LM2902W STMicroelectronics, LM2902W Datasheet - Page 9

• Manufacturer Part Number: LM2902W
• Description: Low power quad operational amplifier
• Manufacturer: STMicroelectronics

Specifications of LM2902W

• Wide Gain Bandwidth: 1.3 MHz
• Large Voltage Gain: 100 dB
• Very Low Supply Current Per Amplifier: 375 μA
• Low Input Bias Current: 20 nA
• Low Input Offset Current: 2 nA
• Esd Internal Protection: 800 V
• Single Supply: +3 V to +30 V
• Dual Supplies: ±1.5 V to ±15 V

LM2902W
4
Figure 18. AC coupled inverting amplifier
Figure 20. Non-inverting DC gain
Figure 22. Active bandpass filter
e
e
1
I
10 kΩ
~
V
R1
C
CC
10 k Ω
I
10 k Ω
R3
100 kΩ
10 kΩ
10 μF
R1
R2
Fo = 1 kHz
Q = 50
Av = 100 (40 dB)
C1
Typical single-supply applications
LM2902
1/4
100 k Ω
LM2902
1 MΩ
100 kΩ
LM2902
LM2902
R1
R2
100 kΩ
1/4
R3
1/4
1/4
10 MΩ
6.2 kΩ
R
R4
f
R
330 pF
B
C2
470 kΩ
100 kΩ
R6
R8
(as shown A = -10)
A = -
V
e
C
O
o
R
R1
330 pF
+5 V
0
C1
f
e
LM2902
10 kΩ
o
0
A
R
1/4
V
10 μF
V
L
C3
= 1 + R2
(As shown
e
I
(mV)
100 kΩ
R1
470 kΩ
R5
R7
Doc ID 9922 Rev 8
A
V
= 101)
2V
e
V
O
PP
CC
Figure 19. AC coupled non-inverting amplifier
Figure 21. DC summing amplifier
Figure 23. High input Z adjustable gain DC
0.1 μF
C1
e
e
I
2
e
~
2 k Ω
1
R2
If R1 = R5 and R3 = R4 = R6 = R7
eo = [ 1 +
As shown eo = 101 (e2 - e1)
100 kΩ
C
10 μF
e
e
e
e
R1
1 MΩ
I
2
3
4
1
C2
R3
2R1
R2
instrumentation amplifier
100 kΩ
100 kΩ
100 kΩ
100 kΩ
Typical single-supply applications
Gain adjust
eo = e1 + e2 - e3 - e4
where (e1 + e2)
to keep eo
] (e2 - e1)
LM2902
LM2902
LM2902
1/4
1 MΩ
1/4
100 k Ω
100 k Ω
1/4
100 kΩ
R2
100 kΩ
6.2 kΩ
R1
R5
R5
R4
R
B
≥
100 kΩ
0 V
V
CC
≥
(e3 + e4)
(as shown A = 11)
100 k Ω
100 k Ω
A = 1 + R2
V
C
LM2902
R3
R6
o
1/4
100 kΩ
e
R1
10 kΩ
o
0
R
LM2902
100 k Ω
V
L
R7
1/4
100 k Ω
R4
e
O
e
O
2 V
9/17
PP