參數(shù)資料
型號(hào)： AN7198Z
廠(chǎng)商： PANASONIC CORP
元件分類(lèi)： 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(yè)數(shù)： 6/20頁(yè)
文件大?。?/td> 148K
代理商： AN7198Z
AN7198Z
ICs for Audio Common Use
6
Pin No.
Equivalent circuits
Description
DC voltage
13
Ch.2 output pin (
)
6.3 V
Ch.2 inverted-phase output pin
14
GND (output)
0 V
Grounding pin for ch.2 output
15
Ch.2 output pin (
+
)
6.3 V
Ch.2 positive-phase output pin
I
Terminal Equivalent Circuits (continued)
15 k
AN7198Z: 600
AN7199Z: 300
13
1
15
Pre-amp.
V
REF
=
6.3 V
Drive Circuit
Drive Circuit
15 k
AN7198Z: 600
AN7199Z: 300
14
1
15
Pre-amp.
V
REF
=
6.3 V
Drive Circuit
Drive Circuit
I
Usage Notes
1. Always attach an outside heat sink to use the chip. In addition, 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. There is a danger of destruction under
a special condition.
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 (pin10) 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 characteristics
such as distortion, etc. will be improved.
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