TDA7394 ,2x30W dual bridge car radio amplifier£7
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TDA7394
2 x 30W DUAL B ..
TDA7396 ,45W/2OHM BRIDGE CAR RADIO AMPLIFIER WITH DIAGNOSTIC FACILITYFUNCTIONAL DESCRIPTIONPin Function DescriptionThe input stage is a high impedance differential type ..
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TDA7400DTR ,ADVANCED CAR SIGNAL PROCESSORABSOLUTE MAXIMUM RATINGSSymbol Parameter Value UnitVS Operating Supply Voltage 10.5 VTamb Operating ..
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TDA7394
2x30W dual bridge car radio amplifier
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2 x 30W DUAL BRIDGE CAR RADIO AMPLIFIER
u HIGH OUTPUT POWER CAPABILITY:
2 x 30W max./4Q tit 13.2V, IKHz
2 x 22W typ./4,Q tt 14AV, 1KHz, 10%
2 x19w typ./4Q (i) 13.2V, 1KHz, 10%
2 x 28W typ.12n iii) 14.4V. 1KHz, 10%
2 x 25W typ./2Q iii) 13.2V, 1KHz, 10%
" LOW DISTORTION
a LOW OUTPUT NOISE MULTIWATI'15
u ST-BY FUNCTION
n MUTE FUNCTION ORDERING NUMBER:TDA7394
n AUTO-MUTE AT MIN. SUPPLY VOLTAGE
DETECTION
" LOW EXTERNAL COMPONENT COUNT n FORTUITOUS OPEN GND
y,fJfltltbli21xgi'flttlJCiQ "REVERSEBATTERY
- NO BOOTSTRAP CAPACITORS " ESD PROTECTION
1: ADDITIONAL MONO INPUT DESCRIPTION .
PROTECTIONS: The TDA7394 IS a new technology class AB
Audio Power Amplifier in Multiwatt15 package de-
" OUTPUT AC/DC SHORT CIRCUIT TO GND signed for high end carradio applications. Thanks
AND TO VS to the full
y complementary PNP/NPN output con-
n VERY INDUCTNE LOADS figuration the high power performances of the
" OVERRATING CHIP TEMPERATURE WITH TDA7394 are obtained without bootstrap capaci-
SOFT THERMAL LIMITER tors. The extremely reduced components count
I: LOAD DUMP VOLTAGE allows very compact sets.
BLOCK DIAGRAM
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April 1995 1/7
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TDA7394
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
Vcc Operating Supply Voltage 18 V
Vcc IDC) DC Supply Voltage 28 V
Vcc (pk) Peak Supply Voltage (t = 50ms) 50 V
lo Output Peak Current:
Repetitive (Duty Cycle 10% at f = 10Hz) 4.5 A
Non Repetitive (t = loops) 5.5 A
Ptot Powerdissipation, Tcase = 75°C (see derating curve) 50 W
T, Junction Temperature 150 °C
Top Operating Ambient Temperature - 40 to 85 "C
Tstg Storage Temperature - 55 to 150 ''C
PIN CONNECTION (Top view)
1 5 ou T 2 E , y
14 0U T 2 E - l
13 us: 2
12 STBY
1 1 s u R
19 I N 2
f) IN MUTE
8 [3 N D
7 IN MONO
5 I N 1
5 MUTEZ
4 nu T E 1
3 UCCl
2 C)UT1f-)
1 DUT1I+)
17.92 709.7393 - 92
THERMAL DATA
Symbol Parameter Value Unit
Rm rm Thermal Resistance Junction to Case Max. 1.5 'CIW
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