an7561z Panasonic Corporation of North America, an7561z Datasheet

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an7561z

Manufacturer Part Number
an7561z
Description
Btl Output Power Ic For Car Audio
Manufacturer
Panasonic Corporation of North America
Datasheet
ICs for Audio Common Use
AN7561Z
BTL output power IC for car audio
The AN7561Z is an audio power IC developed as a car
audio output (35 W 4-ch). CR to stop oscillation is built
in between the output pin and GND so that a space sav-
ing of set is possible. Also, it is incorporating a perfect
muting circuit which does not make a shock noise so that
a shock noise design in the set transitional state can be
made easily when used together with its standby func-
tion. In addition, it is incorporating various protective
circuits to protect the IC from destruction by GND-open
earth short-circuiting and power supply surge which are
the important subject of power IC, and the IC will largely
contribute to a high reliability design of equipment.
Pin arrangement which does not allow the input/output
patterns to intersect each other so that it is possible to
make a pattern design on a one-sided printed circuit
board.
Incorporating various protection circuits (thermal pro-
tection, short-circuit to V
opened, short-circuit to GND, short-circuit to GND in
GND-opened, over voltage, power supply surge, and
ASO protection, etc.)
Incorporating standby function (shock noise-free at STB-
on/off)
Incorporating standby function (shock noise-free at
Mute-on/off)
External components reduction
Provided with beep sound input pin
Equipped with auxiliary sound input pin
Inverted pin layout of AN7560Z on right and left pins
Car stereo, miniature audio component, karaoke and
other audio equipment.
Overview
Features
Applications
CC
, short-circuit to V
CC
in V
CC
-
R1.8±0.1
(1.26)
1
(10.50)
33.36±0.30
31.0±0.3
27.0±0.3
33.0±0.3
21.0±0.1
1.27
HZIP025-P-0980
(10.50)
0.6
+0.2
–0.1
25
3.6±0.1
(5.08)
Seating plane
4.5±0.2
0.40
Unit: mm
(4.29)
1.5±0.1
+0.15
–0.05
1

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an7561z Summary of contents

Page 1

... ICs for Audio Common Use AN7561Z BTL output power IC for car audio Overview The AN7561Z is an audio power IC developed as a car audio output (35 W 4-ch stop oscillation is built in between the output pin and GND so that a space sav- ing of set is possible. Also incorporating a perfect ...

Page 2

... AN7561Z Block Diagram GND (Output GND (Output) 19 Attenuator Pin Descriptions Pin No. Description 1 Ripple filter 2 Mute 3 ch.3 input 4 GND (Sub) 5 ch.4 input 6 GND (Input) 7 ch.2 input 8 Beep input 9 ch.1 input 10 Standby 11 ch.1 output 12 GND (ch.1 output) 13 ch.1 output Note) The output pin requires no capacitor and resistor for oscillation prevention. ...

Page 3

... R 4 OFF mV 0 On/Off MUTE STB 50 Hz HPF 500 ms 500 ms AN7561Z Unit Unit Min Typ Max Unit 300 450 0.15 0.5 mV[rms 0.05 0.2 % 16.0 19.5 ...

Page 4

... AN7561Z Electrical Characteristics at V Parameter Total harmonic distortion 2 Mute-on threshold voltage Mute-off threshold voltage Cutoff frequency Design reference data kHz, measuring bandwidth kHz (12 dB/OCT) filter CC is used Note) The characteristic values below are theoretical values for designing and not guaranteed. ...

Page 5

... Input impedance 30 k abt. abt GND (circuit board): Circuit board ch.4 input pin: ch.4 input signal application pin Input impedance 30 k abt. abt AN7561Z DC Voltage ...

Page 6

... AN7561Z Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit 200 600 6.3 V REF 600 Beep input 8 600 600 V 6.3 V REF 600 9 9 200 600 ICs for Audio Common Use Description GND (input): Grounding pin for input ch ...

Page 7

... Grounding pin for ch.1 output ch.1 output pin ( ): ch.1 positive phase output pin Pre-amp. V 6.3 V REF 600 Power supply voltage pin: Power supply connection pin ch.2 output pin ( ): ch.2 negative phase output pin Pre-amp. 600 AUX input pin: Input impedance 10 AN7561Z Voltage 6 6.3 V 13.2 V 6 ...

Page 8

... AN7561Z Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit 17 14 Drive circuit 17 Drive circuit Drive circuit 19 Drive circuit Drive circuit 21 Drive circuit ICs for Audio Common Use Description ch.2 output pin ( ): ch.2 positive phase output pin Pre-amp ...

Page 9

... Drive circuit 23 Drive circuit Drive circuit 25 Drive circuit Description ch.4 output pin ( ): ch.4 negative phase output pin Pre-amp. 600 GND (output): Grounding pin for ch.4 output ch.4 output pin ( ): ch.4 positive phase output pin Pre-amp. V 6.3 V REF 600 AN7561Z Voltage 6 6 ...

Page 10

... AN7561Z Application Circuit Example Usage notes 1. Be sure to use the circuit with an external heat-sink and fix the external heat-sink on chassis when using it. 2. Connect the heat radiating fin to GND potential. 3. This IC has built-in protection circuit against short-circuit to V short-circuit short-circuit to GND and short-circuit of load ...

Page 11

... ICs for Audio Common Use Technical Information HZP025-P-0980 package power dissipation 120 100 113.6 R 1.1 C/W th(j-c) With an infinitely R 31.1 C/W th(j-a) heat-sink 1 C/W heat-sink 59.5 2 C/W heat-sink 40.3 5 C/W heat-sink 20.5 Package without heat-sink 4. 100 125 (˚ Ambient temperature T a AN7561Z 150 11 ...

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