85°C.
- In what packages is the AD7892BN-1 available?
The AD7892BN-1 is available in 24-lead DIP or SOIC packages.
- What types of interfaces does the AD7892BN-1 support for connection to microprocessors and digital signal processors?
The AD7892BN-1 supports both parallel and serial interfaces for easy connection to microprocessors, microcontrollers, and digital signal processors.
