參數(shù)資料
型號: 7442
廠商: Fairchild Semiconductor Corporation
英文描述: BCD to Decimal Decoder
中文描述: BCD碼的十進制譯碼器
文件頁數(shù): 2/16頁
文件大?。?/td> 218K
代理商: 7442
L-IN1
4
5
6
7
3
2
1
28
10
11
16
24
25
23
19
12
13
26
20
22
21
27
15
14
18
17
9
8
L-R
0.47
μ
F
SUPPLY
VS
A
CREF
TREBLE
BASS
BIN(L)
MUTE
D01AU1248
I2C BUS DECODER + LATCHES
SPKR
ATT
TREBLE
BASS
5.6nF
MUTE
SPKR
ATT
SCL
SDA
DIG GND
ROUT
LOUT
22
μ
F
+
-
+
-
+
R-IN4
0.47
μ
F
50K
PS1
90Hz
100nF
PS1
RPS1
SYMULATED
MUSIC
MUSIC/
SYMULATED
OFF
MIXING
AMP
LPF
9KHz
EFFECT
CONTROL
MIXING
AMP
1.2nF
LP
TREBLE-R
5.6nF
TREBLE-L
100nF
5.6K
100nF
BOUT(L)
100nF
100nF
5.6K
BIN(R)
BOUT(R)
79dB CONTROL
+
-
+
-
79dB CONTROL
50K
0.47
μ
F
50K
0.47
μ
F
50K
0.47
μ
F
50K
0.47
μ
F
50K
0.47
μ
F
50K
0.47
μ
F
50K
31.5dB
control
R-IN3
R-IN2
R-IN1
31.5dB
control
L-IN2
L-IN3
L-IN4
Vref
OFF
SURR
OFF
SURR
RB
FIX
FIX
VAR
RB
FIX
VAR
L+R
30K
30K
2.2
μ
F
2.2
μ
F
MUXOUT(R)
I
MUXOUT(L)
I
BLOCK DIAGRAM (TDA7442D)
L-IN1
5
6
7
8
2
1
32
31
4
11
13
18
27
28
26
22
14
13
29
23
25
24
30
17
16
20
19
3
10
9
L-R
0.47
μ
F
SUPPLY
VS
A
CREF
TREBLE
BASS
BIN(L)
MUTE
D98AU947B
I2C BUS DECODER + LATCHES
SPKR
ATT
TREBLE
BASS
5.6nF
MUTE
SPKR
ATT
SCL
SDA
DIG GND
ROUT
LOUT
22
μ
F
+
-
+
-
+
R-IN4
0.47
μ
F
50K
PS1
90Hz
100nF
PS1
RPS1
SYMULATED
MUSIC
MUSIC/
SYMULATED
OFF
MIXING
AMP
LPF
9KHz
EFFECT
CONTROL
MIXING
AMP
1.2nF
LP
TREBLE-R
5.6nF
TREBLE-L
100nF
5.6K
100nF
BOUT(L)
100nF
100nF
5.6K
BIN(R)
BOUT(R)
79dB CONTROL
+
-
+
-
79dB CONTROL
50K
0.47
μ
F
50K
0.47
μ
F
50K
0.47
μ
F
50K
0.47
μ
F
50K
0.47
μ
F
50K
0.47
μ
F
50K
31.5dB
control
R-IN3
R-IN2
R-IN1
31.5dB
control
L-IN2
L-IN3
L-IN4
Vref
OFF
SURR
OFF
SURR
RB
FIX
FIX
VAR
RB
FIX
VAR
L+R
30K
30K
2.2
μ
F
2.2
μ
F
MUXOUT(R)
I
MONITOR(L)
MONITOR(R)
MUXOUT(L)
I
BLOCK DIAGRAM (TDA7442)
TDA7442 - TDA7442D
2/16
相關(guān)PDF資料
PDF描述
7446A BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS
7446A BCD to 7-Segment Decoders/Drivers
7446A BCD to 7-Segment Decoders/Drivers
7447 BCD TO 7-SEGMENT DECODER-DRIVER(Low=on, 40-mA, 30-Volt Outputs)
7448 Dcvice converts BCD input data into control signals for 7-segment displays
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