TDA7266MA Ver la hoja de datos (PDF) - STMicroelectronics
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TDA7266MA Datasheet PDF : 9 Pages
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TDA7266MA
ELECTRICAL CHARACTERISTCS (continued)
(VCC = 11V, RL = 8Ω, f = 1KHz, Tamb = 25°C unless otherwise specified)
Symbol
Parameter
Test Condition
VTMUTE Mute Threshold
for VCC > 6.4V; Vo = -30dB
for VCC < 6.4V; Vo = -30dB
VTST-BY
IST-BY
eN
St-by Threshold
St-by Current V6 = GND
Total Output Voltage
A Curve; f = 20Hzto 20KHz
Min. Typ. Max. Unit
2.3
2.9
4.1
V
VCC/2 VCC/2 VCC/2
V
-1
-075 -0.5
0.8
1.3
1.8
V
100
µA
150
µV
APPLICATION SUGGESTION
STAND-BY AND MUTE FUNCTIONS
Figure 2. Microprocessor Driving Signals
+VS(V)
+18
VIN
(mV)
VMUTE/
STBY
pin 5
4.1
2.9
2.3
1.0
0.75
0.5
Iq
(mA)
VOUT
(V)
OFF
ST-BY
MUTE
PLAY
MUTE
ST-BY
OFF
D03AU1461
The St-by and mute terminals are tied together and they are connected to the supply line via an external voltage
divider.
The device is switched-on/off from the supply line and the external capacitor C4 is intended to delay the St-by
and mute threshold exceeding, avoiding "Popping" problems.
3/9
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