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Panasonic Semiconductor
Panasonic Semiconductor

AN7164 Datasheet

30 W BTL audio power amplifier


AN7164 Datasheet Preview


ICs for Audio Common Use
AN7164
30 W BTL audio power amplifier
s Overview
The AN7164 is an integrated circuit designed for 30
W (VCC = 21 V, 8 ) output power amplifier. High power
output (BTL 30 W), low distortion and low noise are re-
alized. High reliability is obtained due to various kinds
of protectors built in. Furthermore, on-off of output is
possible from standby terminal.
s Features
High power output
Low distortion, Low noise
Low shock noise when power supply is turned-on, off
Built-in standby function
Built-in protection circuits
(Temperature, Overcurrent, Load short circuit, Output -
GND short circuit)
s Applications
Stereo, Karaoke, TV
s Block Diagram
7.7±0.3
φ3.6
R1.8
Unit : mm
(12.5)
(1.2)
19.1±0.3
21.9±0.3
HSIP012-P-0000A
6
Input circuit
Driver circuit
SEPP
output circuit
10
1
Ripple filter
Protection circuits for Temp. Overcurrent,
Load short, Output-GND short
5
Input circuit
Driver circuit
SEPP
output circuit
7
1
Page 1

AN7164
s Pin Descriptions
Pin No.
Description
1 Ripple filter
2 Negative feedback (ch.2)
3 GND (Input side)
4 Negative feedback (ch.1)
5 Input
6 Standby
ICs for Audio Common Use
Pin No.
7
8
9
10
11
12
Description
Output (ch.1)
Bootstrap (ch.1)
GND (output side)
Output (ch.2)
Bootstrap (ch.2)
Supply voltage (VCC)
s Absolute Maximum Ratings
Parameter
Symbol
Rating
Supply voltage *2
VCC
30
Supply current
Power dissipation *3
Operating ambient temperature *1
Storage temperature *1
ICC
PD
Topr
Tstg
5.0
62.5
30 to +75
55 to +150
Note) *1 : Ta = 25°C except power dessipation, operating ambient temperature and storage temperature.
*2 : Without signal
*3 : θj-c = 2.0 (°C/W)
s Recommended Operating Range
Parameter
Symbol
Supply voltage
VCC
Range
8.3 to 24
Unit
V
A
W
°C
°C
Unit
V
s Electrical Characteristics at VCC = 21 V, RL = 8 , f = 1 kHz, BTL operation, Ta = 25°C
Parameter
Symbol
Conditions
Min Typ Max
Quiescent current
Output noise voltage *1
Output offset voltage
Total harmonic distortion
Voltage gain
Maximum output power
Ripple rejection ratio *1, 2
Standby current
ICQ VIN = 0 V
VNO Rg = 10 k
VOFF SET VIN = 0 V
THD PO = 1 W
GV PO = 1 W
PO THD = 10%
R.R. Rg = 0 , power supply ripple
ISTB Pin 6 open
55 100
0.85 1.3
0 300
0.07 0.3
49.5 51.5 53.5
24 30
45 51
 3
Note) *1 : Measurement through the DIN audio filter.
*2 : Power supply ripple ······ 120 Hz Sine wave, 1V[rms]
Unit
mA
mV
mV
%
dB
W
dB
µA
2
Page 2

ICs for Audio Common Use
AN7164
s Usage Notes
Standby-on (i.e. an application of 5 V to pin 6) under a high temperature may cause no-output due to the malfunction
of rapid discharging circuit of the ripple filter. To avoid this, it is necessary to forcibly flow a current of 1 mA into pin 1
at standby-on.
s Technical Information
PD Ta curves of HSIP012-P-0000A
65
62.5
Infinite heat sink
60
55
PD Ta
Rth (jc) = 2°C/W
Rth (ja) = 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 5°C/W heat sink
17.9
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)
s Application Circuit Example
2 k
100 µF
VCC = 21 V
1 000 µF
0.047 µF
220
2
100 µF
4
1 µF
VIN
5
3
11
10 100 µF
2.2
0.1 µF
7
8
100 µF 2.2
8 0.1 µF
0V 5V
3
Page 3
Part Number AN7164
Manufactur Panasonic Semiconductor
Description 30 W BTL audio power amplifier
Total Page 3 Pages
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