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MC33078

Low noise dual operational amplifier

Features

■ Low voltage noise: 4.5 nV/√Hz

■ High gain bandwidth product: 15 MHz

■ High slew rate: 7 V/µs

■ Low distortion: 0.002%

■ Large output voltage swing: +14.3 V / -14.6 V

■ Low input offset voltage

■ Excellent frequency stability

■ ESD protection 2 kV

■ Macromodel included in this specification

Description

The MC33078 is a monolithic dual operational amplifier particularly well suited for audio applications.

It offers low voltage noise (4.5 nV/√Hz) and high frequency performance (15 MHz gain bandwidth product, 7 V/µs slew rate).

In addition, the MC33078 has a very low distortion (0.002%) and excellent phase/gain margins.

The output stage allows a large output voltage swing and symmetrical source and sink currents.

Absolute maximum ratings (AMR)

1. Either or both input voltages must not exceed the magnitude of V_CC+ or V_CC- .

2. Short-circuits can cause excessive heating and destructive dissipation.

3. Rth are typical values.

4. Human body model: A 100 pF capacitor is charged to the specified voltage, then discharged through a 1.5 kΩ resistor between two pins of the device. This is done for all couples of connected pin combinations while the other pins are floating.

5. Machine model: A 200 pF capacitor is charged to the specified voltage, then discharged directly between two pins of the device with no external series resistor (internal resistor < 5 Ω). This is done for all couples of connected pin combinations while the other pins are floating.

6. Charged device model: all pins and the package are charged together to the specified voltage and then discharged directly to the ground through only one pin. This is done for all pins.

Schematic diagram (1/2 MC33078)