an7551z Panasonic Corporation of North America, an7551z Datasheet
![no-image](/images/no-image-200.jpg)
an7551z
Related parts for an7551z
an7551z Summary of contents
Page 1
... ICs for Audio Common Use AN7551Z Power IC for BTL car audio Overview The AN7551Z 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
... AN7551Z 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 AN7551Z Unit Unit Min Typ Max Unit 300 450 0.15 0 0.05 0.2 % 16.0 19 ...
Page 4
... AN7551Z 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 AN7551Z DC Voltage ...
Page 6
... AN7551Z 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 AN7551Z Voltage 6 6.3 V 13.2 V 6 ...
Page 8
... AN7551Z 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 AN7551Z Voltage 6 6 ...
Page 10
... AN7551Z 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 1 113 th(j a) With an infinitely heat-sink heat-sink 59 heat-sink 40 heat-sink 20.5 Package without heat-sink 4. 100 125 (˚ Ambient temperature T a AN7551Z 150 11 ...