LM2902DT STMicroelectronics, LM2902DT Datasheet - Page 10

• Manufacturer Part Number: LM2902DT
• Description: IC OP AMP LP QUAD 14-SOIC
• Manufacturer: STMicroelectronics

Specifications of LM2902DT

• 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
• Number Of Channels: 4
• Voltage Gain Db: 100 dB
• Common Mode Rejection Ratio (min): 70 dB
• Input Offset Voltage: 7 mV
• Operating Supply Voltage: 5 V, 9 V, 12 V, 15 V
• Supply Current: 1.2 mA
• Maximum Power Dissipation: 400 mW
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Maximum Dual Supply Voltage: +/- 15 V
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Output Type: -
• -3db Bandwidth: -
• Lead Free Status / Rohs Status: Details
• Other names: 497-1557-2

Typical single-supply applications
5
10/16
Figure 19. AC coupled inverting amplifier
Figure 21. Non-inverting DC gain
Figure 23. Active bandpass filter
e
e
1
I
~
10kΩ
V
R1
C
CC
10k Ω
R3
I
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
1/4
R3
1/4
10MΩ
R
6.2kΩ
R4
f
R
330pF
B
C2
470kΩ
100kΩ
R6
R8
(as shown A = -10)
A = -
e
V
C
O
o
R1
R
+5V
330pF
0
e
f
C1
LM2902
10k Ω
o
A
0
R
1/4
V
V
L
10 μ F
= 1 +
C3
(As shown
e
I
(mV)
R2
R1
470kΩ
100kΩ
R5
R7
A
V
= 101)
2V
e
V
PP
O
CC
Figure 20. AC coupled non-inverting amplifier
Figure 22. DC summing amplifier
Figure 24. High input Z adjustable gain DC
0.1 μ F
e
C1
2
e
2k Ω
e
1
R2
If R1 = R5 and R3 = R4 = R6 = R7
eo = [ 1 +
As shown eo = 101 (e2 - e1)
I
~
e
e
e
e
100k Ω
C
1
2
3
4
10 μ F
R1
I
2R1
R2
1M Ω
C2
R3
instrumentation amplifier
100kΩ
100kΩ
100kΩ
100kΩ
Gain adjust
] (e2 - e1)
eo = e1 + e2 - e3 - e4
where (e1 + e2)
to keep eo
LM2902
LM2902
LM2902
1/4
1/4
100k Ω
100k Ω
1MΩ
1/4
100kΩ
R1
R5
R2
100kΩ
6.2kΩ
R5
R4
R
≥
B
0V
100kΩ
V
CC
≥
(e3 + e4)
(as shown A = 11)
A = 1 + R2
100k Ω
100k Ω
C
LM2902
V
R6
R3
o
1/4
100kΩ
e
R1
10k Ω
o
0
R
V
L
LM2902
100k Ω
R7
1/4
100k Ω
e
R4
O
LM2902
2V
e
PP
O