TDA7490SA D99AU1066B D04AU1542 RCH-108-330K D03AU1566 JESD97 - Datasheet Archive

 

10W +10W Stereo Class-D Amplifier Features FEATURES 10W + 10W CONTINUOUS OUTPUT POWER: RL = 8 THD = 10% HIGH EFFICIENCY SINGLE

 

TDA7490SA TDA7490SA 10W +10W Stereo Class-D Amplifier Features FEATURES 10W + 10W CONTINUOUS OUTPUT POWER: RL = 8 THD = 10% HIGH EFFICIENCY SINGLE SUPPLY AND SPLIT SUPPLY OPERATION POP NOISE FREE ST-BY AND MUTE FEATURES SHORT CIRCUIT PROTECTION THERMAL OVERLOAD PROTECTION EXTERNALLY SYNCHRONIZABLE CLIPWATT 19 Description The tda7490SA is a dual audio class-D amplifier assembled in CLIPWATT 19 package specially designed for high efficiency application mainly for TV, LCD TV and Home Stereo sets. (s) Temp range, °C Part number ct TDA7490SA TDA7490SA 0 to 70 du o te le so Ob . Order codes uc d s) t( ro P Package Packing CLIPWATT 19 Tube Pr e let o bs O November 2005 Rev 1 1/13 www.st.com 13 TDA7490SA TDA7490SA Contents 1 Typical application and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 typical application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.3 thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2 Electrical characteristcs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3.1 PCB and component layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 s) t( 4 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 5 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 uc d te le (s) ct du o Pr e let o bs O 2/13 so Ob - ro P TDA7490SA TDA7490SA 1 Typical application and pin description 1 Typical application and pin description 1.1 typical application Figure 1. typical application and test circuit for single and split supply 2 C5 1nF 1 DRIVER +VCC1 +VCC C13 100nF C16 33nF OUT1 6 REFERENCE R1 27K 3 5 IN1 T2 EXTERNAL CLK BOOSTRAP1 PWM STAGE C3 330nF INPUT1 C18 560pF C1 100nF 9 8 TRIANGLE1 R2 22K -VCC /GND C15 2200µF BOOTSTRAP2 17 C7 330pF C14 2200µF C4 330nF 19 DRIVER IN2 INPUT2 C17 33nF C12 100nF OUT2 15 -VCC/GND PWM STAGE 14 4 R4 30K R6 10K C8 2.2µF STBY +VCC REGULATOR 12 STBY/MUTE MUTE 16 7 +5V -5V C9 100nF R9 1K VREG C10 100nF -VCC/GND R5 10K te le -VCC/GND (*) Only for single Supply Solution (*) To add externally the PCB for Single Supply 1.2 pin description Figure 2. ro P e let o O bs (s) ct pin connection du C21 220nF R8 100 -VCC/GND LOUDSPEAKER2 1000µF uc d (*) R10 1K C11 100nF (*) L2 30µ C19 560pF 10 C6 1nF GND 1000µF 18 13 +VCC2 R3 22K C20 220nF R7 100 -VCC/GND LOUDSPEAKER1 OSCILLATOR C2 330pF TRIANGLE2 (*) L1 30µ s) t( ro P D99AU1066B D99AU1066B so Ob 19 OUT2 18 +VCC2 17 BOOT2 16 VREG 15 IN2 14 +5V 13 TRIANGLE2 12 GND 11 N.C. 10 -VCC 9 -VCC 8 TRIANGLE1 7 -5V 6 REFERENCE 5 IN1 4 ST-BY/MUTE 3 BOOT1 2 +VCC1 1 OUT1 D04AU1542 D04AU1542 3/13 TDA7490SA TDA7490SA Table 1. pin description N° 1 OUT 1 Output CH1 2 +VCC1 Positive Power Supply CH1 3 BOOT1 Bootstrap CH1 4 ST-BY/MUTE State Pin 5 IN1 Input CH1 6 REFERENCE 7 -5V 8 TRIANGLE 1 9 -VCC Negative Power Supply (Signal Ground) 10 -Vcc Negative Power Supply (Power Ground) connected to tab 11 N.C. 12 GND 13 TRIANGLE 2 14 +5V +5V regulator 15 IN 2 Input CH2 16 VREG 10V Regulator 17 BOOT 2 Bootstrap CH2 18 +VCC2 Positive Power Supply CH2 19 1.3 Pin OUT 2 Output CH2 Master Oscillator Setting Frequency -5V Regulator Triangular Waveform CH1 Ground Symbol (s) ct Pr e Rth j-case let o Rth j-amb bs O te le s) t( ro P so Ob - du o thermal data uc d Triangular Waveform CH2 thermal data Table 2. 4/13 Function Parameter Thermal Resistance Junction-case Thermal Resistance Junction-ambient Test Condition Typ. Max. Unit 2 3 °C/W 48 °C/W TDA7490SA TDA7490SA 2 2 Electrical characteristcs Electrical characteristcs Table 3. electrical characteristcs (Refer to the test circuit, VCC = ±13.5V; RL = 8; Demod. filter L = 33 µH, C = 220nF; f = 1KHz; R1 = 27k; Tamb = 25°C unless otherwise specified.) Symbol Parameter VS Total Quiescent Current Min. Supply Range Iq Test Condition VOS Typ. RL = ; no LC filter Unit ±15 ±7 Max. V 60 Output Offset Voltage -150 THD = 10% THD = 1% mA +150 mV 10 8.2 W W 10 8 s) t( VCC = ±10V; RL = 4 Po THD = 10% THD = 1% Output Power uc d VCC = ±6V; RL = 4 4 3 THD = 10% THD = 1% Maximum Dissipated Power Po = 10+10W; THD = 10% Efficiency (1) Po = 10+10W; RL = 8 THD Total Harmonic Distortion RL = 8; Po = 0.5W Imax Overcurrent Protection Threshold RL = 0 PD h Tj Thermal Shut-down Junction Temperature GV Closed Loop Gain GV Gain Matching eN bs O SVR du Cross Talk te le so Ob - ct let o CT Ri ro P e Total Input Noise (s) ro P 3.5 W W W 86 % 2.5 A 150 °C 30 2 % 0.1 dB -1 1 dB 7 dB 30 k 60 f = 100Hz; Vr = 0.5 µV t.b.d. f = 1KHz µV 12 A Curve f = 20Hz to 22KHz Input Resistance Supply Voltage Rejection W W dB Vrmax Overvoltage Protection Threshold Tr, Tf Rising and Falling Time 50 ns Power Transistor on Resistance 0.3 W RDSON FSW Switching Frequency 30 Internal Oscillator 180 V 200 220 KHz 5/13 TDA7490SA TDA7490SA 2 Electrical characteristcs electrical characteristcs (Refer to the test circuit, VCC = ±13.5V; RL = 8; Demod. filter L = 33 µH, C = 220nF; f = 1KHz; R1 = 27k; Tamb = 25°C unless otherwise specified.) Table 3. Symbol Parameter Test Condition with Internal Oscillator (2) with external Oscillator (3) Max. Unit 140 250 KHz 100 250 KHz 0 Output Switching Frequency Range FSWR Min. Typ. 0.7 V MUTE & STAND-BY FUNCTIONS VST-BY Stand-by range VMUTE Mute Range 1.7 2.5 V VPLAY Play Range 4 5 V AMUTE Mute Attenuation 60 IqST-BY Quiescent Current @ Stand-by 1.5 dB 2 mA s) t( Note: 1 : PO = measured across the load using the following inductor: SUMIDA RCH-108-330K RCH-108-330K uc d -2 : Fsw = 4810 + 23 with R1 in K; Fsw in KHz R1 R1 ro P 3 : Fsw = F sw = - F est with Fext, the frequency of the external oscillator 4 1 Figure 3. distortion vs output power Vs =27V 2 R =8 ohm l 1 F=1K z H 0.5 ro P e 0.2 0.1 0.05 let o 0.02 0.01 100m bs O 6/13 Ob Po(W ) 10 5 200m 500m 1 Pout(W ) uc d so Figure 4. TH (% D ) (s) t te le output Power vs Supply Voltage (single) 14 12 Rl = 8 ohm f = 1KHz 10 8 THD=10% 6 4 THD=1% 2 2 5 10 20 0 +14 +16 +18 +20 +22 Vs (V) +24 +26 +28 +30 TDA7490SA TDA7490SA Figure 5. 2 Electrical characteristcs output power vs supply voltage (single) Figure 6. Po(W ) 14 dissipated power vs output power Pd(W) 3.5 12 3 R = 6 ohm l f = 1K z H 10 2.5 8 Vs =+/- 13.5V TH =10% D 2 6 Rload = 8ohm (both ch) f = 1KHz TH =1% D 4 1.5 2 1 0 +14 +16 +18 +20 +22 +24 0 +26 2 4 6 Figure 7. 8 output power vs supply voltage (single) Figure 8. Po(W ) 12 uc d 70 Rl = 4 ohm 65 THD=10% f = 1KHz 8 Rl = No load No LC filter 60 6 te le 55 THD=1% 50 4 so Ob 45 2 0 +14 s) t( ro P 40 +15 +16 +17 +18 +19 +20 Vs (V) Figure 9. 12 quiescent current vs supply voltage Iq(mA) 10 10 2 x Po(W) Vs (V) +21 +22 (s) ct distortion vs output power 7 8 9 10 11 Vs=(+/-V) 12 13 14 15 du o TH (% D ) 10 Pr e Vs = +/- 13.5V R = 8 ohm l 1 let o F = 1K z H 0.1 bs O 0.01 100m 200m 500m 1 2 5 10 Pout(W ) 7/13 TDA7490SA TDA7490SA 2 Electrical characteristcs Figure 10. turn on/off suggested sequence +VS (V) 13.5 t -VS -13.5 VIN (mV) Vpin4 (V) 4 1.7 uc d 0.7 Iq (mA) te le VOUT (V) STDBY (s) ct u let o bs O 8/13 STDBY PLAY MUTE od Pr e so Ob - D03AU1566 D03AU1566 ro P MUTE s) t( TDA7490SA TDA7490SA 3 PCB 3 PCB 3.1 PCB and component layout Figure 11. PCB component layout of the test circuit uc d te le s) t( ro P so Ob - Figure 12. PCB copper bottom (top view) (s) ct du o Pr e let o bs O 9/13 TDA7490SA TDA7490SA 3 PCB Figure 13. PCB copper top (top view) uc d te le (s) ct du o Pr e let o bs O 10/13 so Ob - ro P s) t( TDA7490SA TDA7490SA 4 4 Package information Package information In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. These packages have a Lead-free second level interconnect. The category of second Level Interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97 JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com. Figure 14. clipwatt19 mechanical data & package dimensions mm inch DIM. MIN. TYP. MAX. MIN. TYP. OUTLINE AND MECHANICAL DATA MAX. A 3.2 0.126 B 1.05 0.041 C 0.15 D 1.50 E 0.47 0.061 0.49 F 0.006 0.55 0.58 0.50 F1 0.019 0.022 0.018 G 0.87 G1 17.87 uc d 0.020 0.1 0.004 1.00 1.13 0.034 18.0 18.13 0.703 0.039 0.044 0.708 0.713 H1 12.0 0.480 H2 18.6 0.732 H3 19.85 L L1 0.704 14.55 L2 10.7 te le 0.781 17.9 so Ob - 0.572 11.0 11.2 0.421 0.433 L3 5.50 0.217 M 2.54 0.100 M1 2.54 (s) ct s) t( ro P 0.441 Clipwatt19 0.100 du o Pr e let o bs O 7390917 A 11/13 TDA7490SA TDA7490SA 5 Revision history 5 Revision history Date Revision 24-Nov-2005 1 Changes Initial release. uc d te le (s) ct du o Pr e let o bs O 12/13 so Ob - ro P s) t( TDA7490SA TDA7490SA uc d te le (s) ct s) t( ro P so Ob - du o Pr e 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. let o bs O The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners © 2005 STMicroelectronics - All rights reserved STMicroelectronics group of companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America www.st.com 13/13