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TDA7496LSTN/a19299avai2W+2W AMPLIFIER WITH DC VOLUME CONTROL
TDA7496L. |TDA7496LST ?N/a1023avai2W+2W AMPLIFIER WITH DC VOLUME CONTROL


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TDA7496L-TDA7496L.
2W+2W AMPLIFIER WITH DC VOLUME CONTROL
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TDA7496L
2W+2W AMPLIFIER WITH DC VOLUME CONTROL
2W+2W OUTPUT POWER
RL = 89 @THD = 10% Vcc = 14V
ST-BY AND MUTE FUNCTIONS
LOW TURN-ON TURN-OFF POP NOISE
LINEAR VOLUME CONTROL DC COUPLED
WITH POWER OP. AMP.
NO BOUCHEROT CELL
NO ST-BY RC INPUT NETWORK
SINGLE SUPPLY RANGING UP TO 15V
SHORT CIRCUIT PROTECTION
THERMAL OVERLOAD PROTECTION
INTERNALLY FIXED GAIN
SOFT CLIPPING
VARIABLE OUTPUT AFTER VOLUME CON-
TROL CIRCUIT
n POWERDIP (14+3+3) PACKAGE
DESCRIPTION
The TDA7496L is a stereo 2W+2W class AB
power amplifier assembled in the @ Powerdip
BLOCK DIAGRAM
Powerdip (14+3+3)
ORDERING NUMBER: TDA7496L
14+3+3 package, specially designed for high
quality sound, TV and Monitor applications.
Features of the TDA7496L include linear volume
control, Stand-by and mute functions.
VAROUT_R Vs
INR -lt-
7 15,16
GND I 1,2,3,13,
18,19,20 VOLUME
1000pF
SI ST-BY
OUTR Ill ,
o-o +5V
MUTEISTBY
PROTECTIONS
STBY /
10K I S_GND
VOLUME
INL :‘JT 30k Lt--
SVR 10
470nF I I
T VOLUME
VAROUT_L +5V
S2 MUTE
1000uF
D97A U596A
April 1998
TDA7496L
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
Vs DC Supply Voltage 26 V
VIN Maximum Input Voltage 8 Vpp
Ptot Total Power Dissipation (Tease = 60''C) 6 W
Tamb Ambient Operating Temperature 0 to 70 "C
Tstg, T, Storage and Junction Temperature -40 to 150 ''C
Ve Volume CTRL DC voltage 7 V
PIN CONNECTION Rth with "on boar " Square Heatsink vs. cop-
per area.
V Itha, D97AU675
GND C 1 20 Cl GND (CAN) COPPERAREA35p
GND E 2 19 Cl GND THICKNESS
GND E 3 18 Cl GND 60 in
INL I: 4 17 Cl OUTL
VAROUT_L E 5 16 Cl VS
VOLUME E 6 15 Cl Vs 50 PCBOARD
VAROUT_R E 7 14 Cl OUTR
N.C. E 8 13 Cl GND
INR E 9 12 Cl MUTE 40
SVR I: 10 11 Cl STBY
D97AU597A 30
0 4 8 12 Area(cm2)
THERMAL DATA
Symbol Parameter Value Unit
Rmrpins Thermal Resistance Junction-pins max. 15 °CNV
Rthramb (*) ThermalResistance Junction-ambient max. 50 ''C/W
(*) Mounted on PCB with no heatsink
ELECTRICAL CHARACTERISTICS (Refer to the test circuit Vs = 14V; RL = 89, R9 = 509, Tamb = 25°C).
Symbol Parameter Test Condition Min. Typ. Max. Unit
Vs Supply Voltage Range 10 18 V
" Total Quiescent Current 25 50 mA
DCVos Output DC Offset Referred to No Input Signal 200 mV
SVR Potenial
Vo Quiescent Output Voltage 7 V
Po Output Power THD = 10%; RL = 89; 1.6 2 W
THD=1%;RL=8§2; 1.3 W
THD Total Harmonic Distortion Gu = 30dB; Po = 1W; f= 1KHz; 0.4 %
lpeak Output Peak Current (internally limited) 0.7 0.9 A
Vin Input Signal 2.8 Vrms
Gv Closed Loop Gain Vol Ctrl > 4.5V 28.5 30 31.5 dB
GvLine Monitor Out Gain Vol Ctrl > 4.5V; Zload > 30KQ -1.5 0 1.5 dB
AMin VOL Attenuation at Minimum Volume Vol Ctrl < 0.5V 80 dB
BW 0.6 MHz
2/10 gr,
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