an7198z Panasonic Corporation of North America, an7198z Datasheet
an7198z
Related parts for an7198z
an7198z Summary of contents
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... ICs for Audio Common Use AN7198Z Dual 20 W BTL Power IC for Car Audio Overview The AN7198Z is an audio power IC developed for the sound output of car audio (Dual 20 W). A capacitor and a resistor between the output pin and GND to stop oscillation are built-in so that a space saving of set is possible ...
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... AN7198Z Block Diagram 3 ch.1 GND 4 ch.1 Out ( ) Att 2 ch.1 Out ( ) Att Pin Description 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 (board) 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 operating ambient temperature and storage temperature ...
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... THD MUTE V on/off HPF-on STB kHz 500 ms 500 ms AN7198Z Unit V Min Typ Max Unit 150 250 0.18 0.5 mV[rms 0.05 0 ...
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... Drive Circuit 2 Drive Circuit AN7198Z: 600 AN7199Z: 300 Drive Circuit 4 Drive Circuit AN7198Z: 600 AN7199Z: 300 200 600 Description Supply voltage connection pin Power supply connection pin Ch.1 output pin ( ) Pre-amp. Ch.1 positive-phase output pin V 6 ...
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... 6 REF 7 6 REF R AN7198Z: 600 nf AN7199Z: 300 11 11 200 600 1 Mute control pin Mute changeover pin Threshold voltage approx. 2.1 V GND (substrate) Substrate GND (input) Grounding pin for input Beep sound input pin ...
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... Drive Circuit 14 Drive Circuit AN7198Z: 600 AN7199Z: 300 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 and short circuit to GND, and load short-circuit. There is a danger of destruction under CC a special condition ...
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... C/W heat sink 2 C/W heat sink 3 C/W heat sink 5 C/W heat sink 10 C/W heat sink Without heat sink 100 125 Ambient temperature AN7198Z 150 ...
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... AN7198Z Technical Information (continued) 2. Main Characteristics (continued THD 100.00 10.00 THD 10 kHz THD 100 kHz f 1 kHz 1.00 R 400 Hz HPF 30 kHz LPF Both channel input R 0. 100 Input voltage V (mV[rms ( ...
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... V 13 kHz V[rms 000 0 (Hz) r AN7198Z 13 Flat DIN Audio Filter 100 1 000 10 000 100 000 Input impedance channel 1 channel 2 V 13.2 V ...
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... AN7198Z Technical Information (continued) 2. Main Characteristics (continued channel kHz 400 Hz HPF 10 30 kHz LPF 100 Input voltage V (mV[rms 110 100 Supply voltage V ( ...
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... R 4 200 250 Terminal state Terminal voltage Open Low High Higher than STB 0 V Sub AN7198Z V V offset CC channel 1 channel Supply voltage V (V) CC Power 0 V Standby state 1.0 V ...
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... AN7198Z Technical Information (continued) 3. Application note (continued) 2) Output line noise countermeasures (1) In order to increase the oscillation allowance unnecessary to use a capacitor and a resistor between each output terminal and GND. However, when inserting the capacitor for counter- measures against output line noise between the output terminal and GND, insert a resistor of approx ...
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... Pin 9 is input signal GND. Connect only pin 9 with GND of the input. resistor Constant current source 350 A 1 REF 4 k Figure 5 AN7198Z/99Z 1 3 AN7198Z 1000 60 100 1.0 10 100 RF capacitor value ( F) Figure 4 Protection circuit GND of input Figure 6 ...
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... AN7198Z Technical Information (continued) 3. Application note (continued) 6) Cooling fin (1) The cooling fin is not connected with GND terminal by using Au wire. Only pin 8 is electrically connected through the substrate. (2) Always attach an outside heat sink to the cooling fin. The cooling fin must be fastened onto a chassis for use. ...
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... When the attack time and recovery time are set less, pay attention to the IC with larger output offset because it may release the shock noise. 9) Voltage gain The voltage gain is fixed for the AN7198Z, and 40 dB for the AN7199Z not possible to change those values by the addition of an external resistance. 10) Beep sound input function (1) The application circuit example when using the beep sound input is shown in Figure 8 ...
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... AN7198Z Technical Information (continued) 3. Application note (continued) 11) Two IC use Figure 9 shows the application circuit example when two ICs are used: Power supply 2200 F Standby 10 k Mute 2 (RR) In (FR) In (RL) In (FL) S-GND 0.022 F Beep ICs for Audio Common Use ...
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... Precautions on misuse (1) Erroneous connection in the case of short circuit to V The AN7198Z/99Z have the breakdown voltage more when short circuit to V circuit occur. However, there is a possibility of destruction, then smoke emission and ignition under a special condition. Avoid misuse and erroneous connection of the circuit. ...
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... Application note (continued) 12) Precautions on misuse (continued) (1) Destruction mode for the AN7198Z/99Z The AN7198Z/99Z are the power ICs with high breakdown withstanding voltage but it has been found that the destruction occurs under special conditions. GND-open short-circuit to ground. Short-circuit the output terminal to the GND terminal of power supply when GND terminal of the IC is open short-circuiting is made to GND when the GND terminal of the IC is over 0 ...
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... ICs for Audio Common Use Technical Information (continued) 4. Countermeasure for shock noise of the AN7198Z (continued) 2) Standby pin to off (pin 5 V STB (1) Ripple filter pin (pin 12) becomes off gradually (Discharge down when V Current source and reference voltage are on until V (2) Output D range suppression circuit operates when the ripple filter pin voltage is less than 6.8 V. ...
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... AN7198Z Technical Information (continued) 4. Countermeasure for shock noise of the AN7198Z (continued) 3) Muting on/off (Pin7 low: Muting state, high: Operating state) (continued) (2) Attack and recovery time of muting on/off is determined by the external CR time constant of pin 7. (3) There is afraid of shock noise when time constant is set less. ...