ADA4084-1ARJZ-R7

The ADA4084-1 (single), ADA4084-2 (dual), and ADA4084-4 (quad) are single-supply, 10 MHz bandwidth amplifiers featuring rail-to-rail input and output. The guaranteed operating voltage range is +3 V to +30 V (or ±1.5 V to ±15 V). These amplifiers are ideal for single-supply applications requiring both AC performance and precision DC performance. The combination of wide bandwidth, low noise, and precision makes the ADA4084-1/ADA4084-2/ADA4084-4 suitable for a wide range of applications such as filters and instrumentation. Other applications include portable telecommunications equipment, power supply control and protection, and use as amplifiers or buffers for sensors with wide output ranges. Sensors requiring rail-to-rail input amplifiers include Hall effect sensors, piezoelectric sensors, and resistive sensors. With rail-to-rail input and output swing, designers can build multistage filters in single-supply systems while maintaining a high SNR. The ADA4084-1/ADA4084-2/ADA4084-4 are rated for the -40°C to +125°C industrial temperature range.

Applications

• Battery-powered instrumentation
• High-side and low-side sensing
• Power control and protection
• Telecommunications
• DAC output amplifiers
• ADC input buffers

Key features

• Rail-to-rail input/output
• Low power: 0.625 mA (±15 V, typical per amplifier)
• Gain bandwidth product: 15.9 MHz (A_V = 100, typical)
• Unity-gain crossover frequency: 9.9 MHz (typical)
• -3 dB closed-loop bandwidth: 13.9 MHz (±15 V, typical)
• Low offset voltage: 100 μV max (SOIC)
• Unity-gain stable
• High slew rate: 4.6 V/μs (typical)
• Low noise: 3.9 nV/√Hz (7 kHz, typical)
• Long-term offset voltage drift (10,000 hours): 3 μV (typical)
• Temperature hysteresis: 4 μV (typical)