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TDA7365
2 x 6W CAR RADIO AMPLIFIER PLUS SOLID STATE SWITCH
ADVANCE DATA
OUTPUT POWER 2x6W/4 @14.4V, 1KHz, 10% SOLID STATE POWER SWITCH INCLUDED (1A @ VDROP = 0.8V Typ.) MINIMUM EXTERNAL COMPONENT COUNT - INTERNALLY FIXED GAIN (40dB) - NO BOOTSTRAP CAPACITORS - NO EXTERNAL COMPENSATION ST-BY FUNCTION (CMOS COMPATIBLE) MUTE FUNCTION (CMOS COMPATIBLE) NO AUDIBLE POP DURING MUTE/ST-BY OPERATIONS LOW SUPPLY SELF MUTING PROTECTIONS AC AUDIO OUTPUTS SHORT CIRCUIT TO GND DC AUDIO OUTPUTS SHORT CIRCUIT TO GND AND TO VS AT POWER ON SWITCH OUTPUT INTERNAL CURRENT LIMITATION OVERRATING CHIP TEMPERATURE WITH SOFT THERMAL LIMITER LOAD DUMP FORTUITOUS OPEN GND BLOCK DIAGRAM
MULTIWATT15 ORDERING NUMBER: TDA7365
REVERSE BATTERY ESD DESCRIPTION The TDA7365 is a new technology Dual Audio Amplifier in Multiwatt15 package especially designed for stereo car radio applications. Thanks to the fully complementary output configuration the TDA7365 delivers a rail to rail voltage swing with no need of boostrap capacitors It includes a solid state switch, enabled by a ST-BY function common to the audio section, suitable for supplying both the signal processing part of the car radio set and the lamps. As a results the power-on operation is simplified, thereby saving cost and space in the whole power section.
April 1995
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This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
TDA7365
PIN CONNECTION (Top view)
Vs
Vs
ABSOLUTE MAXIMUM RATINGS
Symbol VS VOP VPEAK IO IO IO Ptot Tstg, Tj DC Supply Voltage Operating Supply Voltage Peak Supply Voltage (t = 50ms) Audio Channels Output Peak Current (not rep. t = 100s) Audio Channels Output Peak Current (rep. f > 10Hz) Switch Output Peak Current Power Dissipation (Tcase = 85C) Storage and Junction Temperature Parameter Value 28 18 40 4 3 (internally limited) 1.5 32 -40 to 150 Unit V V V A A A W C
THERMAL DATA
Symbol Rth j-case Thermal Resistance Junction-case Description Max Value 2 Unit C/W
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TDA7365
ELECTRICAL CHARACTERISTICS (Refer to the test circuit; VS = 14.4V; RL = 4, Tamb = 25C, f = 1kHz, unless otherwise specified)
Symbol VS Id PO Parameter Supply Range Total Quiescent Drain Current Output Power Power Switch Unloaded R L = 4; THD = 10% each channel R L = 2; THD = 10% each channel d CT R IN GV GV EIN SVR ASB ISB VSB IN VSB OUT VM IN VM OUT Distortion Cross Talk Input Impedance Voltage Gain Voltage Gain Match. Input Noise Voltage (*) Supply Voltage Rejection Stand-by Attenuation ST-BY Current Consumption ST-BY IN Threshold Voltage ST-BY OUT Threshold Voltage MUTE IN Threshold Voltage MUTE OUT Threshold Voltage 3.5 3.5 1.5 Rg = 0 R g = 0 ; f = 100Hz; Vr = 0.5Vrms 45 60 1.2 50 90 100 1.5 PO = 0.1 to 3W f = 1kHz; Rg = 0 f = 10kHz; Rg = 0 50 40 39 5.5 Test Condition Min. 8 80 6 9 0.08 55 50 50 40 41 1 5 0.3 Typ. Max. 18 Unit V mA W W % dB dB K dB dB V dB dB A V V V V
POWER SWITCH CHARACTERISTICS
Symbol IOp VDROP Parameter Continuous Output Current Dropout Voltage Io = 1A Test Condition Min. Typ. 1.2 1.4 Max. Unit A V
(*) 22Hz to 22KHz (**) A weighted
TEST AND APPLICATION CIRCUIT
+Vs 470F C5 0.1F C6 47F C10 PWR SWITCH OUTPUT 4.7F C9 PW-GND 0.22F C1 IN1 OUT1 50K OUT2 50K 10K R1 0.1F C7 S-GND ST-BY 1000F C4 1000F C3 TO THE VOLTAGE REGULATOR SUPPLYING THE LOW SIGNAL SECTION
POWER SWITCH
SVR
0.22F C2
IN2
MUTE
10K R2 10F C8
D94AU116B
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TDA7365
Figure 1: P.C.Board and component layout of the Test and Application Circuit 1:1 scale.
Figure 2: Quiescent Drain Current vs. Supply Voltage
Figure 3: Output Power vs. Supply Voltage
Figure 4: Output Power vs. Supply Voltage
Figure 5: Distortion vs. Output Power
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TDA7365
Fiigure 6: Distortion vs. Frequency Figure 7: Supply Voltage Rejection
Fiigure 8: Cross-Talk vs. Frequency
Figure 9: Switch Drop-out vs. Switch Current
Figure 10: Total Power Dissipation and Efficiency vs. Output Power
Figure 11: Total Power Dissipation and Efficiency
Ptot (W)
Ptot
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TDA7365
MULTIWATT15 PACKAGE MECHANICAL DATA
DIM. MIN. A B C D E F G G1 H1 H2 L L1 L2 L3 L4 L7 M M1 S S1 Dia1 22.1 22 17.65 17.25 10.3 2.65 4.2 4.5 1.9 1.9 3.65 4.3 5.08 17.5 10.7 0.49 0.66 1.14 17.57 19.6 20.2 22.6 22.5 18.1 17.75 10.9 2.9 4.6 5.3 2.6 2.6 3.85 0.870 0.866 0.695 0.679 0.406 0.104 0.165 0.177 0.075 0.075 0.144 0.169 0.200 0.689 0.421 1.27 17.78 1 0.55 0.75 1.4 17.91 0.019 0.026 0.045 0.692 0.772 0.795 0.890 0.886 0.713 0.699 0.429 0.114 0.181 0.209 0.102 0.102 0.152 0.050 0.700 mm TYP. MAX. 5 2.65 1.6 0.039 0.022 0.030 0.055 0.705 MIN. inch TYP. MAX. 0.197 0.104 0.063
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TDA7365
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of SGS-THOMSON Microelectronics. (c) 1995 SGS-THOMSON Microelectronics - All Rights Reserved MULTIWATT(R) is Registered Trademark of SGS-THOMSON Microelectronics SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands - Singapore Spain - Sweden - Switzerland - Taiwan - Thaliand - United Kingdom - U.S.A.
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