TDA2052 ST Microelectronics, TDA2052 Datasheet - Page 8

• Manufacturer Part Number: TDA2052
• Description: 60W Hi-Fi AUDIO POWER AMPLIFIER WITH MUTE / STAND-BY
• Manufacturer: ST Microelectronics

TDA2052
MUTE/STAND-BY FUNCTION
The pin 3 (MUTE/STAND-BY) controls the ampli-
fier status by three different thresholds, referred
to -V
When its voltage is lower than the first threshold
(1V, with a +70mV hysteresis), the amplifier is in
STAND-BY and all the final stage current gener-
Figure 15.
8/13
S
.
ators are off. Only the input MUTE stage is on in
order to prevent pop-on problems.
At V
are switched on and the amplifier operates in
MUTE.
For V
(PLAY condition)
pin3
pin3
=1.8V the final stage current generators
=2.7V the amplifier is definitely on