LM2902WDT STMicroelectronics, LM2902WDT Datasheet - Page 9

• Manufacturer Part Number: LM2902WDT
• Description: IC OPAMP QUAD LP 1.3MHZ 14-SOIC
• Manufacturer: STMicroelectronics

Specifications of LM2902WDT

• Amplifier Type: General Purpose
• Number Of Circuits: 4
• Slew Rate: 0.4 V/µs
• Gain Bandwidth Product: 1.3MHz
• Current - Input Bias: 20nA
• Voltage - Input Offset: 2000µV
• Current - Supply: 1.5mA
• Current - Output / Channel: 20mA
• Voltage - Supply, Single/dual (±): 3 V ~ 30 V, ±1.5 V ~ 15 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 14-SOIC (3.9mm Width), 14-SOL
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Output Type: -
• -3db Bandwidth: -

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