ST MC33172 MC35172 Low power dual bipolar operational amplifiers User's Manual and Data Sheet
Summary
These low-power, high-speed dual bipolar operational amplifiers are engineered for precise signal amplification in sensitive systems. Featuring exceptional performance at just 200 µA and a wide single-supply voltage range, they offer reliable operation across diverse electrical environments. The comprehensive manual details all critical electrical characteristics—including gain bandwidth product (GBP), common-mode rejection ratio (CMRR), and absolute maximum ratings—providing design engineers with the necessary data to integrate robust solutions into low-power electronic circuits.
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MC33172 MC35172
Low power dual bipolar operational amplifiers
Features Good consumption/speed ratio: only 200 µA for 2.1 MHz, 2 V/µs Single (or dual) supply operation from +4 V to +44 V (±2 V to ±22V) Wide input common mode mode voltage range
including VCC- DIP8 (Plastic package)
Low level output voltage close to VCC- : m V typical Pin-to-pin compatible with standard dual operational amplifiers
Description The MC3x172 series are dual bipolar operational amplifiers offering both low consumption SO-8 (200 µA/Amp) and good speed (2.1 MHz, 2 V/µs). (Plastic micropackage) Moreover, the input common mode range extends down to the lower supply rail, allowing single supply operation from +4 V to +44 V.
Output 1 CC
Inverting Input 1 Ouptut
Non-inverting Input 1 Inverting Input 2
Non-inverting Input 2
Pin connections (top view)
July 2008 Rev 2 1/9
www.st.com
Page Summary Contents For ST MC33172 MC35172 Low power dual bipolar operational amplifiers User's Manual and Data Sheet
Manual Details
| Brand | Dual |
|---|---|
| Pages | 9 |
| File Size | 137.49 KB |
| Published | June 03, 2026 |
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Frequently Asked Questions
What is the minimum operating voltage for single supply mode?
The amplifier supports single supply operation from +4 V up to +44 V.
How low is the power consumption of this dual op-amp series?
It offers a very low consumption rate of only 200 µA per amplifier in the SO-8 package.
What are the operating temperature ranges for the two models?
MC33172 supports -40 to 105°C, while MC35172 can operate from -55 to 125°C.
What is the maximum slew rate of this amplifier?
It has a typical slew rate of up to 2 V/µs, indicating good high-frequency performance.