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Partno	Mfg	Dc	Qty	Available	Descript
TDA7384		N/a	4	avai	4 x 35W QUAD BRIDGE CAR RADIO AMPLIFIER

TDA7384 ,4 x 35W QUAD BRIDGE CAR RADIO AMPLIFIERTDA7384A 4 x 35W QUAD BRIDGE CAR RADIO AMPLIFIERHIGH OUTPUT POWER CAPABILITY:4 x 40W/4Ω MAX.4 x 35 ..
TDA7384A ,4 x 35W QUAD BRIDGE CAR RADIO AMPLIFIERTDA7384A®4 x 35W QUAD BRIDGE CAR RADIO AMPLIFIERHIGH OUTPUT POWER CAPABILITY:4 x 40W/4Ω MAX.4 x 35W ..
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TDA7384
4 x 35W QUAD BRIDGE CAR RADIO AMPLIFIER
TDA7384Ax 35W QUAD BRIDGE CAR RADIO AMPLIFIER
HIGH OUTPUT POWER CAPABILITY:x 40W/4Ω MAX.x 35W/4Ω EIAJx 25W/4Ω@ 14.4V, 1KHz, 10%x 22W/4Ω@ 13.2V, 1KHz, 10%
LOW DISTORTION
LOW OUTPUT NOISE
ST-BY FUNCTION
MUTE FUNCTION
AUTOMUTE AT MIN. SUPPLY VOLTAGE DE-
TECTION
LOW EXTERNAL COMPONENT COUNT: INTERNALLY FIXED GAIN (26dB) NO EXTERNAL COMPENSATION NO BOOTSTRAP CAPACITORS
PROTECTIONS:
OUTPUT SHORT CIRCUIT TO GND, TO VS,
ACROSS THE LOAD
VERY INDUCTIVE LOADS
OVERRATING CHIP TEMPERATURE WITH
SOFT THERMAL LIMITER
LOAD DUMP VOLTAGE
FORTUITOUS OPEN GND
REVERSEDBATTERY
ESD
DESCRIPTION
The TDA7384Aisa new technology class AB
Audio Power Amplifierin Flexiwatt 25 package
designedfor high end car radio applications.
Thanksto the fully complementary PNP/NPN out-
put configuration the TDA7384A allowsa railto
rail output voltage swing withno needof boot-
strap capacitors. The extremely reduced compo-
nents count allows very compact sets.
October 1999
ORDERING NUMBER: TDA7384A
IN1
0.1μF
MUTE
ST-BY
IN2
0.1μF
OUT1+
OUT1-
OUT2+
OUT2-
PW-GND
IN3
0.1μF
IN4
0.1μF
OUT3+
OUT3-
OUT4+
OUT4-
PW-GND
PW-GND
PW-GND
D99AU1018
AC-GND
0.47μF47μF
SVR TAB S-GND
Vcc1 Vcc2
100nF470μF
N.C.
BLOCK AND APPLICATION DIAGRAM
FLEXIWATT25
1/9
D94AU159A
TAB
P-GND2
OUT2-ST-BY
OUT2+
OUT1-
P-GND1
OUT1+
SVR
IN1IN2
S-GND
IN4IN3
AC-GND
OUT3+
P-GND3
OUT3-
OUT4+
MUTE
OUT4-
P-GND4
HSD 25
PIN CONNECTION (Top view)
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
VCC 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 =70°C) 80 W Junction Temperature 150 °C
Tstg Storage Temperature –55 to150 °C
THERMAL DATA
Symbol Parameter Value Unit
Rth j-case Thermal Resistance Junctionto Case Max. 1 °C/W
TDA7384A
2/9
ELECTRICAL CHARACTERISTICS (VS= 14.4V;f= 1KHz;Rg= 600Ω;RL =4Ω;Tamb =25°C;
Referto the test and application diagram, unless otherwise specified.)
Symbol Parameter Test Condition Min. Typ. Max. Unit
Iq1 Quiescent Current RL=∞ 120 190 350 mA
VOS Output Offset Voltage Play Mode ±80 mV
dVOS During mute ON/OFF output
offset voltage
±80 mV Voltage Gain 25 26 27 dB
dGv Channel Gain Unbalance ±1dB Output Power VS= 13.2V; THD= 10%= 13.2V; THD= 0.8%= 14,4V; THD= 10% EIAJ EIAJ Output Power(*) VS= 13.7V 32 35 W max. Output Power(*) VS= 14.4V 38 40 W
THD Distortion Po= 4W 0.04 0.15 %
eNo Output Noise ”A Weighted”= 20Hzto 20KHz
SVR Supply Voltage Rejection f= 100Hz;Vr= 1Vrms 50 65 dB
fch High Cut-Off Frequency PO= 0.5W 100 200 KHz Input Impedance 70 100 KΩ Cross Talk f= 1KHz PO =4W= 10KHz PO =4W
ISB St-By Current Consumption VSt-By= 1.5V 100 μA
Ipin4 St-bypin Current VSt-By= 1.5Vto 3.5V ±10 μA
VSBout St-By Out Threshold Voltage (Amp: ON) 3.5 V
VSBin St-Byin Threshold Voltage (Amp: OFF) 1.5 V Mute Attenuation POref =4W 80 90 dBout Mute Out Threshold Voltage (Amp: Play) 3.5 V
VMin MuteIn Threshold Voltage (Amp: Mute) 1.5 V
VAMin VS Automute Threshold (Amp: Mute)
Att≥ 80dB; POref =4W
(Amp: Play)
Att< 0.1dB;PO= 0.5W 7.6
Ipin22 Muting Pin Current VMUTE= 1.5V
(Sourced Current)
511 20 μA
(*) Saturated squarewave output.
TDA7384A
3/9
IN1
0.1μF
C9
1μF
IN2 0.1μF
OUT1
OUT2
IN3 0.1μF
IN4 0.1μF
OUT3
OUT4
D95AU335BC5
0.47μF
C6
47μF
SVR TAB
Vcc1-2 Vcc3-4
C8
0.1μF
C7
2200μF
C10
1μF
ST-BY
10K
47K
MUTES-GND 10 25 1
HSD
Figure1: Standard Test and Application Circuit
TDA7384A
4/9
Figure2: P.C.B. and component layoutof the figure1 (1:1 scale)
COMPONENTS&
TOP COPPER LAYER
BOTTOM COPPERLAYER
TDA7384A
5/9
Figure3: Quiescent Current vs. Supply Voltage Figure4: Quiescent Output Voltage vs. Supply
Voltage
Figure5: Output Power vs. Supply Voltage Figure6: Distortion vs. Output Power
Figure7: Distortion vs. Frequency Figure8: Supply Voltage Rejection vs.
Frequency. =14.4V =4Ω =1W
TDA7384A
6/9

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