Wide gain bandwidth as shown in Figure 38 and low input voltage noise as shown in Figure 39 make the OPAx320-Q1 device an excellent wideband photodiode transimpedance amplifier.
VS = ±2.5 V, C(L) = 50 pF
Figure 38. Open-Loop Gain and Phase vs Frequency
VS = 1.8 to 5.5 V
Figure 39. Input Voltage Noise Spectral Density vs Frequency