TDA7269SA ,10W+10W STEREO AMPLIFIER WITH MUTE & ST-BYFEATURES Figure 1. Package■ WIDE SUPPLY VOLTAGE RANGE UP TO +20V■ SPLIT SUPPLYClipwatt11■ 10+10W @T ..
TDA7269SA ,10W+10W STEREO AMPLIFIER WITH MUTE & ST-BYBlock Diagram+VS1000µ F15K 1µ FMUTE/3ST-BY5IN (L) 7+ 4 OUT (L)1µ F -18K 4.7ΩRL (L)8 IN- (L)100nF15K ..
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TDA7269SA
10W+10W STEREO AMPLIFIER WITH MUTE & ST-BY
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TDA7269SASeptember 2004
1FEATURES WIDE SUPPLY VOLTAGE RANGE UP TO
+20V SPLIT SUPPLY 10+10W @THD = 10%, RL= 8Ω, VS = ±14V NO POP AT TURN-ON/OFF MUTE (POP FREE) STAND-BY FEATURE (LOW Iq) SHORT CIRCUIT PROTECTION TO GND THERMAL OVERLOAD PROTECTION CLIPWATT 11 PACKAGE
2DESCRIPTIONThe TDA7269SA is class AB power amplifier assem-
bled in the @ Clipwatt 11 package, specially de-
signed for high quality sound application as Hi-Fi
music centers and stereo TV sets.
The TDA7269SA is pin to pin compatible with
TDA7269, TDA7269A, TDA7269ASA, TDA7265,
TDA7499, TDA7499SA.
10W+10W STEREO AMPLIFIER WITH MUTE & ST-BY
Figure 2. Block DiagramRev. 2
TDA7269SA
Table 2. Absolute Maximum Ratings
Figure 3. Pin Connection (Top view)
Table 3. Thermal Data
Figure 4. Single Supply Application
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TDA7269SA
Table 4. ELECTRICAL CHARACTERISTCS (Refer to the test circuit VS = ±14V; RL = 8Ω; RS = 50Ω; GV = 30dB, f = 1KHz; Tamb = 25°C, unless otherwise
specified)
(*) In mute condition the current drawn from Pin 5 must be ≤650µA
TDA7269SA MUTE STAND-BY FUNCTIONThe pin 5 (MUTE/STAND-BY) controls the amplifier status by two different thresholds, referred to +VS. When Vpin5 higher than = +VS -2.5V the amplifier is in Stand-by mode and the final stage generators
are off. When Vpin5 between = +VS -2.5V and VS -6V the final stage current generators are switched on and
the amplifier is in mute mode. When Vpin5 lower than = +VS -6V the amplifier is play mode.
Figure 5.
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TDA7269SA
Figure 6. Test and Application Circuit (Stereo Configuration) APPLICATION SUGGESTIONS
4.1 (Demo Board Schematic)The recommended values of the external components are those shown the demoboard schematic different val-
ues can be used, the following table can help the designer
Table 5. .(*) Closed loop gain has to be ≥25dB
TDA7269SA
4.2 PC Board
Figure 7. LC
Figure 8. LS
Figure 9. Component Layout
