LM2903W STMicroelectronics, LM2903W Datasheet - Page 6

• Manufacturer Part Number: LM2903W
• Description: Low power dual voltage comparator
• Manufacturer: STMicroelectronics

Specifications of LM2903W

• Low Input Bias Current: 25 nA typ.
• Low Input Offset Current: ±5 nA typ.
• Low Output Saturation Voltage: 250 mV typ. (IO= 4 mA)
• Esd Internal Protection: 2 kV

Typical application schematics
4
6/13
Figure 7.
Figure 9.
Figure 11. Low frequency op-amp
(e
+V
-V
~
o
(ref)
= 0 V for e
(ref)
1 kΩ
+V
-V
e
l
Typical application schematics
Basic comparator
Driving TTL
(ref)
(ref)
LM2903
LM2903
l
1/ 2
1/ 2
= 0 V)
100 k
LM2903
1/2
A
V
Ω
= 100
15 kΩ
5 V
V
15 kΩ
0.5 μF
CC
10 kΩ
5 V
= 5 V
2N 2222
V
&
&
O
e
Doc ID 022662 Rev 1
o
Figure 8.
Figure 10. Low frequency op-amp
Figure 12. Transducer amplifier
Magnetic pick-up
+V
-V
(ref)
(ref)
~
Driving CMOS
1 kΩ
e
l
10 kΩ
LM2903
1/ 2
LM2903
1/2
A
100 kΩ
V
10 kΩ
= 100
LM2903
5 V
1/ 2
20 MΩ
5 V
100 kΩ
5 V
3 kΩ
15 kΩ
0.5 μF
&
e
o
LM2903W
e
o