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TDA7449 数据表(PDF) 4 Page - STMicroelectronics

部件名 TDA7449
功能描述  TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSOR
PDF  17 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7449 数据表(HTML) 4 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS (continued.)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
AUDIO OUTPUTS
VCLIP
Clipping Level
d = 0.3%
2.1
2.6
VRMS
RL
Output Load Resistance
2
K
Ω
RO
Output Impedance
10
40
70
Ω
VDC
DC Voltage Level
3.8
V
GENERAL
ENO
Output Noise
All gains = 0dB;
BW = 20Hz to 20KHz flat
515
µV
Et
Total Tracking Error
AV = 0 to -24dB
0
1
dB
AV = -24 to -47dB
0
2
dB
S/N
Signal to Noise Ratio
All gains 0dB; VO =1VRMS ;
106
dB
SC
Channel Separation Left/Right
80
100
dB
d
Distortion
AV =0; VI =1VRMS ;
0.01
0.08
%
BUS INPUT
VIL
Input Low Voltage
1V
VIH
Input High Voltage
3
V
IIN
Input Current
VIN = 0.4V
-5
5
µA
VO
Output Voltage SDA
Acknowledge
IO = 1.6mA
0.4
0.8
V
TDA7449
4/17



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