SM7346A View Datasheet(PDF) - Samhop Mircroelectronics

Part Name

Description

Manufacturer

SM7346A

6 CHANNELS VOLUME CONTROLLER

Samhop Mircroelectronics 

SAMHOP Microelectronics Corp.

6 CHANNELS VOLUME CONTROLLER

SM7346A

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

Rin

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=0dB

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

－ -100 -95 dB

-1.5 0 1.5 dB

－ -100 -80 dB

Port output current

IL

RL=22KΩ

0.2 － － mA

Page 13

MAY.2003

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