TDA7253

TDA7253 ® 8W AMPLIFIER WITH MUTING WIDE SUPPLY VOLTAGE RANGE 8W @ VS=26V, RL = 8Ω, THD=10% MUTE FACILITY (POP FREE) WITH LOW CONSUMPTION AC SHORT CIRCUIT PROTECTION THERMAL OVERLOAD PROTECTION (150°C) ) s ( ct u d o r P e DESCRIPTION The TDA7253 is class AB audio power amplifier assembled in the new Clipwatt package. APPLICATION CIRCUIT ) (s Clipwatt11 s b O t c u d o r +VS R7 820 P e = MUTE SW t e l o C4 0.1µF CSVR 100µF bs 1 O 3 9 C5 470µF 10 2 11 TDA7253 C2 IN (L) t e l o C11 1000µF 8 100nF 27K 7 6 CF 4 47µF R3 1.5K R4 47 C9 0.1µF RL R6 4.7 D94AU130 September 2003 1/5 TDA7253 ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit 35 V VS Supply Voltage IO IO Output Peak Current (repetitive f >20Hz) 2.5 A Output Peak Current (non repetitive, t = 100µs) 3.5 A Total Power Dissipation (Tcase = 70°C) 25 W 0 to 70 °C -40 to 150 °C Ptot Top Tstg,Tj Operating Temperature Range Storage & Junction Temperature PIN CONNECTION (Top view) N.C. 10 N.C. 9 +Vs 8 OUTPUT 7 N.C. 6 GND 5 NON INVERTING INPUT 4 INVERTING INPUT bs SVR/MUTING 2 O ) 1 c u d e t e ol s b O 2/5 t(s o r P D93AU037A N.C. N.C. u d o r P e t e l o 3 Figure 1: Application Circuit ) s ( ct 11 TDA7253 THERMAL DATA Symbol Rth j-case Parameter Thermal resistance junction to case Value Unit 3 °C/W Max ELECTRICAL CHARACTERISTICS (Refer to the test and application circuit, VS = 26V; RL = 8Ω; Gv = 30dB; f = 1KHz; Tamb = 25°C unless otherwise specified.) Symbol Parameter Test Condition VS Supply Voltage VO Iq Quiescent Output Voltage Total Quiescent Current PO Output Power d = 10% d = 1% d RI Total Harmonic Distortion Input Resistance PO = 1W fL fH Low Frequency Roll-off (-3dB) High Frequency Roll-off (-3dB) eN Total Input Noise Voltage Supply Voltage Rejection Mute Threshold VTPLAY AM Play Threshold Mute Attenuation IqMUTE Quiescent Current Mute d o r s b O Unit 32 V 12.5 40 8 V mA ) s ( ct 10 8 W W du 0.03 100 200 % KΩ o r P 40 80 ete A Curve; RS = 10KΩ Hz KHz 2 mV µV f = 22Hz to 22KHz; RS = 10KΩ 2.5 RS = 10KΩ; f = 100Hz; Vr = 0.5V 60 0.8 dB V 100 V dB l o s ) (s Figure 1: Output Power vs. Supply Voltage t e l o Max. b O 5 80 10 7 10 mA t c u CF ≤ 1 CSVR P e Typ. 10 SVR VTMUTE Note: to avoid pop-on noise Min. Figure 2: Quiescent Current vs. Supply Voltage D94AU131 Iq (mA) 45 40 35 30 25 20 8 12 16 20 24 28 Vs(V) 3/5 TDA7253 mm DIM. MIN. TYP. inch MAX. MIN. TYP. A 3.2 0.126 B 1.05 0.041 C 0.15 0.006 D 1.5 0.059 E 0.49 F 0.77 0.8 G 1.57 1.7 G1 16.87 17 F1 0.019 0.88 0.030 0.031 1.83 0.062 0.067 0.002 0.072 17.13 0.664 0.669 0.674 u d o 0.732 19.85 r P e 0.781 L 17.9 0.700 L1 14.55 0.580 L2 ) s ( ct 0.480 18.6 H3 0.035 0.006 12 H2 Weight: 1.80gr 0.55 0.15 H1 OUTLINE AND MECHANICAL DATA MAX. 10.7 11 11.2 0.421 0.433 L3 5.5 0.217 M 2.54 0.100 M1 2.54 0.100 t e l o Clipwatt11 0.441 ) (s s b O t c u d o r P e t e l o s b O 0044448 4/5 TDA7253 ) 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. 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. The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners © 2003 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 www.st.com 5/5