The TL103W and TL103WA combine the building blocks of a dual operational amplifier and a fixed voltage reference — both of which often are used in the control circuitry of both switch-mode and linear power supplies. OPAMP1 has its noninverting input internally tied to a fixed 2.5-V reference, while OPAMP2 is independent, with both inputs uncommitted.
For the A grade, especially tight voltage regulation can be achieved through low offset voltages for both operational amplifiers (typically 0.5 mV) and tight tolerances for the voltage reference (0.4% at 25°C and 0.8% over operating temperature range).
The TL103W and TL103WA are characterized for operation from –40°C to 105°C.
Low Offset Voltage Max of:
TL103WA. . .3 mV (25°C) and 5 mV (Full Temperature)
TL103W. . .4 mV (25°C) and 5 mV (Full Temperature)
Low Supply Current. . .350 µA/Channel (Typ)
Unity Gain Bandwidth. . .0.9 MHz (Typ)
Input Common-Mode Range Includes GND
Large Output-Voltage Swing. . .0 V to VCC - 1.5 V
Wide Supply-Voltage Range. . .3 V to 32 V
2-kV ESD Protection (HBM)
Fixed 2.5-V Reference
Tight Tolerance Max of:
TL103W. . .0.4% (25°C) and 0.8% (Full Temperature)
TL103W . . . 0.7% (25°C) and 1.4% (Full Temperature)
Low Temperature Drift. . .7 mV (Typ) Over Operating Temperature Range
Wide Sink-Current Range . . .0.5 mA (Typ) to 100 mA