SC7422 查看數據表（PDF） - Silan Microelectronics
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SC7422 Datasheet PDF : 8 Pages
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SC7422
ABSOLUTE MAXIMUM RATING
Characteristics
Symbol
Rating
Unit
Supply Voltage
VCC
0 ~7
V
Maximum Input Voltage For Any Pin
Vin(max)
-0.3 ~ VCC +0.3
V
Maximum Input Current For Each Input
Iin(max)
-10 ~+10
mA
Pin (*)
Operating Ambient Temperature
Tamb
-40 ~+85
°C
Storage Temperature
Tstg
-65 ~+150
°C
Thermal Resistance From Junction To
©JA
Ambient
88.8 (**)
°C/W
Thermal Resistance From Junction To Case
©JC
26 (**)
°C/W
(*) Maximum instantaneous input current for any pin must be less than 100mA, so that the CMOS latch-up effect
can be avoided.
(**) Ambient Temperature: Tamb=25°C.
ELECTRICAL CHARACTERISTICS
(Refer to the test circuit, VCC=5V; f=22Hz~22KHz; Tamb=25°C, unless otherwise specified.)
Characteristics
Symbol
Test conditions
Min. Typ. Max. Unit
Supply Voltage
VCC
3
5
6
V
BTL
8
10
14
mA
Quiescent Operation Current
Is
SE
6
8
12
mA
Shutdown = ON
0.2 0.7
1
µA
THD=1%, RL=8Ω
1.0 1.1 1.1
Output Power
THD=10%, RL=8Ω
1.2 1.4 1.6
BTL
W
THD=1%, RL=4Ω
1.4 1.6 1.8
Po
THD=10%, RL=4Ω
1.8 2.0 2.1
THD=1%, RL=32Ω
80
85
90
SE
mW
THD=10%, RL=32Ω 100 110 120
Total Harmonic
Distortion
THD
Po=0.2W, RL=4Ω
BTL
Po=1W, RL=4Ω
0.03 0.05 0.07
%
0.06 0.08 0.15
%
SE Po=50mW, RL=32Ω 0.03 0.05 0.07
%
Volume Control Range
DC Vol = 5V, F = 1kHz
Vatt
DC Vol = 17%Vcc
-1
0
+1
dB
-44 -45 -46
Volume Control Step
Vstep Vatt = 0 ~ -45dB
1.3 1.5 1.7
dB
Mute
Mute DC Vol = 0V
-85 -88 -90
dB
Channel Balance
CB
Rin = Rf = 20kΩ
-1
0
+1
dB
Channel Separate
BTL
CS
F=1kHz
SE
85
88
91
dB
77
80
83
Signal-to-Noise Ratio
SNR
85
90
91
dB
Output Noise Voltage
Vno
25
40
50
µV
(To be continued)
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.0 2006.11.13
Page 2 of 8
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