MC33079DG

Instrumentation, Op Amps, Buffer Amps Overview

The MC33079DG is a monolithic quad operational amplifier from onsemi, utilizing bipolar technology with high-frequency PNP input transistors. It operates within a supply voltage range of ±5 V to ±18 V (10 V to 36 V total). Key electrical parameters include a gain-bandwidth product of 16 MHz, a slew rate of 7 V/μs, and an input voltage noise density of 4.5 nV/√Hz. The device features a low input offset voltage of 2.5 mV, an input bias current of 150 nA, and a maximum output current of 29 mA per channel. It is housed in a 14-pin SOIC package and supports an operating temperature range from -40°C to +85°C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Low voltage noise characteristics suitable for sensitive signal processing
• High frequency performance with significant gain bandwidth and slew rate
• Large symmetrical output voltage swing capability
• Integrated ESD protection diodes on inputs

Instrumentation, Op Amps, Buffer Amps Applications

• Audio signal processing circuits
• Data signal conditioning
• Precision analog front-ends requiring low distortion

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix 'DG' corresponds to the tube packaging variant rather than the 'DR2G' reel variant when sourcing. Confirm the manufacturer is onsemi, as other vendors may produce functionally similar devices under different part numbers. Ensure the procurement order specifies the industrial temperature grade (-40°C to +85°C) if operation outside this range is required. Cross-reference datasheet revisions to ensure pinout and electrical limits remain consistent with design requirements.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component for applications demanding low noise and high speed in a quad configuration. Compare against the dual-channel MC33078 if fewer channels are sufficient. Consider the STMicroelectronics MC33079D for equivalent performance if alternative sourcing is needed. Evaluate the power supply constraints, as the device requires up to ±18 V for optimal output swing. Verify that the 150 nA input bias current meets the impedance requirements of the source circuit.

Instrumentation, Op Amps, Buffer Amps Part Context

This device belongs to the MC33078/MC33079 series of low-noise operational amplifiers. The series is designed for audio and data applications where low distortion and high frequency stability are critical. The quad configuration (MC33079) provides four independent amplifiers in a single package, offering space efficiency compared to discrete solutions or multiple dual amplifiers.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

• MC33079DR2G
• MC33079DT

Instrumentation, Op Amps, Buffer Amps FAQ

What is the input voltage noise density of the MC33079DG?

The input voltage noise density is specified as 4.5 nV/√Hz.

Does the MC33079DG have a shutdown feature?

No, the MC33079DG does not include a shutdown pin or feature; it operates continuously when powered.