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参数资料
| 型号： | TDA7433D |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频控制 |
| 英文描述： | TONE CONTROL CIRCUIT, PDSO20 |
| 封装： | SO-20 |
| 文件页数： | 5/10页 |
| 文件大小： | 65K |
| 代理商： | TDA7433D |
ELECTRICAL CHARACTERISTICS (Tamb =25
°C, VS = 9V, RL = 10k,Rg =50,
all variable gains = 0dB, f = 1kHz, unless otherwise specified.)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
INPUT SELECTOR
RIN
Input Resistance
70
100
130
k
VCL
Clipping Level
d
≤ 0.3%
1.3
1.6
Vrms
SIN
Input Separation
70
100
dB
AMUTE
Input Mute Attenuation
70
95
dB
VDC
Mute DC Step
0.2
10
mV
MUTE AT AM INPUT (*)
VIL
Input Low Voltage
AM not selected
0.4
V
VOLUME CONTROL
GMAX
Max. Gain
Note 2
30.5
32
33.5
dB
AMAX
Max Attenuation
75
79
83
dB
Astep
Step Resolution
0.5
1
1.5
dB
EA
Attenuation Set Error
G = +20 to -20dB
-1.0
0
+1.0
dB
G = -20 to -60dB
-2
2
dB
ET
Tracking Error
G = -20 to -60dB
2
dB
VDC
DC Steps
Adjacent Attenuation Steps,
Range from 0 to -79dB
0.1
4
mV
From 0dB to -79dB
0.5
10
mV
BASS CONTROL
BRANGE
Max. Bass boost
15.5
18
20
dB
BCUT
Max. Bass cut
-20
-18
15.5
dB
AStep
Step Resolution
1
2
3
dB
RB
Internal Feedback Resistance
48
65
82
k
TREBLE CONTROL
CRANGE
Control Range
±13
±14
±15
dB
Astep
Step Resolution
1
2
3
dB
SPEAKER ATTENUATORS
CRANGE
Control Range
36
37.5
39
dB
Astep
Step Resolution
From 0 to -24dB
0.5
1
1.5
dB
AMUTE
Output Mute Attenuation
From 0 to -24dB
70
90
dB
EA
Attenuation Set Error
1
dB
VDC
DC Steps
Adjacent Attenuation Steps
0.1
4
mV
AUDIO OUTPUTS
VCLIP
Clipping Level
d = 0.3%
2
2.5
Vrms
GOUT
Output Gain (fixed)
4
dB
RL
Output Load Resistance
AC - connected
3
k
DC connected to GND
5
CL
Output Load Capacitance
10
nF
ROUT
Output Impedance
30
100
VDC
DC Voltage Level
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.
TDA7433
4/10
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