BUY MN3204 https://www.utsource.net/itm/p/949340.html
512-STAGE LOW VOLTAGE OPERATION LOW NOISE BBD
Manufacturer:Panasonic Description:Quad comparator Features: Low Current Consumption of 0.8 μA (Typ.) Low Input Offset Voltage of 3 mV (Typ.) Low Input Bias Current of 1 μA (Typ.) Wide Power Supply Voltage Range (Single: +2 to +36 V, Dual: ±1 to ±18 V) High Output Voltage Swing (VOH > VT+ 4.0 V (Typ.) under RL = 10 kΩ) Low Distortion (-60 dBc (Typ.) at f = 1 kHz) Applications: Camera Flash Control Level Detection Data Comparator Audio Signal Processing (For reference only)