The AD822 from Analog Devices Inc. is a dual precision, low power operational amplifier with FET (Field Effect Transistor) inputs. It is designed to offer a perfect blend of low power consumption and high precision, making it an ideal choice for battery-powered applications and precision instrumentation.
Key Features:
- Low Power Consumption: The AD822 has a supply current of just 800 μA per amplifier, which is significantly lower than many competing operational amplifiers. This makes it exceptionally suitable for portable and battery-operated equipment.
- Single-Supply Operation: It is capable of operating from a single supply of 3 V to 36 V or dual supplies of ±1.5 V to ±18 V, providing design flexibility for various applications.
- High Precision: With its FET input, the AD822 offers a low input bias current of 1 pA typically, which is ideal for high-impedance sensor amplification and precise data acquisition systems.
- Wide Input Voltage Range: The input voltage range extends from the negative rail to within 1.5 V of the positive rail, allowing for direct sensing near ground in single-supply applications.
- Output Swings Rail-to-Rail: The output stage provides high drive capacity and is capable of swinging to within 10 mV of each rail, enhancing dynamic range in single or dual supply operations.
Applications:
- Portable and battery-powered instruments
- Data acquisition systems
- Process control systems
- Medical equipment
- Audio amplification
The AD822 maintains its performance over a wide temperature range of -40°C to +85°C, ensuring reliability in harsh environments. Its combination of low power and high precision makes it an excellent choice for designers who require an operational amplifier that does not compromise on performance or efficiency.
With its versatility and robust feature set, the AD822 from Analog Devices Inc. is a go-to operational amplifier for engineers who demand the highest standards of precision and power management in their electronic designs.