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