LM2903W STMicroelectronics, LM2903W Datasheet - Page 8
LM2903W
Manufacturer Part Number
LM2903W
Description
Low power dual voltage comparator
Manufacturer
STMicroelectronics
Datasheet
1.LM2903W.pdf
(13 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LM2903WYDT
Manufacturer:
ST
Quantity:
20 000
Typical application schematics
Figure 19. Time delay generator
Figure 20. Two-decade high-frequency VCO
8/13
V
Frequency control
V
C1
CC
Input gating signal
voltage input
V
V
V
Vcontrol
3
2
1
0
t t
0 1
V
CC
t
0
2
t
o
t
3
100 kΩ
50 kΩ
t
A
t
4
+250 mV
700 Hz
V
V
(ref.)
CC
t
20 kΩ
= + 30 V
0.1 μF
10 kΩ
10 kΩ
f
o
V control
100 kHz
20 kΩ
10 kΩ
LM2903
+50 V
1/2
LM2903
Doc ID 022662 Rev 1
1/ 2
500 pF
15 kΩ
0.001 μ F
V
51 kΩ
51 kΩ
51 kΩ
C1
V
LM2903
1
1/ 2
V
V
V
CC
V
200 kΩ
3
2
3 kΩ
C C
0.01 μF
5.1 kΩ
= +15 V
10 kΩ
10 kΩ
10 kΩ
V
CC
/2
V
CC
/2
LM2903
LM2903
LM2903
100 kΩ
LM2903
1/2
1/2
1/2
10 MΩ
10 MΩ
10 MΩ
1/ 2
V
CC
3 kΩ
3 kΩ
3 kΩ
3 kΩ
V
V
V
O1
O2
03
Output 2
Output 1
V
V
V
CC
t
CC
t
CC
LM2903W
t
o
o
0
t
1
t
2
t
3