0
ACTIVE
Number of channels |
2 |
Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) |
36 |
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) |
3 |
Rail-to-rail |
In to V- |
GBW (typ) (MHz) |
0.9, 1.2 |
Slew rate (typ) (V/µs) |
0.4, 0.5 |
Vos (offset voltage at 25°C) (max) (mV) |
4 |
Iq per channel (typ) (mA) |
0.27, 0.35 |
Vn at 1 kHz (typ) (nV√Hz) |
38, 50 |
Rating |
Catalog |
Operating temperature range (°C) |
-40 to 105 |
Offset drift (typ) (µV/°C) |
3.5, 7 |
Features |
Internal reference |
Input bias current (max) (pA) |
10000, 150000 |
CMRR (typ) (dB) |
85, 94 |
Iout (typ) (A) |
0.012, 0.02 |
Architecture |
Bipolar |
Input common mode headroom (to negative supply) (typ) (V) |
0 |
Input common mode headroom (to positive supply) (typ) (V) |
-1.5, 1.5 |
Output swing headroom (to negative supply) (typ) (V) |
0.005 |
Output swing headroom (to positive supply) (typ) (V) |
-2, 1.4 |
SOIC (D)-8-29.4 mm² 4.9 x 6
The TL103Wx devices combine the building blocks of a dual operational amplifier and a fixed voltage reference – both of which are often used in the control circuitry of switch-mode and linear power supplies. OP AMP1 has the noninverting input internally tied to a fixed 2.5V reference, while OP AMP2 is independent, with both inputs uncommitted.
The upgraded TL103WB features improvements such as a wider supply range (up to 36V), lower supply current (275µA/amp) and tighter voltage regulation. This regulation can be achieved through low offset voltages for both operational amplifiers (0.3mV typical) and tight tolerances for the voltage reference (0.44% at 25°C and 1.04% over operating temperature range).
The TL103WB has a widened temperature range of –40°C to 125°C.
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