Datasheet LM258, LM358, LM358A, LM358E, LM2904, LM2904A, LM2904E, LM2904V, NCV2904 (ON Semiconductor) - 8

LM258, LM358, LM358A, LM358E, LM2904, LM2904A, LM2904E, LM2904V, NCV2904
50 k R1 V V CC 5.0 k CC R2 - 10 k V 1/2 - CC V V
LM358
O ref 1/2 V
MC1403
+
LM358
O 2.5 V + 1 f 1 o = 2 RC Vref = VCC 2 For: fo = 1.0 kHz R1 V ) R R = 16 k O = 2.5 V (1 + R2 R C C C = 0.01 F
Figure 10. Voltage Reference Figure 11. Wien Bridge Oscillator
1 e + R 1 C R 1/2
LM358
R2 Hysteresis - VOH R1 - V a R1 V + O 1/2 ref R1 e 1/2
LM358
o
LM358
+ Vin - VO b R1 VOL 1 V - R inL VinH C 1/2 R1 V V inL = (V ref
LM358
R1 + R2 OL - Vref)+ Vref e + 2 R R1 VinH = (V R1 + R2 OH - Vref) + Vref eo = C (1 + a + b) (e2 - e1) R1 H = (V R1 + R2 OH - VOL)
Figure 12. High Impedance Differential Amplifier Figure 13. Comparator with Hysteresis
1 R fo = 2 R 100 k RC R1 = QR 1 C1 V V = V in R2 C C R1 ref 2 CC - R2 = R TBP 1/2 -
LM358
100 k 1/2 - R3 = TN R2 +
LM358
1/2 C1 = 10 C +
LM358
+ Vref For: fo = 1.0 kHz Vref Bandpass Q = 10 V R3 ref Output TBP = 1 T = 1 R1 N R2 - C1 1/2 Notch Output
LM358
R = 160 k + C = 0.001 F R1 = 1.6 M Vref Where: T R2 = 1.6 M BP = Center Frequency Gain T R3 = 1.6 M N = Passband Notch Gain
Figure 14. Bi−Quad Filter www.onsemi.com 8