The ADA4851-2 from Analog Devices Inc. is a high-performance, dual operational amplifier designed to deliver exceptional speed and accuracy while maintaining low power consumption. This rail-to-rail output amplifier is ideal for battery-powered applications and portable devices due to its efficient power management and compact footprint.
Key Features
- Low Power Consumption: The ADA4851-2 is optimized for low power operations, drawing only 3.5 mA of quiescent current per channel which extends battery life in portable applications.
- Rail-to-Rail Output: This feature allows the amplifier to deliver output voltage swings that extend to both supply rails, maximizing the dynamic range in single or split supply operations.
- High Speed: With a -3dB bandwidth of 175 MHz and a slew rate of 280 V/µs, the ADA4851-2 is capable of handling high-speed signal processing tasks with ease.
- Low Distortion: The device provides excellent signal fidelity with a total harmonic distortion (THD) of -80 dBc at 1 MHz, making it suitable for high precision applications.
- Wide Supply Range: The operational amplifier can be powered from a single 2.7 V to 5.5 V supply, or from dual supplies of ±1.35 V to ±2.75 V, providing design flexibility.
Applications
The ADA4851-2 is versatile and can be used in a variety of applications, including:
- Portable and battery-powered equipment
- Active filters
- ADC/DAC buffers
- Video and communications equipment
- Test and measurement instruments
Technical Specifications
| Parameter |
Value |
| Number of Channels |
2 |
| Bandwidth |
175 MHz |
| Slew Rate |
280 V/µs |
| Supply Voltage |
2.7 V to 5.5 V (single), ±1.35 V to ±2.75 V (dual) |
| Quiescent Current |
3.5 mA per channel |
| Package |
SC-70, SOT-23, SOIC |
With its combination of low power, high speed, and rail-to-rail output, the ADA4851-2 is an excellent choice for designers looking to create efficient, high-performance circuits in a wide range of applications.