an7191nz Panasonic Corporation of North America, an7191nz Datasheet
an7191nz
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an7191nz Summary of contents
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... ICs for Audio Common Use AN7191NZ Dual 20 W BTL audio power amplifier Overview The AN7191NZ is an audio power IC developed for the sound output of car audio (dual 20 W incorpo- rating various protective circuits to protect the IC from destruction by GND-open short circuit to GND and power ...
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... AN7191NZ Block Diagram 3 Ch.1 GND 4 Ch.1 out ( ) Att. 2 Ch.1 out ( ) Att. Pin Descriptions Pin No. Description 1 Power supply 2 Ch.1 output ( ) 3 Grounding (output ch.1) 4 Ch.1 output ( ) 5 Standby 6 Ch.1 input 7 Muting 8 Grounding (sub) Absolute Maximum Ratings Parameter * 2 Supply voltage * 3 Peak supply voltage Supply current * 4 Power dissipation * 1 Operating ambient temperature * 1 Storage temperature Note except power dissipation, operating ambient temperature and storage temperature ...
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... L THD 4 MUTE V on/off, 50Hz HPF-on STB kHz 120 ms 120 ms AN7191NZ Unit Min Typ Max Unit 120 250 0.22 0.5 mV[rms 0.07 0 ...
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... AN7191NZ Terminal Equivalent Circuits Pin No. Equivalent circuit Drive circuit 2 Drive circuit Drive circuit 4 Drive circuit 200 400 ICs for Audio Common Use Power supply connection pin Ch.1 output pin ( ) : Pre-amp. Ch.1 positive-phase output pin. ...
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... Approx. Approx. Input impedance Ripple filter pin : CC Output current mA 200 Ch.2 output pin ( ) : Pre-amp. Ch.2 reverse-phase output pin. V 6.6 V REF 1.2 k GND (output) : Ground pin for ch.2 output. AN7191NZ Description DC voltage 2 13 ...
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... AN7191NZ Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit 15 1 Drive circuit 14 Drive circuit Usage Notes 1. Always attach an outside heat sink when using the chip. Note that, the outside heat sink must be fastened onto a chassis for use. 2. Connect the cooling fin to GND potential. ...
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... V 0.05 0 kHz 0.02 0.2 0.01 0.1 1 000 0.5 0.2 0.1 15 0. THD 10 0. 100k AN7191NZ 13 freq. 1 kHz Output voltage P ( THD ...
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... AN7191NZ Technical Information (continued) [1] Main characteristics (continued freq. 400 Hz HPF 30 kHz LPF Supply voltage V ( 2.0 1.5 1.0 Wide band 0.5 DIN audio 0 10 100 1k 10k Input impedance ...
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... 4 10k AN7191NZ 13 freq. 1 kHz R 4 DIN audio filter 10 100 1 000 Input voltage V (mV ch.2 ch.1 ch.2 ch 4.7 k ...
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... AN7191NZ Technical Information (continued) [1] Main characteristics (continued STB 200 150 100 Standby terminal voltage V STB 110 100 freq. 1 kHz DIN audio filter 100 1k Input voltage V (mV[rms ...
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... The use of polyester film capacitor having a little fluctuation with temperature and frequency is recom- mended as the 0.22 F capacitor for oscillation prevention. Terminal state Terminal voltage Open Low High Sub 1 To speaker 2,4 13,15 0.22 F 2.2 3,14 Figure 2 AN7191NZ Power 0 V Standby state 1.0 V Standby state Higher than 3 V Operating state Table 1 Protection Constant RF circuit current source 3.5 3.5 3.5 3.5 k ...
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... AN7191NZ Technical Information (continued) [2] Application note (continued) 3. Input terminal 1) The reference voltage of input terminal When the input signal has a reference voltage other than 0 V potential, connect a coupling capacitor (of about several F) for DC component cut in series with the input terminal. Check the low-pass frequency characteristics to determine the capacitance value. ...
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... Connection of the cooling fin with GND can reduce the incoming noise hum. (It is not necessary to connect with GND in use, but connect with the power GND when connect with GND Constant current source REF 3.5 k 3.5 k Figure Figure 5 AN7191NZ Protection circuit 14 To GND of input 13 ...
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... AN7191NZ Technical Information (continued) [2] Application note (continued) 7. Shock noise 1) STB on/off No shock noise is released. However, the changeover switch of the standby terminal may make a slight shock noise. In such a case, insert a capacitor of approx. 0.01 F between the standby terminal and GND. 2) Mute on/off No shock noise is released. Refer to the section on the mute function. ...
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... Mute In(RR In(FR In(RL In(FL S-GND 0.022 F In(FL REF Beep 10 input 0.022 REF 200 2 4.7 k 4.7 k 4.7 k Figure 8 AN7191NZ 1 1 Figure 7 Out(RR) 0.22 F 0.22 F 2.2 Out(FR) 0.22 F 0.22 F 2.2 Out(RL) 0.22 F 0.22 F 2.2 Out(FL) 0.22 F 0.22 F 2.2 15 ...
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... AN7191NZ Technical Information (continued) [2] Application note (continued) 11. Two IC use (continued) 1) Supply terminal Short-circuiting each other, insert an electrolytic capacitor of approx. 2 200 F into the supply terminals. However, if sufficient characteristics of the ripple rejection can not be obtained, use an even larger capacitor or insert a 2 200 F capacitor into each IC. ...