Overview
The MC33272ADG is a high-performance operational amplifier from onsemi, designed for a wide range of applications requiring low input offset voltage and high slew rates. This device is part of the MC33272/74 series, which includes dual and quad operational amplifier configurations. The MC33272ADG specifically is a dual operational amplifier in a SOIC-8 package, making it suitable for space-constrained designs. It features bipolar inputs and a patented Zip-R-Trim element for reducing input offset voltage, ensuring high accuracy and stability in various operational conditions.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage | VCC to VEE | - | - | +36 | V |
| Input Differential Voltage Range | VIDR | - | - | V | V |
| Input Offset Voltage | |VIO| | 0.1 | 1.0 | 2.5 | mV |
| Input Bias Current | IB | - | 300 | - | nA |
| Input Offset Current | |IOS| | - | 3.0 | - | nA |
| Input Resistance | RIN | - | 16 MΩ | - | Ω |
| Slew Rate | SR | 8.0 | 10 | - | V/μs |
| Gain Bandwidth Product | GBW | 17 | 24 | - | MHz |
| Operating Temperature Range | TA | -40 | - | +85 | °C |
| Maximum Junction Temperature | TJ | - | - | +150 | °C |
Key Features
- Low Input Offset Voltage: Trimmed to 100 μV (typical), ensuring high accuracy in signal processing.
- High Slew Rate: Up to 10 V/μs, suitable for high-speed applications.
- Low Input Bias Current: 300 nA, reducing the impact on input signals.
- High Input Resistance: 16 MΩ, minimizing the loading effect on the input source.
- No Deadband Crossover Distortion: All NPN output stage ensures smooth operation without crossover distortion.
- Large Output Voltage Swing: Provides a wide output voltage range, enhancing the device's versatility.
- Excellent Phase and Gain Margin: Ensures stable operation in various feedback configurations.
- High Common Mode Rejection Ratio (CMRR): Up to 100 dB, reducing common-mode noise.
- High Power Supply Rejection Ratio (PSRR): Up to 105 dB, minimizing the impact of power supply noise.
Applications
- Audio and Video Equipment: Suitable for pre-amplifiers, active filters, and other audio/video processing circuits.
- Medical Devices: Used in medical instrumentation for signal amplification and processing.
- Industrial Control Systems: Employed in control circuits for sensors, actuators, and other industrial automation components.
- Automotive Systems: The NCV prefix versions are AEC-Q100 qualified, making them suitable for automotive applications.
- General Purpose Amplification: Ideal for a wide range of general-purpose amplification needs in various electronic systems.
Q & A
- What is the typical input offset voltage of the MC33272ADG?
The typical input offset voltage is 1.0 mV.
- What is the slew rate of the MC33272ADG?
The slew rate is up to 10 V/μs.
- What is the gain bandwidth product of the MC33272ADG?
The gain bandwidth product is up to 24 MHz.
- What is the operating temperature range of the MC33272ADG?
The operating temperature range is -40°C to +85°C.
- What package types are available for the MC33272ADG?
The MC33272ADG is available in SOIC-8 and PDIP-8 packages.
- Is the MC33272ADG suitable for automotive applications?
The NCV33272ADG version is AEC-Q100 qualified and suitable for automotive applications.
- What is the maximum junction temperature for the MC33272ADG?
The maximum junction temperature is +150°C.
- Does the MC33272ADG have any special features to reduce crossover distortion?
Yes, it has an all NPN output stage that eliminates deadband crossover distortion.
- What is the common mode rejection ratio (CMRR) of the MC33272ADG?
The CMRR is up to 100 dB.
- What is the power supply rejection ratio (PSRR) of the MC33272ADG?
The PSRR is up to 105 dB.
