LM2903N STMicroelectronics, LM2903N Datasheet - Page 8

• Manufacturer Part Number: LM2903N
• Description: IC COMPARATOR LP DUAL 8-DIP
• Manufacturer: STMicroelectronics
• Type: General Purposer

Specifications of LM2903N

• 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: Through Hole
• Package / Case: 8-DIP (0.300", 7.62mm)
• Number Of Channels: 2 Channels
• Response Time: 1.3 us
• Offset Voltage (max): 7 mV
• Input Bias Current (max): 25 nA
• Supply Voltage (max): 36 V
• Supply Voltage (min): 18 V
• Supply Current (max): 1 mA
• Maximum Power Dissipation: 1250 mW
• Maximum Operating Temperature: + 125 C
• Mounting Style: Through Hole
• Minimum Operating Temperature: - 40 C
• Amplifier Type: Comparator
• Comparator Type: Voltage
• Current, Input Bias: 25 nA
• Current, Input Offset: 5 nA
• Current, Offset, Input: 5 nA (Typ.)
• Current, Output: 0.1 nA
• Current, Supply: 1 mA
• Impedance, Thermal: 85 °C/W
• Number Of Amplifiers: Dual
• Number Of Circuits: 2
• Package Type: DIP-8
• Power Dissipation: 1250 mW
• Temperature, Operating, Maximum: 125 °C
• Temperature, Operating, Minimum: -40 °C
• Temperature, Operating, Range: -40 to +125 °C
• Temperature, Storage: -65 to +150 °C
• Voltage, Differential Input: ±36 V
• Voltage, Gain: 200 V/mV
• Voltage, Input: -0.3 to +36 V
• Voltage, Input Offset: 1 mV
• Voltage, Offset, Input: 1 mV (Typ.)
• Voltage, Saturation: 250 mV (Typ.)
• Voltage, Supply: ±1 to ±18 V
• No. Of Comparators: 2
• Ic Output Type: CMOS, MOS, TTL, DTL, ECL
• Supply Current: 1mA
• Supply Voltage Range: ± 1V To ± 18V
• Amplifier Case Style: DIP
• Rohs Compliant: Yes
• Output Compatibility: CMOS, DTL, ECL, MOS, TTL
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-1560-5

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