OPAx375, 500uV, 10-MHz, Low Broadband Noise, RRO, Operational Amplifier

OPAx375, 500uV, 10-MHz, Low Broadband Noise, RRO, Operational Amplifier  - OPA375


The OPA375 operational amplifier (op amp) is a general-purpose CMOS op amp that provides low noise of 3.7 nV/√Hz. low offset of 500µV (maximum) and a wide bandwidth of 10 MHz. The low noise and wide bandwidth make the OPA375 device attractive for a variety of precision applications that require a good balance between cost and performance. Additionally, the input bias current of the OPA375 supports applications with high source impedance.

The robust design of the OPA375 provides ease-of-use to the circuit designer due to the unity-gain stability, integrated RFI/EMI rejection filter, no phase reversal in overdrive conditions, and high electrostatic discharge (ESD) protection (1-kV HBM). Additionally, the resistive open-loop output impedance allows for easy stabilization with much higher capacitive loads.

This op amp is optimized for low-voltage operation as low as 2.25 V (±1.125 V) and up to 5.5 V (±2.75 V), and is specified over the temperature range of –40°C to +125°C.

The single-channel OPA375 is available in a small-size SC70-5 package.


  • Low Broadband Noise: 3.7 nV/√Hz
  • Low Offset Voltage: 500 µV (Maximum)
  • Gain Bandwidth: 10 MHz
  • Low Input Bias Current: 10 pA
  • Rail-to-Rail Output
  • Unity-Gain Stable
  • Low IQ: 890 µA/ch
  • Microsize Package: SC70 (DCK)
  • Wide Supply Range: 2.25 V to 5.5 V
  • ESD Protection: ±3000 V Human Body Model (HBM)

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Parametrics Compare all products in Precision Op Amps (Vos<1mV)

Number of Channels (#)
Total Supply Voltage (Min) (+5V=5, +/-5V=10)
Total Supply Voltage (Max) (+5V=5, +/-5V=10)
GBW (Typ) (MHz)
Slew Rate (Typ) (V/us)
Vos (Offset Voltage @ 25C) (Max) (mV)
Offset Drift (Typ) (uV/C)
Iq per channel (Typ) (mA)
Vn at 1kHz (Typ) (nV/rtHz)
CMRR (Typ) (dB)
Operating Temperature Range (C)
Package Group
Package Size: mm2:W x L (PKG)
Input Bias Current (Max) (pA)
Output Current (Typ) (mA)
OPA375 OPA2325 OPA388
1    2    1   
2.25    2.2    2.5   
5.5    5.5    5.5   
10    10    10   
4.75    5    5   
In to V-
0.5    0.15    0.005   
0.35    2    0.005   
0.89    0.65    1.7   
5    10    7   
120    114    138   
-40 to 125    -40 to 125    -40 to 125   
SC70    SOIC    SOIC
5SC70: 4 mm2: 2.1 x 2(SC70)    8SOIC: 29 mm2: 6 x 4.9(SOIC)    8SOIC: 29 mm2: 6 x 4.9(SOIC)
5SOT-23: 8 mm2: 2.8 x 2.9(SOT-23)
8VSSOP: 15 mm2: 4.9 x 3(VSSOP)   
  10    350   
50    30    60   
EMI Hardened    Zero Crossover    EMI Hardened
High Cload Drive
Zero Crossover
Zero Drift   

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