TDA7433 데이터 시트보기 (PDF) - STMicroelectronics
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TDA7433 Datasheet PDF : 10 Pages
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TDA7433
ELECTRICAL CHARACTERISTICS (Tamb = 25°C, VS = 9V, RL = 10kΩ, Rg = 50Ω,
all variable gains = 0dB, f = 1kHz, unless otherwise specified.)
Symbol
Parameter
INPUT SELECTOR
RIN
Input Resistance
VCL
Clipping Level
SIN
Input Separation
AMUTE Input Mute Attenuation
VDC
Mute DC Step
MUTE AT AM INPUT (*)
VIL
Input Low Voltage
VOLUME CONTROL
GMAX
Max. Gain
AMAX
Max Attenuation
Astep
Step Resolution
EA
Attenuation Set Error
ET
Tracking Error
VDC
DC Steps
BASS CONTROL
BRANGE Max. Bass boost
BCUT
Max. Bass cut
AStep
Step Resolution
RB
Internal Feedback Resistance
TREBLE CONTROL
CRANGE Control Range
Astep
Step Resolution
SPEAKER ATTENUATORS
CRANGE Control Range
Astep
Step Resolution
AMUTE Output Mute Attenuation
EA
Attenuation Set Error
VDC
DC Steps
AUDIO OUTPUTS
VCLIP
GOUT
RL
Clipping Level
Output Gain (fixed)
Output Load Resistance
CL
ROUT
VDC
Output Load Capacitance
Output Impedance
DC Voltage Level
Test Condition
d ≤ 0.3%
AM not selected
Note 2
G = +20 to -20dB
G = -20 to -60dB
G = -20 to -60dB
Adjacent Attenuation Steps,
Range from 0 to -79dB
From 0dB to -79dB
From 0 to -24dB
From 0 to -24dB
Adjacent Attenuation Steps
d = 0.3%
AC - connected
DC connected to GND
Min. Typ. Max. Unit
70
100 130
kΩ
1.3
1.6
Vrms
70
100
dB
70
95
dB
0.2
10
mV
0.4
V
30.5
32
33.5
dB
75
79
83
dB
0.5
1
1.5
dB
-1.0
0
+1.0 dB
-2
2
dB
2
dB
0.1
4
mV
0.5
10
mV
15.5
18
20
dB
-20
-18 15.5
dB
1
2
3
dB
48
65
82
kΩ
±13 ±14 ±15
dB
1
2
3
dB
36
37.5
39
dB
0.5
1
1.5
dB
70
90
dB
1
dB
0.1
4
mV
2
2.5
Vrms
4
dB
3
kΩ
5
10
nF
30
100
Ω
3.7
4.0
4.3
V
(*) The mute function can be activated without using the I2C bus by grounding the AM input when AM is not selected. This causes the input
multiplexer to select the reference voltage instead of an input signal.
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