TDA7499

TDA7499 6W+6W STEREO AMPLIFIER WITH MUTE & ST-B 1 FEATURES Figure 1. Package WIDE SUPPLY VOLTAGE RANGE UP TO +18V 6+6W @THD = 10%, R L= 8Ω, VS = ±14V ■ ■ Multiwatt11 NO POP AT TURN-ON/OFF MUTE (POP FREE) STAND-BY FEATURE (LOW Iq) ■ ■ ■ Table 1. Order Codes SHORT CIRCUIT PROTECTION TO GND THERMAL OVERLOAD PROTECTION ■ ■ 2 Part Number Package TDA7499 Multiwatt11V c u d DESCRIPTION The TDA7499 is class AB dual Audio power amplifier assembled in the Multiwatt package, specially designed for high quality sound application as Hi-Fi music centers and stereo TV sets. Figure 2. Typical Application Circuit 15K 1µF MUTE/ ST-BY u d o ) s ( ct IN (L) r P e 7 +5V bs O 15K 18K GND o r P o s b O +VS 1000µF 3 5 1µF t e l o e t le ) s t( + 4 OUT (L) 8 IN- (L) - 18K 4.7Ω RL (L) 100nF 560Ω 9 µP 10 IN- (R) 560Ω 18K 1µF IN (R) 11 2 + 1 6 -VS OUT (R) 4.7Ω RL (R) 100nF 1000µF D94AU085 August 2004 Rev. 5 1/9 TDA7499 Table 2. Absolute Maximum Ratings Symbol Parameter Value Unit VS DC Supply Voltage ±20 V IO Output Power Current (internally limited) 2.5 A Ptot Total Power Dissipation (Tamb = 70°C) 23 W Tamb Ambient Operating Temperature (1) 0 to 70 °C Tstg, Tj Storage and Junction Temperature -40 to 150 °C Figure 3. Pin Connection (Top view) 11 IN+(1) 10 IN-(1) 9 GND 8 IN-(2) 7 IN+(2) 6 -VS 5 MUTE 4 OUTPUT(2) 3 +VS 2 OUTPUT(1) 1 -VS e t le TAB CONNECTED TO PIN 6 Table 3. Thermal Data Symbol Parameter ) s ( ct Rth j-case Thermal Resistance Junction-case Rth j-amb Thermal Resistance Junction-ambient u d o c u d ) s t( o r P D95AU316 o s b O - Value Unit max 2.8 °C/W max 35 °C/W Figure 4. Single Supply Application R1 10K r P e C1 1µF t e l o PLAY 5V bs 0 MUTE O C2 100µF R3 15K MUTE IN (L) Q1 BSX33 R2 15K +VS D1 5.1V C5 1000µF 3 5 7 C3 1µF + 4 OUT (L) 8 IN- (L) - 9 C4 1µF IN (R) 11 C6 0.1µF C9 470µF R4 30K R5 1K + 2 OUT (R) R8 4.7Ω C7 0.1µF OUT (L) C10 470µF 10 1 6 GND IN- (R) R6 30K R7 1K R9 4.7Ω C8 0.1µF D96AU444A 2/9 OUT (R) TDA7499 Table 4. Electrical Characteristcs (Refer to the test circuit VS = ±10V; Rs = 50Ω; GV = 30dB, f = 1KHz; Tamb = 25°C, unless otherwise specified) Symbol Parameter Test Condition Supply Voltage Range VS Iq Min. Input Offset Voltage Ib Output Bias Current PO Output Power THD ±18 V RL = 4Ω; ±5 ±13.5 V 90 mA +25 mV -25 500 nA THD = 10%; RL = 8Ω; VS = ±8.5V; RL = 4Ω; 6 6 W W THD = 1%; RL = 8Ω; VS = ±8.5V; RL = 4Ω; 5 5 W W RL = 8Ω; PO = 1W; f = 1KHz; 0.03 RL = 8Ω; VS = ±10V; PO = 0.1 to 3W; f = 100Hz to 15KHz; 0.2 RL = 4Ω; PO = 1W; f = 1KHz; RL = 4Ω; VS = ±8.5V; PO = 0.1 to 2W; f = 100Hz to 15KHz; Cross Talk CT Slew Rate GOL Open Loop Voltage Gain eN uc Total Output Noise Input Resistance Ri SVR (t s) od r P e Supply Voltage Rejection (each channel) e t le o s b O - f = 1KHz; f = 10KHz; SR c u d o r P s b O ) s t( 0.5 0.02 0.2 % % % 1 % 50 70 60 dB dB 6.5 10 V/µs 80 dB A Curve f = 20Hz to 22KHz 3 4 15 f = 100Hz; VR = 0.5V t e l o Tj Unit ±5 50 Total Harmonic Distortion Max. RL = 8Ω Total Quiescent Current VOS Typ. Thermal Shut-down Junction Temperature 8 µV µV 20 KΩ 60 dB 145 °C MUTE & INPUT SELECTION FUNCTIONS VMUTE Mute /Play threshold -7 -6 AMUTE Mute Attenuation 60 70 -3.5 -2.5 -5 V dB STAND-BY FUNCTIONS [ref: +VS] (only for Split Supply) VST-BY Stand-by Mute threshold AST-BY Stand-by Attenuation IqST-BY Quiescent Current @ Stand-by -0.5 110 3 V dB 6 mA 3/9 TDA7499 Table 5. Electrical Characteristics in Single Supply (by correlation with test conditions in split supply) Symbol VS Parameter Supply Range Iq Total Quiescent Current Ib Non Inverting Input Bias Current PO Output Power THD Cross Talk SR Slew Rate Open Loop Voltage Gain 36 V 10 27 V 90 mA 500 nA 8 10 7.5 W W 6 7.5 6 W W RL = 8Ω ; PO = 1W; f = 1KHz 0.03 % RL = 8Ω ; PO = 0.1 to 5W; VS = 26V; f = 100Hz to 15KHz 0.2 RL = 4Ω ; PO = 1W; f = 1KHz 0.02 RL = 4Ω ; VS =20V; PO = 0.1 to 4W; f = 100Hz to 15KHz 0.2 THD = 10% RL = 8Ω VS = 22V; RL = 4Ω THD = 1% RL = 8Ω VS = 22V; RL = 4Ω A Curve f = 20Hz to 22KHz Supply Voltage Rejection (each channel) Tj Thermal Shut-down Junction Temperature VTMUTE AM r P e P e let 50 uc b O - so 15 ct 1 % ) s t( % % 70 60 dB dB 10 V/µs 80 dB 3 4 8 µV µV 20 KΩ 60 dB 145 °C Mute / Play Threshold -7 -6 Mute Attenuation 60 70 t e l o s b O (s) 0.5 d o r fr = 100Hz; Vr = 0.5V u d o MUTE FUNCTION [ref: +VS] Unit 10 Input Resistance SVR Max. RL = 8Ω 6.5 Total Input Noise Ri Typ. RL = 4Ω f = 1KHz f = 10KHz GOL eN Min. 50 Total Harmonic Distortion CT 4/9 Test Condition -5 V dB TDA7499 3 MUTE STAND-BY FUNCTION The pin 5 (MUTE/STAND-BY) controls the amplifier status by two different thresholds, referred to +VS. – When Vpin5 higher than = +VS -2.5V the amplifier is in Stand-by mode and the final stage generators are off. – When Vpin5 between = +VS -2.5V and VS -6V the final stage generators are switched on and the amplifier is in mute mode. – When Vpin5 lower than = +VS -6V the amplifier is play mode. Figure 5. +VS (V) 20 t c u d -VS -20 VIN (mV) e t le Vpin5 (V) VS VS-2.5 VS-6 ) s ( ct VS-10 ) s t( o r P o s b O - u d o Iq (mA) r P e 0 s b O t e l o VOUT (V) PLAY OFF STDBY PLAY OFF STDBY STDBY MUTE D94AU086 MUTE MUTE MUTE 5/9 TDA7499 Figure 6. Test and Application Circuit (Stereo Configuration) +VS R2 C3 MUTE/ ST-BY Q1 R1 IN (L) SW1 ST-BY DZ R3 7 + 4 OUT (L) 8 IN- (L) - GND C5 3 5 C1 R4 C4 +VS R5 R7 RL (L) C8 R6 9 SW2 MUTE R9 IN- (R) 10 R8 C2 IN (R) - 11 OUT (R) 2 + 1 R10 6 -VS C7 RL (R) C9 C6 c u d D94AU087B 4 APPLICATION SUGGESTIONS (Demo Board Schematic) e t le ) s t( o r P The recommended values of the external components are those shown the demoboard schematic different values can be used, the following table can help the designer. Table 6. COMPONENT SUGGESTION VALUE R1 10KΩ Mute Circuit R2 15KΩ Mute Circuit R4 t e l o R6, R9 bs O du LARGER THAN RECOMMENDED VALUE SMALLER THAN RECOMMENDED VALUE Increase of Dz Biasing Current Vpin #5 Shifted Downward Vpin #5 Shifted Upward 18KΩ Mute Circuit Vpin #5 Shifted Upward Vpin #5 Shifted Downward 15KΩ Mute Circuit Vpin #5 Shifted Upward Vpin #5 Shifted Downward 18KΩ Closed Loop Gain Setting (*) Increase of Gain 560KΩ Decrease of Gain R7, R10 4.7Ω Frequency Stability C1, C2 1µF Input DC Decoupling C3 1µF St-By/Mute Time Constant C4, C6 1000µF Supply Voltage Bypass Danger of Oscillations C5, C7 0.1µF Supply Voltage Bypass Danger of Oscillations C8, C9 0.1µF Frequency Stability Dz 5.1V Mute Circuit (*) Closed loop gain has to be ≥25dB 6/9 ) s ( ct o r P e R3 R5, R8 PURPOSE o s b O - Danger of Oscillations Danger of Oscillations Higher low frequency cutoff Larger On/Off Time Smaller On/Off Time TDA7499 Figure 7. Multiwatt11V Mechanical Data & Package Dimensions DIM. mm MIN. TYP. inch MAX. MIN. TYP. MAX. A 5 0.197 B 2.65 0.104 C 1.6 D OUTLINE AND MECHANICAL DATA 0.063 1 0.039 E 0.49 0.55 0.019 0.022 F 0.88 0.95 0.035 0.037 G 1.45 1.7 1.95 0.057 0.067 0.077 G1 16.75 17 17.25 0.659 0.669 0.679 H1 19.6 0.772 H2 20.2 0.795 L 21.9 22.2 22.5 0.862 0.874 0.886 L1 21.7 22.1 22.5 0.854 0.87 0.886 L2 17.4 18.1 0.685 L3 17.25 17.5 17.75 0.679 0.689 0.713 L4 10.3 10.7 10.9 0.406 0.421 L7 2.65 2.9 0.104 0.699 c u d 0.429 0.114 M 4.25 4.55 4.85 0.167 0.179 0.191 M1 4.73 5.08 5.43 0.186 0.200 0.214 S 1.9 2.6 0.075 0.102 S1 1.9 2.6 0.075 0.102 Dia1 3.65 3.85 0.144 0.152 ) s ( ct e t le ) s t( o r P Multiwatt11 (Vertical) o s b O - u d o r P e t e l o s b O 0016035 H 7/9 TDA7499 Table 7. Revision History Date Revision Description of Changes September 2003 4 First Issue in EDOCS DMS August 2004 5 Stylesheet update. Change fig. 4 c u d e t le ) s ( ct u d o r P e t e l o s b O 8/9 o s b O - o r P ) s t( TDA7499 c u d e t le ) s ( ct ) s t( o r P o s b O - u d o r P e t e l 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. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. s b O The ST logo is a registered trademark of STMicroelectronics. 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