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Texas Instruments OPA4348AIDR — Analog & Data Acquisition

OPA4348AIDR CMOS Op-Amp, 1 MHz GBW, Rail-to-Rail, 14-SOIC

MPNOPA4348AIDR
End of Life

Texas Instruments OPA4348AIDR, quad CMOS rail-to-rail op-amp, 1 MHz gain bandwidth, 0.5 V/µs slew rate, 2.1 V to 5.5 V supply, 14-SOIC package, -40°C to 125°C.

$1.59Ref. price · indicative, final on quote
Texas Instruments OPA4348AIDR datasheet (PDF)
Packaging14-SOIC (0.154", 3.90mm Width)
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

OPA4348AIDR specifications
ParameterValue
Output typeRail-to-Rail
MountingSurface Mount
Amplifier typeCMOS
Voltage - input offset1 mV
Voltage - supply span5.5 V
Current - supply45µA (x4 Channels)
Current - input bias0.5 pA
Current - output (Channel)10 mA
Operating temperature-40°C ~ 125°C
Gain bandwidth product1 MHz
PackageTape & Reel (TR); Cut Tape (CT)
Slew rate0.5V/µs
Case14-SOIC (0.154\", 3.90mm Width)
Number of circuits4

Product details

Quad CMOS op-amp for low-power signal chains

The Texas Instruments OPA4348AIDR contains four CMOS rail-to-rail op-amps in a 14-SOIC package.

Supply current and voltage — fit for battery and 5 V systems

Supply current is 45 µA per channel.

The CMOS inputs draw only 0.5 pA of bias current, so high-impedance sensor signals (thermistors, photodiodes, pH probes) are not loaded down — a real advantage when the trace runs across a noisy PCB.

Output drive and input offset

Each output can source or sink 10 mA. Input offset voltage is trimmed to 1 mV.

Frequently asked questions

What is the replacement for OPA4348AIDR?

There is no direct replacement announced because the part is still active. For a wider-bandwidth alternative, consider the OPA4374AIPWT (6.5 MHz GBW, 5 V/µs slew rate) — same quad CMOS family, same 14-SOIC footprint, but higher supply current per channel.

What is the difference between OPA4348AIDR and OPA4348AID?

The 'R' suffix in OPA4348AIDR indicates Tape & Reel packaging; the non-'R' variant typically ships in tubes or other media. Electrically they are identical.