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參數(shù)資料
| 型號： | AN7191NZ |
| 廠商： | PANASONIC CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | Dual 20 W BTL audio power amplifier |
| 中文描述： | 24 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM15 |
| 封裝： | ZFM-15 |
| 文件頁數(shù)： | 6/16頁 |
| 文件大?。?/td> | 146K |
| 代理商： | AN7191NZ |
6
AN7191NZ
ICs for Audio Common Use
Pin No.
Equivalent circuit
Description
DC voltage
15
Ch.2 output pin (
+
) :
Ch.2 positive-phase output pin.
6.6 V
I
Terminal Equivalent Circuits (continued)
30 k
1.2 k
14
1
15
Pre-amp.
V
REF
=
6.6 V
Drive circuit
Drive circuit
I
Usage Notes
1. Always attach an outside heat sink when using the chip. Note that, the outside heat sink must be fastened onto a
chassis for use.
2. Connect the cooling fin to GND potential.
3. Avoid short circuit to V
CC
and short circuit to GND, and load short-circuit.
4. The temperature protection circuit will be actuated at T
j
=
approx. 150
°
C, but it is automatically reset when the chip
temperature drops below the above set level.
5. The overvoltage protection circuit starts its operation at V
CC
=
approx. 20 V.
6. Take into consideration the heat radiation design particularly when V
CC
is set high or when the load is 2
.
7. When the beep sound function is not used, open the beep sound input pin (pin 10) or connect it to pin 9 with around
0.01
μ
F capacitor.
8. Connect only pin 9 (ground, signal source) to the signal GND of the amplifier in the previous stage. The character-
istics such as distortion, etc. will improve.
I
Technical Information
P
D
T
a
curves of HZIP015-P-0745A
P
D
T
a
120
113.6
100
80
59.5
60
40.3
40
30.5
20.5
20
11.3
1.8
0
0
25
50
75
100
125
150
Ambient temperature T
a
(
°
C)
P
D
Infinit heat sink
1
°
C/W heat sink
2°
C/W heat sink
3°
C/W heat sink
5°
C/W heat sink
10°
C/W heat sink
Without heat sink
R
th (j
c)
=
1.1
°
C/W
P
th (j
a)
=
68.3
°
C/W
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