Quad audio op-amp for automotive signal chains
The MC33079YDT: The 15 MHz gain-bandwidth product and 7V/µs slew rate deliver the small-signal bandwidth needed for line-level audio processing, active filtering up to the low-MHz range, and ADC driver stages in infotainment head units or telematics control modules. Four independent amplifiers share a single 14-SOIC package drawing 8 mA total quiescent supply current.
Supply range and DC precision for mixed-signal boards
The 5 V to 30 V supply span lets the part operate from a single 5 V rail or split ±15 V supplies commonly used in professional audio equipment. Input bias current is 250 nA typical. For a source impedance of 10 kΩ this generates a 2.5 mV DC error — comparable to the offset spec — so the designer should match the non-inverting input resistance to cancel the bias current drop, or use FET-input amplifiers if the source impedance exceeds 50 kΩ.
Active production and compliance posture
RoHS3 compliance covers the EU Directive 2015/863, and the AEC-Q100 qualification satisfies automotive customer PPAP requirements. Sourced through independent distribution channels.