AN7196 データシートの表示（PDF） - Panasonic Corporation
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AN7196 Datasheet PDF : 5 Pages
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AN7196K
ICs for Audio Common Use
s 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 VCC and short-circuit to GND, and load short-circuit.
4. The temperature protection circuit will be actuated at Tj = 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 VCC = approx. 20 V.
6. Take into consideration the heat radiation design particularly when VCC is set high or when the load is 2 Ω.
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 µF 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.
s Technical Information
• PD Ta curves of HZIP016-P-0665A
65
62.5 Infinity heat sink
60
55
PD Ta
Rth (j−c) = 2°C/W
Rth (j−a) = 42°C/W
50
45
41.7 1°C/W heat sink
40
35
31.3 2°C/W heat sink
30
3°C/W heat sink
25
20
17.9
5°C/W heat sink
15
10.4 10°C/W heat sink
10
5 Without heat sink
3.0
0
0
25
50
75
100
125
150
Ambient temperature Ta (°C)
4
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