LM324D/DT STMICROELECTRONICS [STMicroelectronics], LM324D/DT Datasheet - Page 11

• Manufacturer Part Number: LM324D/DT
• Description: Low power quad operational amplifiers
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

LM124-LM224-LM324
Figure 19. Active bandpass filter
Figure 21. Using symmetrical amplifiers to
Fo = 1kHz
Q = 50
Av = 100 (40dB)
reduce input current (general
concept)
Figure 20. High input Z, DC differential
e
As shown e
For
(CMRR depends on this resistor ratio match)
0
⎛
⎝
1
R
-------
R
1
2
+
amplifier
R
-------
R
=
4
3
⎞
⎠
R
-------
R
0
Typical single-supply applications
= (e
4
3
(e
2
2
- e
- e
1
1
)
)
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