LM2902WDT STMicroelectronics, LM2902WDT Datasheet - Page 10

• 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: -

Typical single-supply applications
10/18
Figure 24. High input Z, DC differential
Figure 26. Using symmetrical amplifiers to
+V1
+V2
eo = [ 1 +
As shown eo = (e2 - e1)
1.5MΩ
e
100k Ω
I
I
I
R1
B
B
R4
R3
I
I
amplifier
] (e2 - e1)
reduce input current (general
concept)
2N 929
I
LM2902
B
100k Ω
1/4
LM2902
R2
3MΩ
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 25. Low drift peak detector
* Polycarbonate or polyethylene
e
I
Z
I
LM2902
1/4
I
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
1/4
o
Input current
compensation
LM2902W
e
o