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TDA7267 Dataheets PDF



Part Number TDA7267
Manufacturers ST Microelectronics
Logo ST Microelectronics
Description 2W MONO AMPLIFIER
Datasheet TDA7267 DatasheetTDA7267 Datasheet (PDF)

® TDA7267 2W MONO AMPLIFIER CAN DELIVER 2W THD 10% 12V/8Ω INTERNAL FIXED GAIN 32dB NO FEEDBACK CAPACITOR NO BOUCHEROT CELL THERMAL PROTECTION AC SHORT CIRCUIT PROTECTION SVR CAPACITOR FOR BETTER RIPPLE REJECTION LOW TURN-ON/OFF POP STAND-BY MODE MINIDIP (4+4) ORDERING NUMBER: TDA7267 DESCRIPTION The device TDA7267 is a new technology Mono Audio Amplifier in MINIDIP package specifically designed for TV application. Thanks to the fully complementary output configuBLOCK DIAGRAM ration the dev.

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® TDA7267 2W MONO AMPLIFIER CAN DELIVER 2W THD 10% 12V/8Ω INTERNAL FIXED GAIN 32dB NO FEEDBACK CAPACITOR NO BOUCHEROT CELL THERMAL PROTECTION AC SHORT CIRCUIT PROTECTION SVR CAPACITOR FOR BETTER RIPPLE REJECTION LOW TURN-ON/OFF POP STAND-BY MODE MINIDIP (4+4) ORDERING NUMBER: TDA7267 DESCRIPTION The device TDA7267 is a new technology Mono Audio Amplifier in MINIDIP package specifically designed for TV application. Thanks to the fully complementary output configuBLOCK DIAGRAM ration the device delivers a rail to rail voltage swing without need of boostrap capacitors. VS VS=12V 100µF 0.1µF IN IN + OUT 470µF SVR 47µF 8Ω S-GND P-GND D94AU165 June1998 1/5 TDA7267 ABSOLUTE MAXIMUM RATINGS Symbol VS IO Top Tj Tstg Operating Supply Voltage Output Put Peak Current Operating Temperature Range Junction Temperature Storage Temperature Range Parameter Value 18 1.5 0 to 70 150 -40 to 125 Unit V A °C °C °C PIN CONNECTION (Top view) VS OUT SVR IN 1 2 3 4 D94AU163 8 7 6 5 GND GND GND GND THERMAL DATA Symbol Rth j-amb Rth j-case Parameter Thermal Resistance Junction to ambient (on PCB) Thermal Resistance Junction to case Value 80 15 Unit °C/W °C/W ELECTRICAL CHARACTERISTICS (Tamb = 25°C; VS = 12V; RL = 8Ω; f = 1KHz; unless otherwise specified.) Symbol VS IS Isb VO AV RIN PO THD SVR EI Vsb Parameter Supply Voltage Range Quiescent Current Stand-By Current Quiescent Output Voltage Voltage Gain Input Impedance Output Power Distortion Supply Voltage Rejection Input Noise Voltage Stand-By Enable Voltage THD = 10% PO = 1W Vripple = 150mVrms; Fripple = 1KHz Rg = 10KΩ; BW = 20Hz to 20KHz 1.8 Pin 3 shorted to GND 6 32 100 2 1.0 50 1.5 5 1 Test Condition Min. 4.5 20 Typ. Max. 18 30 0.3 Unit V mA mA V dB KΩ W % dB µV V 2/5 TDA7267 APPLICATION CIRCUIT VS 0.1µF IN VS=12V 100µF 470µF OUT 8Ω IN SVR 47µF STAND-BY P-GND D94AU166 APPLICATION HINTS: For 12V supply and 8Ω speaker application, its maximum power dissipation is about 1W. Assumming that max ambient temperature is 70°C. Required thermal resistance of the device and heat dissipating means must be equal to (150 - 70)/1 = 80°C/W. Junction to pin thermal resistance of the package is about 15°C/W. That means external heat sink of about 65°C/W is required. Cu ground plane of PCB can be used as heat dissipating means. Stand-By switches must be able to discharge Csvr current. 3/5 TDA7267 MINIDIP PACKAGE MECHANICAL DATA DIM. MIN. A a1 B B1 b b1 D E e e3 e4 F I L Z 0.44 3.3 1.6 0.017 8.8 2.54 7.62 7.62 7.1 4.8 0.130 0.063 0.38 0.7 1.39 0.91 0.5 0.5 9.8 0.346 0.100 0.300 0.300 0.280 0.189 0.015 1.65 1.04 mm TYP. 3.3 0.028 0.055 0.036 0.020 0.020 0.386 0.065 0.041 MAX. MIN. inch TYP. 0.130 MAX. 4/5 TDA7267 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 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 © 1998 STMicroelectronics – Printed in Italy – All Rights Reserved 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. 5/5 .


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