參數(shù)資料
型號(hào): 7442
廠商: Fairchild Semiconductor Corporation
英文描述: BCD to Decimal Decoder
中文描述: BCD碼的十進(jìn)制譯碼器
文件頁(yè)數(shù): 4/16頁(yè)
文件大?。?/td> 218K
代理商: 7442
ELECTRICAL CHARACTERISTICS
(refer to the test circuit T
amb
= 25°C, V
S
= 9V, R
L
= 10K
,
V
in
= 1Vrms; R
G
= 600
, all controls flat (G = 0dB), Effect Ctrl = -6dB, MODE = OFF; f = 1KHz
unless otherwise specified)
Symbol
SUPPLY
Parameter
Test Condition
Min.
Typ.
Max.
Unit
V
S
I
S
SVR
Supply Voltage
Supply Current
Ripple Rejection
7
10
60
9
10.2
26
V
18
80
mA
dB
L
CH
/ R
CH out
, Mode = OFF
INPUT STAGE
R
IN
V
CL
C
RANGE
A
VMIN
A
VMAX
A
STEP
Input Resistance
Clipping Level
Control Range
Min. Attenuation
Max. Attenuation
Step Resolution
35
2
50
2.5
31.5
0
31.5
0.5
65
K
Vrms
dB
dB
dB
dB
THD = 0.3%
-1
31
1
32
1
BASS CONTROL
Gb
B
STEP
R
B
Control Range
Step Resolution
Internal Feedback Resistance
Max. Boost/cut
+11.5
1
32
+14.0
2
44
+16.0
3
56
dB
dB
K
TREBLE CONTROL
Gt
T
STEP
Control Range
Step Resolution
Max. Boost/cut
+13.0
1
+14.0
2
+15.0
3
dB
dB
EFFECT CONTROL
C
RANGE
S
STEP
Control Range
Step Resolution
- 21
0.5
- 6
1.5
dB
dB
1
SURROUND SOUND MATRIX PHASE
R
PS10
Phase Shifter 1: D1 = 0, D0 = 0
R
PS11
Phase Shifter 1: D1 = 0, D0 = 1
R
PS12
Phase Shifter 1: D1 = 1, D0 = 0
R
PS13
Phase Shifter 1: D1 = 1, D0 = 1
SURROUND SOUND MATRIX
TEST CONDITION (Phase Resistor Selection D0=0, D1=1, D2=0. D3=1, D4=0, D5=1, D6=0, D7=1
8.3
10
12.6
26.4
11.8
14.1
17.9
37.3
15.2
18.3
23.3
48.85
K
K
K
K
Symbol
G
OFF
Parameter
Test Condition
Mode OFF, Input signal of
1kHz, 1.4 V
p-p
, R
in
R
out
L
in
L
out
Mode OFF, Input signal of
1kHz, 1.4 V
p-p
R
in
R
out
, L
in
L
out
Music mode, Effect Ctrl = -6dB
Input signal of 1kHz, 1.4 V
p-p
(R
in
R
out
), (L
in
L
out
)
Music mode, Effect Ctrl = -6dB
Input signal of 1kHz, 1.4 V
p-p
(R
in
R
out
) - (L
in
L
out
)
Min.
-1
Typ.
0
Max.
1
Unit
dB
In-phase Gain (OFF)
D
GOFF
LR In-phase Gain Difference
(OFF)
-1
0
1
dB
G
MUS
In-phase Gain (Music)
7
dB
D
GMUS
LR In-phase Gain Difference
(Music)
0
dB
TDA7442 - TDA7442D
4/16
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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