LM2903YPT STMicroelectronics, LM2903YPT Datasheet - Page 8

• Manufacturer Part Number: LM2903YPT
• Description: IC VOLT COMPARATOR DUAL 8-TSSOP
• Manufacturer: STMicroelectronics
• Type: General Purposer

Specifications of LM2903YPT

• Number Of Elements: 2
• Output Type: CMOS, DTL, ECL, MOS, Open-Collector, TTL
• Voltage - Supply: 2 V ~ 36 V, ±1 V ~ 18 V
• Mounting Type: Surface Mount
• Package / Case: 8-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-10216-2

Typical application schematics
Figure 19. Time delay generator
Figure 20. Two-decade high-frequency VCO
8/15
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 2470 Rev 8
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
t
o
o
0
LM2903
t
1
t
2
t
3