Skip to main content
STMicroelectronics MC33171DT — Analog & Data Acquisition

MC33171DT Op-Amp, 2.1 MHz, 2 V/µs, 8-SOIC

MPNMC33171DT
End of Life

STMicroelectronics MC33171DT, General Purpose Op-Amp, 1 Circuit, 2.1 MHz Gain Bandwidth, 2 V/µs Slew Rate, 4 V to 44 V Supply, 220 µA Supply Current, 8-SOIC Package, -40°C to 105°C.

$1.42Ref. price · indicative, final on quote
Packaging8-SOIC (0.154", 3.90mm Width)
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

MC33171DT specifications
ParameterValue
MountingSurface Mount
Amplifier typeGeneral Purpose
Voltage - input offset1 mV
Voltage - supply span44 V
Current - supply220µA
Current - input bias20 nA
Current - output (Channel)27 mA
Operating temperature-40°C ~ 105°C
Gain bandwidth product2.1 MHz
PackageTape & Reel (TR); Cut Tape (CT)
Slew rate2V/µs
Case8-SOIC (0.154\", 3.90mm Width)
Number of circuits1

Product details

Active general-purpose op-amp in a standard SOIC-8 footprint

The wide supply range from 4 V to 44 V makes it flexible for single-supply or split-supply designs in industrial controls, sensor interfaces, and signal conditioning.

The 4 V to 44 V supply span covers common industrial rails: 5 V, 12 V, 24 V, and even 36 V systems, with headroom for regulation tolerance. The 220 µA typical supply current is low enough for loop-powered 4-20 mA transmitters or battery-operated field instruments where every microamp counts.

Slew rate and bandwidth — signal fidelity ceiling

For a 1 V peak-to-peak output swing, the full-power bandwidth is roughly 318 kHz — adequate for most sensor conditioning, active filters below 100 kHz, and general-purpose buffering. The 20 nA input bias current and 1 mV input offset voltage are typical for a bipolar-input general-purpose op-amp; they are not precision-grade but fine for non-critical signal chains.

Frequently asked questions

What is MC33171DT's listed slew rate?

The slew rate is 2 V/µs. Combined with the 2.1 MHz gain-bandwidth product, it handles audio and low-frequency control signals well.

Can MC33171DT replace LM358?

The MC33171DT is a single-channel op-amp, while the LM358 is a dual. For single-channel applications, the MC33171DT offers a wider supply range (44 V vs 32 V typical for LM358) and lower supply current (220 µA vs ~500 µA). Pin compatibility depends on the specific PCB layout; the standard SOIC-8 pinout for single op-amps differs from the dual LM358 in an 8-pin package. Verify the schematic before substituting.