AN7195K
s
Terminal Equivalent Circuits (continued)
Pin No.
13
1
Drive circuit
ICs for Audio Common Use
Equivalent circuit
Pre-amp.
Description
Ch.2 output pin (−)
Ch.2 inverted-phase output pin
DC Voltage
6.6 V
13
Drive circuit
V
REF
=
6.6 V
300
Ω
15
15 kΩ
14
GND(output)
Grounding pin for ch.2 output
0V
15
1
Drive circuit
Ch.2 Output pin (+)
Pre-amp.
Ch.2 positive-phase output pin
6.6 V
14
Drive circuit
V
REF
=
6.6 V
300
Ω
15
15 kΩ
16
N.C.
Non-connection
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 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
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.
6
PANASONIC [ PANASONIC SEMICONDUCTOR ]
