Overview
The AD8603AUJZ-REEL7 is a precision, micropower, low-noise CMOS operational amplifier produced by Analog Devices. This single-channel op-amp is part of the AD8603/AD8607/AD8609 family, known for their rail-to-rail input and output capabilities. It is designed for single-supply operation and is suitable for a wide range of applications requiring low power consumption and high precision.
Key Specifications
| Parameter | Symbol | Typical | Maximum | Conditions |
|---|---|---|---|---|
| Offset Voltage | Vos | 50 µV | - | - |
| Input Bias Current | IB | 0.2 pA | 1 pA | -40°C < TA < +85°C |
| Supply Voltage | Vs | 1.8 V to 5 V | - | - |
| Noise Voltage Density | en | 22 nV/√Hz | - | f = 10 kHz |
| Supply Current per Amplifier | ISY | 40 µA | 50 µA | VO = 0 V |
| Output Voltage High | VOH | 4.95 V | 4.97 V | IL = 1 mA, Vs = 5 V |
| Output Voltage Low | VOL | 16 mV | 30 mV | IL = 1 mA, Vs = 5 V |
| Common-Mode Rejection Ratio | CMRR | 85 dB | 100 dB | 0 V < VCM < 5 V |
| Large Signal Voltage Gain | AVO | 400 V/mV | 1000 V/mV | RL = 10 kΩ, 0.5 V < VO < 4.5 V |
| Slew Rate | SR | 0.1 V/µs | - | RL = 10 kΩ |
| Settling Time | tS | 9.2 µs | - | 0.1% settling, G = ±1, 1 V step |
Key Features
- Low Offset Voltage: Maximum of 50 µV, ensuring high precision in signal amplification.
- Low Input Bias Current: Maximum of 1 pA, reducing the impact on input signals.
- Rail-to-Rail Input and Output: Enables the amplifier to operate with input and output signals that swing from the negative to the positive supply rail.
- Low Noise: Voltage noise density of 22 nV/√Hz at 10 kHz, making it suitable for noise-sensitive applications.
- Micropower Operation: Supply current per amplifier is typically 40 µA, ideal for battery-powered devices.
- No Phase Reversal: Ensures stable operation without phase reversal, even with input signals that exceed the supply rails.
- Unity Gain Stable: Stable operation at unity gain, simplifying circuit design.
Applications
- Battery-Powered Instrumentation: Ideal for devices that require low power consumption and high precision.
- Multipole Filters: Suitable for use in active filter circuits due to its low noise and high precision.
- Sensors and Transducers: Used to amplify signals from sensors and transducers in various measurement systems.
- Audio and Medical Equipment: Applicable in audio circuits and medical devices where low noise and high fidelity are crucial.
Q & A
- What is the typical offset voltage of the AD8603AUJZ-REEL7?
The typical offset voltage is 50 µV. - What is the input bias current of the AD8603AUJZ-REEL7?
The input bias current is typically 0.2 pA and maximum 1 pA. - What is the supply voltage range for the AD8603AUJZ-REEL7?
The supply voltage range is from 1.8 V to 5 V. - What is the noise voltage density of the AD8603AUJZ-REEL7 at 10 kHz?
The noise voltage density is 22 nV/√Hz at 10 kHz. - Is the AD8603AUJZ-REEL7 suitable for battery-powered devices?
Yes, it is suitable due to its micropower operation with a supply current per amplifier of typically 40 µA. - Does the AD8603AUJZ-REEL7 have rail-to-rail input and output capabilities?
Yes, it has rail-to-rail input and output capabilities. - What is the common-mode rejection ratio (CMRR) of the AD8603AUJZ-REEL7?
The CMRR is typically 85 dB and up to 100 dB. - What is the slew rate of the AD8603AUJZ-REEL7?
The slew rate is 0.1 V/µs. - Is the AD8603AUJZ-REEL7 unity gain stable?
Yes, it is unity gain stable. - What are some common applications of the AD8603AUJZ-REEL7?
Common applications include battery-powered instrumentation, multipole filters, sensors, and audio and medical equipment.
