The OPA3S328 is a precision, low-voltage, CMOS operational amplifier with integrated switches optimized for flexible transimpedance applications. It features a wide bandwidth of 40 MHz, very low input bias current of 0.2 pA, and low offset voltage of 60 µV. The integrated switches are designed with low leakage (10 pA), allowing for selectable transimpedance gains in space-constrained applications. The device includes zero-crossover input technology and enable-disable capability, providing high accuracy and power efficiency for portable test and measurement equipment.
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| Gain Bandwidth Product | 40MHz |
| Slew Rate | 30V/µs |
| Input Offset Voltage (Max) | 60µV |
| Input Bias Current | 0.2pA |
| Supply Voltage (Min) | 2.2V |
| Supply Voltage (Max) | 5.5V |
| Number of Channels | 2 |
| Quiescent Current (Per Channel) | 3.8mA |
| Operating Temperature Range | -40 to 125°C |
| Voltage Noise Density (at 10 kHz) | 6.1nV/√Hz |
| Common Mode Rejection Ratio (CMRR) | 114dB |
| Switch Leakage Current | 10pA |
| Output Type | Rail-to-Rail |
| RoHS | Compliant |
| REACH | Compliant |
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