LM2903N STMicroelectronics, LM2903N Datasheet - Page 7

• 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

LM2903
Figure 13. Low frequency op- amp with offset
Figure 15. Limit comparator
Figure 17. Crystal controlled oscillator
e
l
~
R
S
V
V
high
low
0.1 μF
(ref)
(ref)
e
I
R
200 kΩ
200 kΩ
~
2
adjust
Offset adjust
2R
R
2R
R
1
S
S
S
V
LM2903
CC
f = 100 kHz
100 kΩ
1/2
1 MΩ
= 15 V
LM2903
LM2903
1/2
1/ 2
5 V
1 kΩ
100 kΩ
10 kΩ
2 kΩ
V
CC
1 MΩ
LM2903
e
1/ 2
o
100 kΩ
(12 V)
V
R1
CC
15 kΩ
0.5 μ F
0
2N 2222
Lamp
Doc ID 2470 Rev 8
2N 2222
5 V
e
o
Figure 14. Zero crossing detector (single
Figure 16. Split-supply applications - zero
Figure 18. Comparator with a negative
e
l
5.1 kΩ
e
e
I
I
power supply)
crossing detector
~
reference
~
1N4148
5.1 kΩ
Typical application schematics
5 V
100 kΩ
LM2903
LM2903
10 kΩ
1/2
1/2
15 V
15 V
15 V
15 V
100 kΩ
LM2903
20 MΩ
1/ 2
5 V
5.1 kΩ
5.1 kΩ
e
e
o
o
5.1 kΩ
7/15