Overview
The AD706JRZ-REEL7 is a dual, low power, bipolar operational amplifier (op amp) produced by Analog Devices Inc. This component is notable for its high DC precision and low input bias current, making it suitable for a variety of precision applications. The AD706 offers the low input bias current of a JFET amplifier but with the significantly lower input bias current drift of a bipolar amplifier, which is particularly useful in applications requiring high stability and low noise.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Offset Voltage | Initial Offset | 30 | 100 | - | µV |
| Input Offset Voltage | Offset vs. Temperature | 0.2 | 1.5 | - | µV/°C |
| Input Bias Current | VCM = 0 V | 50 | 200 | - | pA |
| Input Bias Current | VCM = ±13.5 V | 250 | - | - | 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 |
| Operating Temperature Range | - | - | - | -55 to +125 | °C |
Key Features
- High DC precision with low input offset voltage (100 µV max) and low offset drift (1.5 µV/°C max).
- Low input bias current (200 pA max) with low drift, combining the benefits of JFET and bipolar amplifiers.
- High common-mode rejection ratio (CMRR) of 110 dB to 132 dB.
- Low voltage noise (0.5 µV p-p from 0.1 Hz to 10 Hz).
- Available in 8-lead PDIP and SOIC packages.
- Low power consumption, making it suitable for battery-powered devices.
Applications
The AD706JRZ-REEL7 is suitable for a variety of precision applications, including:
- Precision instrumentation and measurement systems.
- Medical devices requiring low noise and high stability.
- Aerospace and defense applications where high reliability is crucial.
- Industrial control systems that demand accurate signal processing.
- Circuits where chopper amplifiers would normally be used but without the inherent noise of choppers.
Q & A
- What is the input offset voltage of the AD706JRZ-REEL7? The input offset voltage is 30 µV to 100 µV initially and can drift by 0.2 µV/°C to 1.5 µV/°C over temperature.
- What is the input bias current of the AD706JRZ-REEL7? The input bias current is 50 pA to 200 pA at VCM = 0 V and up to 250 pA at VCM = ±13.5 V.
- What is the common-mode rejection ratio (CMRR) of the AD706JRZ-REEL7? The CMRR is 110 dB to 132 dB.
- What is the voltage noise of the AD706JRZ-REEL7? The voltage noise is 0.5 µV p-p from 0.1 Hz to 10 Hz.
- In what packages is the AD706JRZ-REEL7 available? It is available in 8-lead PDIP and SOIC packages.
- What are some typical applications of the AD706JRZ-REEL7? Typical applications include precision instrumentation, medical devices, aerospace and defense, and industrial control systems.
- What is the operating temperature range of the AD706JRZ-REEL7? The operating temperature range is -55°C to +125°C.
- How does the AD706JRZ-REEL7 compare to chopper amplifiers? The AD706JRZ-REEL7 offers the precision of a chopper amplifier without the inherent noise associated with choppers.
- What is the open-loop gain of the AD706JRZ-REEL7? The open-loop gain is 200 V/mV to 2000 V/mV at VO = ±12 V and RLOAD = 10 kΩ.
- What is the output voltage swing of the AD706JRZ-REEL7? The output voltage swing is ±13 V to ±14 V with a 10 kΩ load.
