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TDA7267
2W MONO AMPLIFIER
TDA72672W 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
DESCRIPTIONThe device TDA7267 is a new technology Mono
Audio Amplifier in MINIDIP package specifically
designed for TV application.
Thanks to the fully complementary output configu- ration the device delivers a rail to rail voltage
swing without need of boostrap capacitors.
BLOCK DIAGRAMABSOLUTE MAXIMUM RATINGS
THERMAL DATA
PIN CONNECTION (Top view)
ELECTRICAL CHARACTERISTICS (Tamb = 25°C; VS = 12V; RL = 8Ω; f = 1KHz; unless otherwise speci-fied.)
TDA72672/5
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 dis-
sipating means.
Stand-By switches must be able to discharge Csvr
current.
APPLICATION CIRCUIT
TDA7267
MINIDIP PACKAGE MECHANICAL DATA
TDA72674/5
. 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
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TDA7267
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