Overview
The MC33171DR2G is a single-channel, low-power operational amplifier produced by onsemi. This device is part of the MC33171/72/74 series, known for its high performance and versatility in various applications. It operates within a wide supply voltage range of 3.0 V to 44 V or ±1.5 V to ±22 V, making it suitable for both single and split supply configurations. The amplifier features a Darlington input stage, which provides high input resistance, low input offset voltage, and high gain. The all NPN output stage ensures large output voltage swing, high capacitance drive capability, and excellent phase and gain margins.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 3.0 V to 44 V or ±1.5 V to ±22 V | V |
| Supply Current (Per Amplifier) | 180 μA | μA |
| 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 |
| Operating Ambient Temperature Range | −40°C to +85°C | °C |
| Package Type | SO-8 (Pb-Free) |
Key Features
- Low Supply Current: 180 μA per amplifier, making it suitable for low-power applications.
- Wide Supply Operating Range: Operates from 3.0 V to 44 V or ±1.5 V to ±22 V, allowing flexibility in various supply configurations.
- Wide Input Common Mode Range: Includes ground potential, enabling single supply operation as low as 3.0 V.
- High Slew Rate and Bandwidth: 2.1 V/μs slew rate and 1.8 MHz gain bandwidth product for high-speed applications.
- Low Input Offset Voltage: 2.0 mV, ensuring high accuracy in signal amplification.
- Large Output Voltage Swing: Up to −14.2 V to +14.2 V with ±15 V supplies, providing a wide output range.
- High Capacitance Drive Capability: Can drive capacitive loads from 0 pF to 500 pF without oscillation.
- Output Short Circuit Protection and ESD Diodes: Enhances device reliability and protection.
- AEC-Q100 Qualified: Suitable for automotive and other applications requiring unique site and control change requirements.
Applications
The MC33171DR2G is versatile and can be used in a variety of applications, including:
- Active Filters: Especially suitable for low-voltage single supply active filter configurations.
- Current Switching Applications: Can directly source or sink base current from a common emitter NPN transistor.
- Automotive Systems: AEC-Q100 qualified, making it suitable for automotive and other demanding environments.
- Industrial Control Systems: High performance and reliability make it ideal for industrial control and monitoring systems.
- Medical Devices: Low power consumption and high accuracy make it suitable for medical device applications.
Q & A
- What is the supply voltage range of the MC33171DR2G?
The MC33171DR2G operates within a supply voltage range of 3.0 V to 44 V or ±1.5 V to ±22 V.
- What is the typical slew rate of the MC33171DR2G?
The typical slew rate is 2.1 V/μs.
- What is the gain bandwidth product of the MC33171DR2G?
The gain bandwidth product is 1.8 MHz.
- What is the input offset voltage of the MC33171DR2G?
The input offset voltage is typically 2.0 mV.
- Can the MC33171DR2G drive capacitive loads?
Yes, it can drive capacitive loads from 0 pF to 500 pF without oscillation.
- Is the MC33171DR2G suitable for automotive applications?
Yes, it is AEC-Q100 qualified, making it suitable for automotive and other demanding environments.
- What is the operating ambient temperature range of the MC33171DR2G?
The operating ambient temperature range is −40°C to +85°C.
- What type of package does the MC33171DR2G come in?
The MC33171DR2G comes in an SO-8 (Pb-Free) package.
- Does the MC33171DR2G have output short circuit protection?
Yes, it has output short circuit protection and ESD diodes for enhanced reliability.
- Can the MC33171DR2G be used in single supply configurations?
Yes, it is particularly suited for single supply operation, with the common mode input voltage including ground potential.
