LM2902HD STMicroelectronics, LM2902HD Datasheet - Page 11

• Manufacturer Part Number: LM2902HD
• Description: IC OPAMP QUAD LP 1.3MHZ 14-SOIC
• Manufacturer: STMicroelectronics

Specifications of LM2902HD

• 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 ~ 150°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: -

LM2902
Figure 25. High input Z, DC differential
Figure 27. Using symmetrical amplifiers to
+V1
+V2
eo = [ 1 +
As shown eo = (e2 - e1)
1.5MΩ
e
I
100k Ω
I
I
B
B
R1
R4
R3
I
I
amplifier
reduce input current (general
concept)
] (e2 - e1)
2N 929
I
B
LM2902
100k Ω
1/4
LM2902
3MΩ
R2
1/4
I
0.001 μ F
I
B
B
LM2902
100k Ω
1/4
R3
Aux. amplifier for input
current compensation
e
o
LM2902
100k Ω
1/4
R4
V
o
Figure 26. Low drift peak detector
* Polycarbonate or polyethylene
e
I
Z
I
LM2902
1/4
I
Typical single-supply applications
B
1 μ F
1MΩ
R
2I
B
*
C
2N 929
2I
I
B
B
LM2902
3MΩ
1/4
3R
I
I
B
0.001 μ F
B
LM2902
Z
o
1/4
Input current
compensation
e
o
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