TDA7393HS ,2 X 32W DUAL BRIDGE CAR RADIO AMPLIFIERELECTRICAL CHARACTERISTICS (V = 13.2V; f = 1KHz; R = 600Ω;R =4Ω;T =25°C;S g L ambRefer to the appli ..
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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TDA7393HS
2 X 32W DUAL BRIDGE CAR RADIO AMPLIFIER
TDA7393x 32W DUAL BRIDGE CAR RADIO AMPLIFIER
HIGH OUTPUT POWER CAPABILITY:x 35W max./4Ωx 32W EIAJ/4Ωx 22W typ./4Ω@ 14.4V, 1KHz, 10%x 19W typ./4Ω@ 13.2V, 1KHz, 10%x 28W typ./2Ω@ 14.4V, 1KHz, 10%x 25W typ./2Ω@ 13.2V, 1KHz, 10%
LOW DISTORTION
LOW OUTPUT NOISE
ST-BY FUNCTION
MUTE FUNCTION
AUTO-MUTE AT MIN. SUPPLY VOLTAGE
DETECTION
LOW EXTERNAL COMPONENT COUNT INTERNALLY FIXED GAIN (32dB) NO EXTERNAL COMPENSATION NO BOOTSTRAP CAPACITORS
ADDITIONAL MONO INPUT
PROTECTIONS:OUTPUT AC/DC SHORT CIRCUIT TO GND
AND TOVS
VERY INDUCTIVE LOADS
OVERRATING CHIP TEMPERATURE WITH
SOFT THERMAL LIMITER
LOAD DUMP VOLTAGE
FORTUITOUS OPEN GND
REVERSE BATTERY
ESD PROTECTION
DESCRIPTIONThe TDA7393isa new technology class AB
Audio Power Amplifierin Multiwatt15 package de-
signedfor high end car radio applications. Thanks the fully complementary PNP/NPN output con-
figuration the high power performancesof the
TDA7393 are obtained without bootstrap capaci-
tors. The extremely reduced components count
October 1998
MULTIWATT15
ORDERING NUMBER: TDA7393
BLOCK DIAGRAM1/9
allows very compact sets.
PIN CONNECTION (Top view)
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value UnitVCC Operating Supply Voltage 18 V
VCC(DC) DC Supply Voltage 28 V
VCC(pk) Peak Supply Voltage(t= 50ms) 50 V Output Peak Current:
Repetitive (Duty Cycle 10%atf= 10Hz)
Non Repetitive(t= 100μs)
Ptot Power dissipation, Tcase= 75°C (see derating curve) 50 W Junction Temperature 150 °C
Top Operating Ambient Temperature –40to85 °C
Tstg Storage Temperature –55 to150 °C
THERMAL DATA
Symbol Parameter Value UnitRth j-case Thermal Resistance Junctionto Case Max. 1.5 °C/W
TDA73932/9
ELECTRICAL CHARACTERISTICS (VS= 13.2V;f= 1KHz;Rg= 600Ω;RL =4Ω;Tamb =25°C;
Referto the application circuit, unless otherwise specified.)
Symbol Parameter Test Condition Min. Typ. Max. UnitIq1 Quiescent Current 90 180 mA
VOS Output Offset Voltage 150 mV Voltage Gain 30.5 32 33.5 dB Output Power THD= 10%;VS= 14.4V
THD= 10%
THD= 1%
THD= 10%;RL =2Ω
THD= 10%;VS= 14.4V; =2Ωmax Max. Output Power EIAJ RULES;VS= 13.7V 30 W
THD Distortion Po=0.1to 8W 0.08 0.3 %
eNo Output Noise Bw= 20Hzto 20KHz 0.3 mVrms
SVR Supply Voltage Rejection f= 100Hz (stereo) 60 dB Low Cut-Off Frequency 10 Hz High Cut-Off Frequency 300 KHz Input Impedance 10 15 20 KΩ Cross Talk f= 1KHz 50 65 dB
ISB St-By Current Consumption 100 μA
VSBout St-By OUT Threshold Voltage Amp. ON 3.5 V
VSBIN St-ByIN Threshold Voltage Amp. OFF 1.5 V
VSB Supply Dependent St-By
Threshold
St-By=H, reducing/increasing
7.5 8.3 V Mute Attenuation VO= 1Vrms 75 dBout Mute OUT Threshold Voltage Amp. Play 3.5 V
VMin MuteIN Threshold Voltage Amp. Mute 1.5 V Supply Dependent Mute
Threshold
Mute=IN, reducing/increasing
8.5 9.3 V(L) Muting Pin Current VMUTE= 1.5V
(Sourced Current)
610 14 μA(H) Muting Pin Current VMUTE= 3.5V
(Sourced Current)
610 14 μA
Figure1: Quiescent Current vs. Supply Voltage
Figure2: Output Power vs. Supply Voltage =4Ω RL =4Ω= 1KHz
TDA73933/9
Figure5: Cross-Talk vs. Frequency
Figure6: SVR vs. Frequency
Figure7: Distortion vs. Frequency
Figure8: Distortion vs. Frequency
Figure3: OutputPowervs Supply Voltage
Figure4: EIAJ Powervs. Supply Voltage =2Ω 1KHz 1KHz= 2.5Vrms= 13.2V =4Ω =1Vrms= 13.2V =4Ω= 1Vrms= 600Ω
Mute1,2= OFF= 13.2V =2Ω= 13.2V =4Ω
Both channels
TDA73934/9
Figure9: Block Diagramof Mute Circuit
Figure 10: ExplanatoryWaveformsOf Mute Circuit
TDA73935/9
Figure 11: Application Circuit
Figure 12: P.C.Board and Component Layoutof the fig.11 (1:1 scale)
TDA73936/9
