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TDA7440 데이터시트(PDF) 4 Page - STMicroelectronics

부품명 TDA7440
상세설명  TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSOR
PDF  17 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7440 데이터시트(HTML) 4 Page - STMicroelectronics

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TDA7440D
4/17
Figure 4. Test Circuit
AUDIO OUTPUTS
VCLIP
Clipping Level
d = 0.3%
2.1
2.6
Vrms
RL
Output Load Resistance
2
K
Ω
RO
Output Impedance
10
30
50
Ω
VDC
DC Voltage Level
3.5
3.8
4.1
V
GENERAL
ENO
Output Noise
All gains = 0dB;
5
15
µV
BW = 20Hz to 20KHz flat
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
95
106
dB
SC
Channel Separation Left/Right
80
100
dB
dDistortion
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
0
5
µA
VO
Output Voltage SDA
Acknowledge
IO = 1.6mA
0.4
0.8
V
Table 5. Electrical Characteristcs (continued)
Refer to the test circuit Tamb = 25°C, VS = 9V, RL = 10KΩ, RG = 600Ω, all controls flat (G = 0dB), unless
otherwise specified.
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
10
µF
5.6nF
100nF
100nF
5.6K
2.2
µF
5.6nF
2.2
µF
100nF
100nF
5.6K
0.47
µF
0.47
µF
0.47
µF
0.47
µF
0.47
µF
0.47
µF
0.47
µF
0.47
µF
0/30dB
2dB STEP
MUXOUTL
INL
VOLUME
VOLUME
TREBLE
TREBLE
TREBLE(L)
MUXOUTR
INR
TREBLE(R)
BOUT(L)
SPKR ATT
LEFT
LOUT
SCL
SDA
DIG_GND
ROUT
D98AU885
I
2CBUS DECODER + LATCHES
100K
100K
100K
100K
G
L-IN1
L-IN2
L-IN3
L-IN4
100K
100K
100K
100K
R-IN1
R-IN2
R-IN3
R-IN4
G
INPUT MULTIPLEXER
+ GAIN
BASS
BIN(L)
BASS
SPKR ATT
RIGHT
BOUT(R)
BIN(R)
SUPPLY
CREF
AGND
VS
27
4
5
6
7
3
2
1
28
21
22
20
26
24
25
10
11
19
12
13
23
8
9
18
14
15
RB
RB
VREF



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