KA9270 Просмотр технического описания (PDF) - Samsung
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KA9270 Datasheet PDF : 7 Pages
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KA9270
AUDIO FILTER
ABSOLUTE MAXIMUM RATINGS (Ta = 25°C)
Characteristic
Supply Voltage
Power Dissipation
Operating Temperature
Storage Temperature
Symbol
VCC
PD
TOPR
TSTG
Value
16
550
-20 ~ + 75
-45 ~ + 150
Unit
V
µW
°C
°C
ELECTRICAL CHARACTERISTICS
(Ta = 25°C, VCC = 8V, f = 1KHz, RL = 10KΩ, De-emphasis; off, Mute; off, S1 & S2; off, unless otherwise specified)
Characteristic
Symbol
Test Conditions
Min
Quiescent Circuit Current
Maximum Output Voltage
Total Harmonic Distortion
Frequency Characteristics
Cross Talk
Signal to Noise Ratio
Channel Balance
Open Loop Gain
Gain Adjusting Range
Mute Attenuation Ratio
De-emphasis
ICC
VOM
THD
fv
CT
S/N
CB
GVO
GVR
ATTMUTE
DEEMPH
VI = 0
THD = 1%
f = 100Hz
f = 1KHz
VO = 0dBm
f = 10KHz
f = 16KHz
f = 20KHz
f = 100Hz
f = 1KHz
VO = 6dBm
f = 10KHz
f = 16KHz
f = 20KHz
f = 100Hz
VO = 0dBm
f = 1KHz
f = 10KHz
VO = 0dBm, RG = 600Ω
20KHz LPF
VO = 0dBm
VI = 900mVrms
VI = 900mV, S1, S2; ON
VI = 900mV, Mute SW; ON
f = 1KHz
De-emphasis: ON f = 5KHz
f = 16KHz
Note: De-emphasis input conditions: VO = 0dBm
De-emphasis off position
1
1.8
-0.1
0
-0.5
-1.0
-1.5
70
65
60
73
-1.0
-2.6
4.5
40
-0.87
-6.03
-10.53
Typ
4
2.1
0.01
0.01
0.05
0.1
0.1
0
0
0
0
0
80
75
65
80
0
-0.6
6
50
-0.37
-4.53
-9.03
Max
6
0.05
0.05
0.1
0.2
0.2
0.1
0
0.5
1.0
1.5
1.0
1.0
0.13
-3.03
-7.53
Unit
mA
Vrms
%
dB
dB
dB
dB
dB
dB
dB
dB
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