參數(shù)資料
型號: MC34119
廠商: 飛思卡爾半導體(中國)有限公司
英文描述: LOW POWER AUDIO AMPLIFIER(低功耗音頻放大器)
中文描述: 低功耗音頻放大器(低功耗音頻放大器)
文件頁數(shù): 9/12頁
文件大?。?/td> 380K
代理商: MC34119
9
MOTOROLA ANALOG IC DEVICE DATA
Figure 22. Audio Amplifier with Bass Suppression
Figure 23. Frequency Response of Figure 22
Figure 24. Audio Amplifier with Bandpass
Figure 25. Frequency Response of Figure 24
75 k
A
A
+
+
#1
#2
Bias
Circuit
MC34119
6
VCC
4
3
2
5.1 k
0.1
Input
5.0
μ
F
50 k
125 k
50 k
4.0 k4.0 k
7
Gnd
5
8
1
Speaker
Disable
0.05 0.05
5.1 k
+
+
#1
#2
Bias
Circuit
MC34119
6
VCC
4
3
2
5.1 k
0.1
Input
5.0
μ
F
50 k
125 k
50 k
4.0 k4.0 k
7
Gnd
5
8
1
Speaker
Disable
0.05
0.05
5.1 k
1000 pF
100 k
100 k
1000 pF
36
32
24
16
8.0
0
36
32
24
16
8.0
0
f, FREQUENCY (Hz)
100
1.0 k
10 k
20 k
f, FREQUENCY (Hz)
100
1.0 k
10 k
20 k
+
+
#1
#2
Bias
Circuit
MC34119
6
VCC (+1.0 V to +8.0 V)
4
3
2
50 k
125 k
50 k
4.0 k4.0 k
7
VEE
(–1.0 V to –8.0 V)
5
8
CD
Speaker
Rf75 k
VO1
VO2
Audio Input
Ci
0.1
Ri
3.0 k
Vin
FC1
FC2
1
4700
VCC
VEE
10 k
20 k
20 k
Chip Disable
NOTE:
If VCC and VEE are not symmetrical about ground then FC1 must be
connected through a capacitor to ground as shown on the front page.
Figure 26. Split Supply Operation
F
Freescale Semiconductor, Inc.
Go to: www.freescale.com
n
.
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