Overview
The AD706KN is a dual, low-power, bipolar operational amplifier (op amp) produced by Analog Devices Inc. This component is known for its high DC precision, low input bias current, and low noise characteristics, making it suitable for a variety of precision applications. The AD706KN is part of the AD706 series, which offers several performance grades and package options, including the 8-lead Plastic Mini-DIP (PDIP) and Surface Mount (SOIC) packages.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Offset Voltage | 30 | 100 | 150 | µV |
| Offset Drift vs. Temperature | 0.2 | 1.5 | - | µV/°C |
| Input Bias Current | 50 | 200 | 400 | pA |
| Voltage Noise (0.1 Hz to 10 Hz) | - | 0.5 | - | V p-p |
| Quiescent Current (per amplifier) | 0.6 | 0.75 | 1.2 | mA |
| Supply Voltage Range | ±2.0 | - | ±18 | V |
| Operating Temperature Range | 0 | - | 70 | °C |
Key Features
- High DC Precision: The AD706KN features high DC precision with a maximum offset voltage of 150 µV and a low offset drift of 1.5 µV/°C.
- Low Input Bias Current: It has a low input bias current of 200 pA, which is comparable to JFET amplifiers but with significantly lower drift over temperature.
- Low Noise: The amplifier exhibits low voltage noise of 0.5 V p-p in the 0.1 Hz to 10 Hz range, making it suitable for high-precision applications.
- Low Power Consumption: With a quiescent current of 0.75 mA per amplifier, it is well-suited for high-density boards.
- Internal Compensation: The AD706KN is internally compensated for unity gain, eliminating the need for external compensation components.
- Multiple Package Options: Available in 8-lead Plastic Mini-DIP (PDIP) and Surface Mount (SOIC) packages.
Applications
- Low Frequency Active Filters: Ideal for use in low-frequency active filters, particularly in 12-bit and 14-bit data acquisition systems.
- Precision Instrumentation: Suitable for precision instrumentation due to its high DC precision and low noise characteristics.
- Precision Integrators: Often used as high-quality integrators in various analog circuits.
- Medical Electronics and Professional Audio Equipment: Its precision and stability make it a good choice for medical electronics and professional audio equipment.
- Data Acquisition Systems: Used in data acquisition systems where high accuracy and low noise are critical.
Q & A
- What is the input offset voltage of the AD706KN?
The input offset voltage of the AD706KN is typically 100 µV, with a maximum of 150 µV.
- What is the input bias current of the AD706KN?
The input bias current is typically 200 pA, with a maximum of 400 pA.
- What are the package options available for the AD706KN?
The AD706KN is available in 8-lead Plastic Mini-DIP (PDIP) and Surface Mount (SOIC) packages.
- What is the operating temperature range of the AD706KN?
The operating temperature range is from 0°C to +70°C.
- What are some typical applications of the AD706KN?
Typical applications include low-frequency active filters, precision instrumentation, precision integrators, medical electronics, and professional audio equipment.
- Does the AD706KN require external compensation?
No, the AD706KN is internally compensated for unity gain.
- What is the quiescent current of the AD706KN?
The quiescent current is typically 0.75 mA per amplifier, with a maximum of 1.2 mA.
- What is the voltage noise of the AD706KN?
The voltage noise is 0.5 V p-p in the 0.1 Hz to 10 Hz range.
- Is the AD706KN sensitive to electrostatic discharge (ESD)?
Yes, the AD706KN is ESD sensitive and requires proper ESD precautions to avoid damage.
- What is the supply voltage range for the AD706KN?
The supply voltage range is from ±2.0 V to ±18 V.
