Overview
The AD706JNZ is a dual picoampere input current bipolar operational amplifier (op amp) manufactured by Analog Devices Inc. This device is renowned for its high DC precision and low drift characteristics, making it suitable for a variety of precision analog circuits. The AD706JNZ is available in 8-lead packages, including PDIP and SOIC, and operates over a temperature range of 0°C to +70°C.
Key Specifications
| Parameter | Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|
| Input Offset Voltage | Initial Offset | 30 | 100 | 150 | µV |
| Input Offset Voltage Drift | vs. Temperature | 0.2 | 1.5 | - | µV/°C |
| Input Bias Current | VCM = 0 V | 50 | 200 | 400 | pA |
| Common-Mode Rejection Ratio | VCM = ±13.5 V | 110 | 132 | - | dB |
| Input Voltage Noise | 0.1 Hz to 10 Hz | - | 0.5 | - | µV p-p |
| Open-Loop Gain | VO = ±12 V, RLOAD = 10 kΩ | 200 | 2000 | - | V/mV |
| Output Voltage Swing | RLOAD = 10 kΩ | ±13 | - | ±14 | V |
Key Features
- High DC precision with a maximum offset voltage of 100 µV and a drift of 1.5 µV/°C.
- Low input bias current of 200 pA maximum, which is comparable to JFET input op amps but with the low drift of bipolar amplifiers.
- Low voltage noise of 0.5 µV p-p from 0.1 Hz to 10 Hz.
- High common-mode rejection ratio (CMRR) of up to 132 dB.
- Operates in a temperature range of 0°C to +70°C.
Applications
The AD706JNZ is suitable for various precision analog applications where low drift and high DC precision are critical. These include:
- Precision instrumentation and measurement systems.
- Medical devices requiring high accuracy and stability.
- Aerospace and defense applications where reliability and precision are paramount.
- Industrial control systems that demand high accuracy and low noise.
Q & A
- What is the maximum input offset voltage of the AD706JNZ?
The maximum input offset voltage is 100 µV. - What is the input bias current of the AD706JNZ?
The input bias current is 200 pA maximum. - What is the common-mode rejection ratio (CMRR) of the AD706JNZ?
The CMRR is up to 132 dB. - What is the operating temperature range of the AD706JNZ?
The operating temperature range is 0°C to +70°C. - What are the package options for the AD706JNZ?
The AD706JNZ is available in 8-lead PDIP and SOIC packages. - What are some typical applications for the AD706JNZ?
Typical applications include precision instrumentation, medical devices, aerospace and defense, and industrial control systems. - What is the voltage noise of the AD706JNZ?
The voltage noise is 0.5 µV p-p from 0.1 Hz to 10 Hz. - How does the AD706JNZ compare to chopper amplifiers?
The AD706JNZ offers high DC precision and low drift without the inherent noise of chopper amplifiers. - What is the open-loop gain of the AD706JNZ?
The open-loop gain is 200 to 2000 V/mV for VO = ±12 V and RLOAD = 10 kΩ. - What is the output voltage swing of the AD706JNZ?
The output voltage swing is ±13 to ±14 V for RLOAD = 10 kΩ.
