TDA7499 ,6 + 6W STEREO AMPLIFIER WITH MUTE & ST-BYELECTRICAL CHARACTERISTICS (Refer to the test circuit, V = + 14V; RS = 50Ω;SG = 30dB; f = 1KHz; T = ..
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TDA7499
6 + 6W STEREO AMPLIFIER WITH MUTE & ST-BY
TDA74996 + 6W STEREO AMPLIFIER WITH MUTE & ST-BY
WIDE SUPPLY VOLTAGE RANGE UP TO
±18V
6 + 6W @ 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
DESCRIPTIONThe TDA7499 is class AB dual Audio power am-
plifier assembled in the Multiwatt package, spe-
cially designed for high quality sound application
as Hi-Fi music centers and stereo TV sets.
Figure 1: Typical Application Circuit
ABSOLUTE MAXIMUM RATINGS
PIN CONNECTION (Top view)
THERMAL DATA
Figure 2: Single Supply Application
TDA7499
ELECTRICAL CHARACTERISTICS (Refer to the test circuit, VS = + 14V; RS = 50Ω;GV = 30dB; f = 1KHz; Tamb = 25°C, unless otherwise specified.)
TDA7499
MUTE STAND-BY FUNCTIONThe pin 5 (MUTE/STAND-BY) controls the ampli-
fier 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 is between +VS - 2.5V and +VS
- 6V the final stage current generators are
switched on and the amplifier is in mute
mode
- when Vpin5 is lower than +VS - 6V the am-
plifier is play mode.
Figure 3.
TDA7499
Figure 4: Test and Application Circuit (Stereo Configuration).
APPLICATIONS SUGGESTION(Demo Board Schematic)
The recommended values of the external compo-
nents are those shown are the demo board sche-
matic different values can be used: the following
table can help the designer.
(*) Closed loop gain has to be => 25dB
TDA7499
MULTIWATT11 PACKAGE MECHANICAL DATA
TDA7499
