AN7134NR PANASONIC | Alldatasheet
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Dual 7.5W Audio Power Amplifier rs Unit : mm @ Description 219 The AN7134NR is a monolithic integrated circuit designed 2 23 ay for dual audio high power amplifiers suitable for radio —w aE cassette recorder with CD, 9V/SV regulator and LED driver, (+) Es interlocked with stand-by function, allow you to control all —, TH system power supply with the AN7134NR. — TF Fle] — TH | ls Asis) —— 14 a @ Features W) =x ri © Audio Output 7.5W x 2 ch. rie — ar @ Possible to use as power supply of pre- = ae H Li amp./tuner/microcomputer, etc. with 9V/5V regulator i —— a built-in (lo: = 300mA) aioe Tt | @ LED driver built-in — @ = With stand-by function 5a @ = Muting function built-in 23-Lead ZSIL Plastic Package with Fin @ Wide operating supply voltage: Vcc = 6V ~ 18V (23-ZSIP-FP) @ Block Diagram Ripple ov STB sv LED Filter | | Regulator | 1 ; f | Regulator | | Driver GND GND GND Vec Vec Reg.) (Power (Power (Reg.) (Power) Out) In) Sw Panasonic M@™ 6932852 0013783 944 me 164
@ Absolute Maximum Ratings (Ta=25°C) Tem [Sabet [Rng Supply Wage [ve | Power isin [eas Operating Supply Voltage Range: Vcc = 6.0V ~ 18.0V @ Electrical Characteristics (VCC=15V, RL=3Q, f=1kHz, Ta=25°C) Standby Curent [ise [ston SY tt [nn Power Amp. Section Voltage Gain Vin = 10mV [43 [ 4 | 47 | 4B Total Hamonie Dorion | THD [Ve=10mV————SS*d| | Oa [oe | Maximum Oupu | fo |[THD=H ST Ff ts] Channel Balance [ce [Vastomy Tt PT To Mating Effect [ MUT [Joue=2mA,Soucelmpedance= sk | 42 | 47 | | 4B 9V Power Supply Section 5V Power Supply Section LED Driver Section EE mm 6932852 0013784 630 a Panesonic 165
a @ Application Circuit AN7134NR POCOOOOOOOPOOPOPP OP OOOH % OFF e 100p 100 10002 100, Mute'o 100 1000p, Driver oy on LON) gy 9V Outo aal [f |g STB an al [[ | Ye : ° ron Zz 3a amal 2.2 =e Sv 6 orF] Jiav 0 Top CH2IN "| a CH.LIN CHA aE 3a fo) . SV Out @ Precautions on Use 1) Don't short output pin to power supply and GND at Vcc 2 18V 2) Don't short inter-pin @ Pin Descriptions 7 . oo Connect capacitor to raise audio —— =e 3 9V constant voltage output pin om | od | — 5 [oxoendoameay | *(|Npiratio oma . — ee Panasonic mM 6932852 0013785 717 a 166
@ Pin Descriptions (Continue) ome — 8 | Ch.2 Negative Feedback oF Ch. 2 negative feedback pin. 9 | Ch.2 Input Ch. 2 input signal applied pin. : ome — @—~K Circuit mode (stand-by <> Operation) : mo _ " 12 | GND (audio input side) fF GND pin for input signal source. — re ~— : — 15 | Ch.1 Input Ch. 1 input signal applied pin. 16 | Ch. 1 Negative Feedback OF | Ch. 1 negative feedback pin. —_—_ P MB 6932852 0013786 b53 ml ranasonic 167
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6 JUHA 2 Gees STMT TM Ti? & ST I 7 = LEAT TTT TT FH ee z | CH CT F cL TTT oouLIL PIN TT LT eee TT 0 4 8 12 16 20 24 oO 1 10 100 10 100 ik 10k 100k Supply Voltage Vcc (V) Input Voltage Vin (mV) Frequency f (Hz) Pp vs Ta, please refer to AN7177. SSS Panasonic M@™ 6932852 0013787 SIT a 168