TC1029 Datasheet, PDF (5/14 Pages) TelCom Semiconductor, Inc – LINEAR BUILDING BLOCK - DUAL LOW POWER OP AMP

TC1029
FIGURE 4-1:
MULTI-POLE BUTTERWORTH VOICE BAND RECEIVE FILTER
Gain = 0dB
Fch = 3.5kHz
-24dB/Octave
Fcl = 70Hz
+6dB/Octave
Passband Ripple
< 0.15dB
TC1029
0.1µF
V_DD /2
+
22.6k
–
Op Amp
V_OUT
22.6k
6800pF
750pF
V_IN
21.0k
2400pF
21.0k
21.0k
470pF
V_DD
+
Op Amp
–
FIGURE 4-2:
SECOND ORDER SAT BANDPASS FILTER
Gain = 0dB
Q = 30
1/2
Q = F_C
BW (3dB)
FC = 6kHz
.036µF
48.7k
V_IN
24.3k
.036µF
TC1029 _11.2
V_DD
–
+
V_DD/2
V_DD/2
V_OUT
© 2002 Microchip Technology Inc.
DS21340B-page 5