BUY LM193JG https://www.utsource.net/itm/p/156519.html
DUAL DIFFERENTIAL COMPARATORS
Description: Dual Differential Comparator Features: -Wide common mode range: 0V to VCC-1.5V -High speed: 3.0V/μs -Low offset voltage: 0.8mV max -Low input bias current: 1.0nA max -Low input offset current: 5.0nA max -Low output saturation voltage: 0.4V max Applications: -Linear and digital control systems -Data acquisition systems -Battery operated systems -High speed sample and hold circuits -High speed comparators -High speed integrators -High speed filters (For reference only)