SM7347 Ver la hoja de datos (PDF) - Samhop Mircroelectronics
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SM7347 Datasheet PDF : 15 Pages
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SAMHOP Microelectronics Corp.
6 CHANNELS VOLUME CONTROLLER
SM7347
ELECTRICAL CHARACTERISTICS
( Ta=25℃,AVDD=7.0V, AVSS=-7.0V, DVDD=5.0V, f=1kHz, unless otherwise noted. Rg=1KΩ, Rl=10KΩ,
VOLUME are set to 0dB/FLAT )
(1)Power Supply Characteristics
Parameter
Analog positive circuit
current
Analog negative circuit
current
Digital circuit current
Symbol
Aldd
Alss
Dldd
Test condition
Limits
Min typ Max
Unit
Current at pin 5
No signal input
－
Current at pin 29,30
－
No signal input
24
35
mA
24
35
mA
Current at pin 42
No signal input
－
1.0 2.0
mA
(2)Input／Output Characteristics
Parameter
Symbol
Input resistance
Maximum output
voltage
Pass gain
Ri
VOM
Gv
Distortion
THD
Output noise
voltage
Vn(VOL)
Signal to noise ratio
S/N
Maximum
attenuation
Volume gain
between channels
Crosstalk between
channels
ATTmax
Dvol
CT
Port output current
IL
Test condition
6,8,9,11,16,18pin
6,8,9,11,16,18pin INPUT
31~36pin OUTPUT, THD=1%
Vi=0.2Vrms,FLAT
6,8,9,11,16,18pin INPUT
31~36pin OUTPUT
BW=400~30kHz
Vi=0.2Vrms,RL=10KΩ
31~36pin
JIS-A,VOL=OdB
all gains=0dB; Vo=1Vrms
31~36 pin
JIS-A,VOL=-∞dB
Vo=0.5Vrms,RL=10KΩ,
JIS-A, Rg=1KΩ
RL=22KΩ
Limits
Unit
Min typ Max
35 70 150 KΩ
3.0 4.2 － Vrms
-2.0 0 2.0 dB
－ 0.004 0.09 %
－
4
6 μVrms
－ 98 105 dB
－ -100 -95 dB
-1.5 0 1.5 dB
－ -100 -75 dB
0.2 － － mA
Page 11
MAY.2003
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