LM393 là ic OPAMP 2 kênh tích hợp, thường được ứng dụng trong các bộ so sánh, bộ ADC đơn giản, bộ tạo xung, bộ tạo delay,...

FEATURES
-Wide Supply
+Voltage Range: 2.0V to 36V
+Single or Dual Supplies: ±1.0V to ±18V
-Very Low Supply Current Drain (0.4 mA) —Independent of Supply Voltage
-Independent of Supply Voltage
- Low Input Offset Current: ±5 nA
- Maximum Offset voltage: ±3 mV
- Input Common-Mode Voltage Range Includes Ground
- Differential Input Voltage Range Equal to the Power Supply Voltage
- Low Output Saturation Voltage: 250 mV at 4mA
- Output Voltage Compatible with TTL, DTL, ECL, MOS and CMOS logic systems

Datasheet: http://www.ti.com/lit/ds/symlink/lm393-n.pdf