SM7346 Datasheet, PDF (12/18 Pages) SamHop Microelectronics Corp. – 6 CHANNELS VOLUME CONTROLLER

SAMHOP Microelectronics Corp.
6 CHANNELS VOLUME CONTROLLER
SM7346
ELECTRICAL CHARACTERISTICS
( Ta=25℃,AVDD=7.0V, AVSS=-7.0V, DVDD=5.0V, f=1kHz, unless otherwise noted. Rg=1KΩ, Rl=10KΩ,
TONE CONTROL, VOLUME are set to 0dB/FLAT )
(1)Power Supply Characteristics ( Pin count base on 42pin version )
Parameter
Analog positive circuit
current
Analog negative circuit
current
Digital circuit current
Symbol
Aldd
Alss
Dldd
Test condition
Current at pin 5
No signal
Current at pin 30
No signal
Current at pin 42
No signal
Limits
Min typ Max
Unit
－
24
35
mA
　
－
24
35
mA
－
1.0 2.0
mA
(2)Input^／Output Characteristics ( Pin count base on 42pin version )
Parameter
Input resistance
Symbol
Ri
Test condition
13,15,16,17,27,29pin
Limits
Unit
Min typ Max
35 70 150 KΩ
Maximum output
voltage
Pass gain
VOM
Gv
Distortion
Output noise
voltage
THD
Vn(VOL)
Vn(tone)
6,8,9,11,13,15,16,17pin INPUT
31~36pin OUTPUT, THD=1%
Vi=0.2Vrms,FLAT
6,8,9,11,13,15,16,17pin INPUT
31~36pin OUTPUT
BW=400~30kHz
Vi=0.2Vrms,RL=10KΩ
31~36pin
JIS-A,VOL=OdB
31,32pin
JIS-A,VOL=0dB
　_{3.0 4.2} － _Vrms
-2.0 0 2.0 dB
－ 0.004 0.09 %
－
4
6 μVrms
－ 8 20 μVrms
Signal to noise ratio
S/N
all gains=0dB; Vo=1Vrms
－ 98 105 dB
Maximum
attenuation
Volume gain
between channels
Crosstalk between
channels
ATTmax
Dvol
CT
31~36 pin
JIS-A,VOL=-^∞dB
Vo=0.5Vrms,RL=10KΩ,
JIS-A, Rg=1KΩ
－ -92 -86 dB
-1.5 0 1.5 dB
－ -100 -80 dB
Port output current
IL
RL=22KΩ
0.2 － － mA
Page 12
MAY.2003