Overview
The MC33078D is a bipolar dual operational amplifier produced by Texas Instruments. It is designed for high-performance applications, particularly in quality audio and data-signal processing. This device operates over a wide range of single- and dual-supply voltages, offering low noise, high gain bandwidth, and high slew rate. The MC33078D is well-suited for applications requiring low distortion, excellent phase and gain margins, and large output voltage swing with no deadband crossover distortion.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | ±2.5 | - | ±18 | V |
| Input Offset Voltage | 0.15 | - | 3.0 | mV |
| Input Bias Current | - | 250 | 800 | nA |
| Total Harmonic Distortion | - | 0.002% | - | % |
| Slew Rate | - | 7 | - | V/µs |
| Gain Bandwidth Product | - | 16 | - | MHz |
| Output Voltage Swing | -14.6 | - | 14.1 | V |
| Common Mode Rejection Ratio | 80 | 100 | - | dB |
| Power Supply Rejection Ratio | 80 | 105 | - | dB |
| Operating Temperature Range | -40 | - | 85 | °C |
| Package Type | - | SOIC (D) | - | - |
| Pins | - | 8 | - | - |
Key Features
- Dual-Supply Operation: ±5 V to ±18 V
- Low Noise Voltage: 4.5 nV/√Hz
- Low Input Offset Voltage: 0.15 mV
- Low Total Harmonic Distortion: 0.002%
- High Slew Rate: 7 V/µs
- High-Gain Bandwidth Product: 16 MHz
- High Open-Loop AC Gain: 800 at 20 kHz
- Large Output-Voltage Swing: +14.1 V to -14.6 V
- Excellent Gain and Phase Margins
- Symmetrical Sink/Source Performance
- ESD Protection: 2 kV (HBM)
Applications
The MC33078D is particularly well-suited for various high-performance applications, including:
- Quality Audio Systems: Due to its low noise, low distortion, and high slew rate, it is ideal for audio amplifiers and filters.
- Data-Signal Processing: Its high gain bandwidth product and excellent phase and gain margins make it suitable for data acquisition and signal processing systems.
- Instrumentation: The device's low input offset voltage and high common mode rejection ratio make it suitable for precision instrumentation applications.
- Professional Audio Equipment: It is used in professional audio mixers, equalizers, and other audio processing equipment.
Q & A
- What is the supply voltage range for the MC33078D?
The MC33078D operates over a supply voltage range of ±2.5 V to ±18 V.
- What is the typical input offset voltage of the MC33078D?
The typical input offset voltage is 0.15 mV.
- What is the slew rate of the MC33078D?
The slew rate is 7 V/µs.
- What is the gain bandwidth product of the MC33078D?
The gain bandwidth product is 16 MHz.
- What is the total harmonic distortion (THD) of the MC33078D?
The total harmonic distortion is 0.002%.
- What is the output voltage swing of the MC33078D?
The output voltage swing is +14.1 V to -14.6 V.
- What is the operating temperature range for the MC33078D?
The operating temperature range is -40°C to 85°C.
- What type of package is the MC33078D available in?
The MC33078D is available in an SOIC (D) package with 8 pins.
- Does the MC33078D have ESD protection?
Yes, the MC33078D has ESD protection up to 2 kV (HBM).
- What are some common applications for the MC33078D?
Common applications include quality audio systems, data-signal processing, instrumentation, and professional audio equipment.
