TL103W_16 Datasheet, PDF (1/16 Pages) Texas Instruments – Dual Operational Amplifiers With Internal Reference

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TL103W, TL103WA
SLOS437L – APRIL 2004 – REVISED FEBRUARY 2016
TL103W Dual Operational Amplifiers
With Internal Reference
1 Features
•1 Operational Amplifier
– 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 V_CC – 1.5 V
– Wide Supply-Voltage Range…3 V to 32 V
– 2.5-kV ESD Protection (HBM)
• Voltage Reference
– Fixed 2.5-V Reference
– Tight Tolerance Max of:
– TL103WA…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
– Output Impedance…0.2 Ω (Typ)
2 Applications
• Battery Chargers
• Switch-Mode Power Supplies
• Linear Voltage Regulation
• Data-Acquisition Systems
3 Description
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. OP AMP1 has its noninverting input
internally tied to a fixed 2.5-V reference, while OP
AMP2 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.
Device Information⁽¹⁾
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TL103W
TL103WA
SOIC (8)
WSON (8)
4.90 mm x 3.91 mm
4.00 mm x 4.00 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Typical Application Circuit
R1
Opto
Isolator
AC _SMPS
Line
R2
OP AMP2
_
+
Constant Current Control
R3
R4
R5
R8
Battery
Current
Sense
R6
2.5 V
OP AMP1
_
V_REF
+
Constant Voltage Control
TL103W/A
R7
R9
Figure 1. TL103W/A in a Constant-Current and
Constant-Voltage Battery Charger
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.