TDA7393

TDA7393  2 x 32W DUAL BRIDGE CAR RADIO AMPLIFIER HIGH OUTPUT POWER CAPABILITY: 2 x 35W max./4Ω 2 x 32W EIAJ/4Ω 2 x 22W typ./4Ω @ 14.4V, 1KHz, 10% 2 x 19W typ./4Ω @ 13.2V, 1KHz, 10% 2 x 28W typ./2Ω @ 14.4V, 1KHz, 10% 2 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 TO VS VERY INDUCTIVE LOADS OVERRATING CHIP TEMPERATURE WITH SOFT THERMAL LIMITER ) (s t c u d o r ) s ( ct u d o MULTIWAT T15 ORDERING NUMBER: TDA7393 r P e LOAD DUMP VOLTAGE FORTUITOUS OPEN GND REVERSE BATTERY ESD PROTECTION t e l o s b O DESCRIPTION The TDA7393 is a new technology class AB Audio Power Amplifier in Multiwatt15 package designed for high end car radio applications. Thanks to the fully complementary PNP/NPN output configuration the high power performances of the TDA7393 are obtained without bootstrap capacitors. The extremely reduced components count P e BLOCK DIAGRAM t e l o s b O October 1998 1/9 TDA7393 ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit 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% at f = 10Hz) Non Repetitive (t = 100µs) 4.5 5.5 A A Power dissipation, Tcase = 75°C (see derating curve) 50 W VCC IO Ptot Tj Junction Temperature 150 °C Top Operating Ambient Temperature – 40 to 85 °C Tstg Storage Temperature – 55 to 150 allows very compact sets. ) s ( ct °C u d o r P e PIN CONNECTION (Top view) t e l o ) (s s b O t c u d o r P e t e l o s b O THERMAL DATA 2/9 Symbol Parameter Rth j-case Thermal Resistance Junction to Case Max. Value Unit 1.5 °C/W TDA7393 ELECTRICAL CHARACTERISTICS (VS = 13.2V; f = 1KHz; Rg = 600Ω; RL = 4Ω; Tamb = 25°C; Refer to the application circuit, unless otherwise specified.) Symbol Parameter Iq1 Quiescent Current VOS Output Offset Voltage Gv Voltage Gain Po Output Power Test Condition 30.5 THD = 10%; VS = 14.4V THD = 10% THD = 1% THD = 10%; RL = 2Ω THD = 10%; VS = 14.4V; R L = 2Ω Po max Max. Output Power EIAJ RULES; VS = 13.7V THD Distortion Po = 0.1 to 8W eNo Output Noise Bw = 20Hz to 20KHz SVR Supply Voltage Rejection f = 100Hz (stereo) fL Low Cut-Off Frequency fH High Cut-Off Frequency Ri Input Impedance CT Cross Talk ISB St-By Current Consumption 17 Unit 180 mA 150 mV 32 33.5 dB 22 19 16 25 W W W W 28 W 30 ) s ( ct W 0.3 % 0.3 mVrms du 60 o r P dB Hz 300 ete ol St-By OUT Threshold Voltage Amp. ON VSB IN St-By IN Threshold Voltage Amp. OFF V SB Supply Dependent St-By Threshold St-By = H, VS reducing/increasing AM Mute Attenuation VO = 1Vrms )- s b O t(s VM out Mute OUT Threshold Voltage VM in Mute IN Threshold Voltage c u d o r P Max. 90 10 f = 1KHz Supply Dependent Mute Threshold Typ. 0.08 VSB out VM Min. Amp. Play 10 15 50 65 KHz 20 dB 100 µA 1.5 V 8.3 V 3.5 V 7.5 75 dB 3.5 V Amp. Mute Mute = IN, VS reducing/increasing KΩ 1.5 V 8.5 9.3 V Im (L) Muting Pin Current VMUTE = 1.5V (Sourced Current) 6 10 14 µA Im (H) Muting Pin Current VMUTE = 3.5V (Sourced Current) 6 10 14 µA e t e ol s b O Figure 1: Quiescent Current vs. Supply Voltage RL = 4Ω Figure 2: Output Power vs. Supply Voltage R L = 4Ω f = 1KHz 3/9 TDA7393 Figure 3: Output Power vs Supply Voltage Figure 4: EIAJ Power vs. Supply Voltage f = 1KHz Vi = 2.5Vrms RL = 2Ω f = 1KHz ) s ( ct u d o r P e Figure 5: Cross-Talk vs. Frequency Figure 6: SVR vs. Frequency t e l o ) (s VS = 13.2V RL = 4Ω VO = 1Vrms t c u d o r s b O VS = 13.2V RL = 4Ω Vr = 1Vrms Rg = 600Ω Mute 1,2 = OFF P e t e l o bs Figure 7: Distortion vs. Frequency O Figure 8: Distortion vs. Frequency VS = 13.2V RL = 4Ω Both channels VS = 13.2V RL = 2Ω 4/9 TDA7393 Figure 9: Block Diagram of Mute Circuit ) s ( ct u d o r P e t e l o Figure 10: Explanatory Waveforms Of Mute Circuit ) (s s b O t c u d o r P e t e l o s b O 5/9 TDA7393 Figure 11: Application Circuit ) s ( ct u d o r P e t e l o s b O Figure 12: P.C. Board and Component Layout of the fig. 11 (1:1 scale) ) (s t c u d o r P e t e l o s b O 6/9 TDA7393 Figure 13: Power Dissipation Derating Curve ) s ( ct u d o r P e t e l o ) (s s b O t c u d o r P e t e l o s b O 7/9 TDA7393 MULTIWATT15 PACKAGE MECHANICAL DATA DIM. A B C D E F G G1 H1 H2 L L1 L2 L3 L4 L7 M M1 S S1 MIN. mm TYP. MAX. 5 2.65 1.6 MIN. 0.55 0.75 1.52 18.03 0.019 0.026 0.040 0.690 0.772 1 0.49 0.66 1.02 17.53 19.6 Dia1 21.9 21.7 17.65 17.25 10.3 2.65 4.25 4.63 1.9 1.9 1.27 17.78 22.2 22.1 17.5 10.7 4.55 5.08 3.65 inch TYP. 0.039 20.2 22.5 22.5 18.1 17.75 10.9 2.9 4.85 5.53 2.6 2.6 0.862 0.854 0.695 0.679 0.406 0.104 0.167 0.182 0.075 0.075 3.85 0.144 0.050 0.700 0.874 0.870 0.689 0.421 0.179 0.200 d o r P e s b O 8/9 0.022 0.030 0.060 0.710 0.795 0.886 0.886 0.713 0.699 0.429 0.114 0.191 0.218 0.102 0.102 ) (s t c u t e l o OUTLINE AND MECHANICAL DATA MAX. 0.197 0.104 0.063 0.152 ) s ( ct u d o r P e s b O t e l o Multiwatt15 V TDA7393 ) s ( ct u d o r P e t e l o ) (s s b O t c u d o r P e t e l o s b O Information furnished is believed to be accurate and reliable. However, STMicroelectronics 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 STMicroelectronics. Specification mentioned in this publication are subject to change without notice. This publicationsupersedes and replaces all information previously supplied. STMicroelectronics products are notauthorizedfor use as critical components in life support devices or systems without express writtenapproval of STMicroelectronics. The ST logois a registered trademark of STMicroelectronics  1998 STMicroelectronics – Printed in Italy – All Rights Reserved MULTIWATT is a Registered Trademark of the STMicroelectronics STMicroelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - France - Germany - Italy - Japan - Korea - Malaysia - Malta - Mexico - Morocco - The Netherlands Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. http://www.st.com 9/9