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參數(shù)資料
| 型號： | AN7198Z |
| 廠商： | PANASONIC CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | Dual 20 W BTL Power IC for Car Audio |
| 中文描述： | 28 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM15 |
| 封裝： | ZFM-15 |
| 文件頁數(shù)： | 11/20頁 |
| 文件大?。?/td> | 148K |
| 代理商： | AN7198Z |
ICs for Audio Common Use
AN7198Z
11
I
Technical Information (continued)
2. Main Characteristics (continued)
I
CQ
V
STB
200
V
offset
V
CC
0
20
40
60
80
100
120
140
160
180
0
1
2
3
4
5
Standby voltage V
STB
(V)
Q
C
V
CC
=
13.2 V
R
L
=
4
R
g
=
10 k
250
200
150
100
50
0
50
100
150
200
250
0
5
10
15
20
Supply voltage V
CC
(V)
O
o
R
L
=
4
R
g
=
10 k
channel 1
channel 1 mute on
channel 2 mute on
channel 2
3. Application note
1) Standby function
(1) The power can be turned on or off
by making pin 5 (standby terminal)
high or low.
(2) The standby terminal has threshold
voltage of approx. 2.1 V, however, it
has temperature dependency of approx.
6 mV/
°
C. The recommended range
of use is shown in Table 1.
Table 1
(3) The internal circuit of standby termial
is as shown in Figure 1. When the
standby terminal is high, the
current approximately expressed
by the following equation will
flow into the circuit.
I
STB
=
V
STB
2.7 V
10 k
[mA]
Figure 1
(4) A power supply with no ripple component should be used for the control voltage of standby terminal.
2 k
4 k
10 k
5 V
0 V
5
RF
Protection
circuit
Sub
Constant
current
source
V
STB
Terminal state
Terminal voltage
Power
Open
0 V
Standby state
Low
0 V to 1.0 V
Standby state
High
Higher than 3 V
Operating state
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