Overview
The MC33178DG is a low power, low noise operational amplifier produced by onsemi. It is part of the MC33178/9 series, which employs Bipolar technology to offer high-quality monolithic amplifiers. These amplifiers are designed for quality audio and data signal processing applications, utilizing high frequency PNP input transistors to minimize input offset voltage, noise, and distortion. The device is known for its high output current drive capability while consuming a low drain current of 420 μA per amplifier.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VCC to VEE) | VS | +36 | V | ||
| Input Offset Voltage | VIO | 0.15 | 3.0 | mV | |
| Average Temperature Coefficient of Input Offset Voltage | ΔVIO/ΔT | 2.0 | μV/°C | ||
| Input Bias Current | IIB | 100 | 500 | nA | |
| Common Mode Rejection Ratio | CMR | 80 | 110 | dB | |
| Power Supply Rejection Ratio | PSR | 80 | 110 | dB | |
| Output Short Circuit Current | ISC | +50 | +80 | mA | |
| Power Supply Current | ID | 1.4 | 2.6 | mA | |
| Slew Rate | SR | 1.2 | 2.0 | V/μs | |
| Gain Bandwidth Product | GBW | 2.5 | 5.0 | MHz | |
| Operating Temperature Range | TA | −40 | +85 | °C |
Key Features
- Low Input Offset Voltage: 0.15 mV (mean)
- Low Total Harmonic Distortion: 0.0024% (@ 1.0 kHz with 600 Ω load)
- High Output Drive Capability: 600 Ω load
- Large Output Voltage Swing: Excellent phase and gain margins
- No Deadband Crossover Distortion: NPN output stage ensures symmetrical source and sink AC frequency performance
- High Gain Bandwidth Product: 5.0 MHz
- High Slew Rate: 2.0 V/μs
- Dual Supply Operation: ±2.0 V to ±18 V
- ESD Clamps on Inputs: Increases ruggedness without affecting device performance
- Pb-Free Packages Available: Compliant with environmental regulations
Applications
The MC33178DG is particularly suited for various applications, including:
- Telecom Applications: Due to its ability to drive a minimum 600 Ω load and its stability with up to 1000 pF of load capacitance.
- Quality Audio Applications: Low noise and distortion make it ideal for audio signal processing.
- Data Signal Processing: High gain bandwidth and slew rate ensure accurate and fast signal processing.
- General Purpose Amplification: Suitable for a wide range of applications requiring low power consumption and high performance.
Q & A
- What is the typical input offset voltage of the MC33178DG?
The typical input offset voltage is 0.15 mV.
- What is the maximum supply voltage for the MC33178DG?
The maximum supply voltage is ±18 V.
- What is the slew rate of the MC33178DG?
The slew rate is 2.0 V/μs.
- What is the gain bandwidth product of the MC33178DG?
The gain bandwidth product is 5.0 MHz.
- Is the MC33178DG available in Pb-free packages?
Yes, Pb-free packages are available.
- What is the operating temperature range for the MC33178DG?
The operating temperature range is −40°C to +85°C.
- What is the typical power supply current for the MC33178DG?
The typical power supply current is 1.4 mA.
- Does the MC33178DG have ESD protection on its inputs?
Yes, the MC33178DG has ESD clamps on its inputs to increase ruggedness.
- What is the common mode rejection ratio (CMR) of the MC33178DG?
The CMR is typically 110 dB.
- Can the MC33178DG drive heavy loads?
Yes, it can drive a minimum 600 Ω load with high output current drive capability.
