LM2903DT STMicroelectronics, LM2903DT Datasheet - Page 7

• Manufacturer Part Number: LM2903DT
• Description: IC COMPARATOR LP DUAL 8-SOIC
• Manufacturer: STMicroelectronics
• Type: General Purposer

Specifications of LM2903DT

• 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-SOIC (0.154", 3.90mm Width)
• Comparator Type: Low Power
• No. Of Comparators: 2
• Response Time: 1.3µs
• Ic Output Type: CMOS, MOS, TTL, DTL, ECL
• Supply Current: 1mA
• Supply Voltage Range: ± 1V To ± 18V
• Amplifier Case Style: SOIC
• Rohs Compliant: Yes
• Number Of Elements: 2
• Technology: Bipolar
• Input Offset Voltage: 7mV
• Input Bias Current (typ): 250nA
• Single Supply Voltage (typ): 3/5/9/12/15/18/24/28V
• Dual Supply Voltage (typ): ±3/±5/±9/±12/±15V
• Supply Current (max): 1@5VmA
• Power Supply Requirement: Single/Dual
• Voltage Gain In Db: 106.02dB
• Single Supply Voltage (min): 2V
• Single Supply Voltage (max): 36V
• Dual Supply Voltage (min): ±1V
• Dual Supply Voltage (max): ±18V
• Power Dissipation: 710mW
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Mounting: Surface Mount
• Pin Count: 8
• Package Type: SO
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-1559-2

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