Mute and standby modes
4
Mute and standby modes
TDA7264
Pin 4 (MUTE/STANDBY) controls the amplifier status by two different thresholds referenced
to +VS as given in Table 5 below. See also Table 4: Electrical specifications on page 3.
Table 5. Mute and standby thresholds on pin 5
Nominal voltage on pin 4,
VPIN4
Mode
Remarks
> +VS - 2.5 V
> +VS - 6.0 V, < +VS - 2.5 V
< +VS - 6.0 V
Standby
Mute
Play
Output stages turned off
Output stages turned on, amplifiers muted
Amplifiers active
Figure 11. Mute and standby thresholds on pin 4
+VS
(V)
20
t
-VS
-20
VIN
(mV)
Vpin4
(V)
VS
VS-2.5
VS-6
VS-10
Iq
(mA)
0
VOUT
(V)
OFF
PLAY
STDBY PLAY
OFF
STDBY
STDBY
MUTE D94AU084 MUTE
MUTE
MUTE
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Doc ID 1477 Rev 6