Overview
The MC33172DG is a dual bipolar operational amplifier produced by ON Semiconductor. This device is part of the MC33171/72/74 series, known for its low power consumption and high speed. The MC33172DG operates at 180 µA per amplifier, offering a gain bandwidth product of 1.8 MHz and a slew rate of 2.1 V/µs. It is designed using quality bipolar fabrication and innovative design concepts, making it suitable for both single and dual supply operations. The common mode input voltage includes ground potential, which is particularly advantageous for single supply applications. The amplifier features a Darlington input stage and an all NPN output stage, providing high input resistance, low input offset voltage, and high gain with no deadband crossover distortion.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Current | 180 µA (Per Amplifier) | µA |
| Supply Operating Range | 3.0 V to 44 V or ±1.5 V to ±22 V | V |
| Input Common Mode Range | Including Ground (VEE) | V |
| Gain Bandwidth Product | 1.8 MHz | MHz |
| Slew Rate | 2.1 V/µs | V/µs |
| Input Offset Voltage | 2.0 mV | mV |
| Output Voltage Swing | -14.2 V to +14.2 V (with ±15 V Supplies) | V |
| Capacitance Drive Capability | 0 pF to 500 pF | pF |
| Total Harmonic Distortion | 0.03% | % |
| Phase Margin | 60° | ° |
| Gain Margin | 15 dB | dB |
| Output Short Circuit Protection | Indefinite | s |
| Operating Temperature Range | -40°C to 105°C | °C |
Key Features
- Low supply current of 180 µA per amplifier.
- Wide supply operating range from 3.0 V to 44 V or ±1.5 V to ±22 V.
- Wide input common mode range, including ground potential (VEE).
- High gain bandwidth product of 1.8 MHz and slew rate of 2.1 V/µs.
- Low input offset voltage of 2.0 mV.
- Large output voltage swing and high capacitance drive capability.
- Low total harmonic distortion of 0.03%.
- Excellent phase margin of 60° and gain margin of 15 dB.
- Output short circuit protection and ESD diodes for input protection.
- All NPN output stage with no deadband crossover distortion.
Applications
The MC33172DG is versatile and can be used in a variety of applications, including:
- Single supply and dual supply operations.
- Industrial and automotive systems due to its wide operating temperature range.
- Active filters, especially in low voltage single supply applications.
- Current switching applications where the output can directly source or sink base current from a common emitter NPN transistor.
- High capacitance drive applications without oscillation.
Q & A
- What is the supply current of the MC33172DG per amplifier?
The supply current is 180 µA per amplifier.
- What is the operating supply voltage range for the MC33172DG?
The operating supply voltage range is from 3.0 V to 44 V or ±1.5 V to ±22 V.
- What is the gain bandwidth product of the MC33172DG?
The gain bandwidth product is 1.8 MHz.
- What is the slew rate of the MC33172DG?
The slew rate is 2.1 V/µs.
- What is the input offset voltage of the MC33172DG?
The input offset voltage is 2.0 mV.
- What is the output voltage swing of the MC33172DG with ±15 V supplies?
The output voltage swing is -14.2 V to +14.2 V.
- Does the MC33172DG have output short circuit protection?
Yes, it has indefinite output short circuit protection.
- What is the operating temperature range for the MC33172DG?
The operating temperature range is -40°C to 105°C.
- Can the MC33172DG be used in single supply applications?
Yes, it is particularly suited for single supply operation since the common mode input voltage includes ground potential.
- What are some typical applications of the MC33172DG?
Typical applications include active filters, current switching, and high capacitance drive applications.
