Overview
The AD8676ARZ from Analog Devices Inc. is a precision, dual operational amplifier (op amp) known for its wide bandwidth, rail-to-rail output swings, and exceptionally low noise. This device is fully specified to operate from ±5 V to ±15 V, making it versatile for various applications. It combines the precision and low power consumption of industry-standard op amps like the OP07 with the wide bandwidth and low noise characteristics of other high-performance op amps.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | ±5 | ±15 | V | |
| Input Bias Current | -12 | 3 | 12 | nA |
| Offset Voltage | 12 | μV | ||
| Offset Voltage Drift | 0.2 | μV/°C | ||
| Voltage Noise (0.1 Hz to 10 Hz) | 0.1 | μV p-p | ||
| Voltage Noise Density at 1 kHz | 2.8 | nV/√Hz | ||
| Current Noise Density at 10 Hz | 0.3 | pA/√Hz | ||
| Slew Rate | 2.5 | V/μs | ||
| Gain Bandwidth Product | 10 | MHz | ||
| Power Supply Rejection Ratio | 106 | 120 | dB | |
| Supply Current per Amplifier | 2.5 | 3.2 | 3.8 | mA |
| Operating Temperature Range | -40 | 125 | °C |
Key Features
- Ultralow offset voltage and drift: Typical offset voltage of 12 μV and offset drift of 0.2 μV/°C.
- Very low input bias current and input current noise.
- Rail-to-rail output swings.
- Wide bandwidth and high gain bandwidth product of 10 MHz.
- Low power consumption with a supply current of 2.5 mA to 3.8 mA per amplifier.
- High power supply rejection ratio (PSRR) of 106 dB to 120 dB.
- Available in 8-lead MSOP and 8-lead narrow SOIC packages, both lead-free.
Applications
- Precision instrumentation.
- PLL and other precision filter circuits.
- Position and pressure sensors.
- Medical instrumentation.
- Strain gage amplifiers.
Q & A
- What is the typical offset voltage of the AD8676? The typical offset voltage of the AD8676 is 12 μV.
- What is the operating temperature range of the AD8676? The AD8676 operates over an extended industrial temperature range of -40°C to +125°C.
- What are the available packages for the AD8676? The AD8676 is available in 8-lead MSOP and 8-lead narrow SOIC packages, both of which are lead-free.
- What is the gain bandwidth product of the AD8676? The gain bandwidth product of the AD8676 is 10 MHz.
- How much current does the AD8676 typically consume per amplifier? The AD8676 typically consumes 2.5 mA to 3.8 mA per amplifier.
- What is the slew rate of the AD8676? The slew rate of the AD8676 is 2.5 V/μs.
- What are the key noise specifications of the AD8676? The AD8676 has a voltage noise of 0.1 μV p-p (0.1 Hz to 10 Hz) and a voltage noise density of 2.8 nV/√Hz at 1 kHz.
- What is the power supply rejection ratio (PSRR) of the AD8676? The PSRR of the AD8676 is 106 dB to 120 dB.
- What are some typical applications of the AD8676? Typical applications include precision instrumentation, PLL and other precision filter circuits, position and pressure sensors, medical instrumentation, and strain gage amplifiers.
- Is the AD8676 suitable for high-precision applications? Yes, the AD8676 is highly suitable for high-precision applications due to its ultralow offset voltage, low drift, and very low noise characteristics.
