TDA7497 ST Microelectronics, TDA7497 Datasheet - Page 5

• Manufacturer Part Number: TDA7497
• Description: 10 + 10W STEREO AMPLIFIER WITH MUTE/ST-BY
• Manufacturer: ST Microelectronics

MUTE STAND-BY FUNCTION
The pin 4 (MUTE/STAND-BY) controls the ampli-
fier status by two different thresholds, referred to
+V
Figure 4: Attenuation & Total Quiescent Current vs. V
S
.
- When V
amplifier is in Stand-by mode and the final
stage generators are off
V
VOUT
pin4
V
Vpin4
(mV)
(mA)
V
+V
-V
-20
S
(V)
V
(V)
(V)
V
S
20
I
-2.5
S-
0
-10
IN
q
S
S
S
6
STDBY
higher than = +V
OFF
MUTE
S
D94AU084
PLAY
- 2.5V the
MUTE
pin4
STDBY
Voltage
MUTE
- when V
- when V
- 6V the final stage current generators are
switched on and the amplifier is in mute
mode
plifier is play mode.
PLAY
pin4
pin4
MUTE
is lower than +V
is between +V
OFF
STDBY
S
t
- 2.5V and +V
S
- 6V the am-
TDA7497
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S