SM7181 데이터 시트보기 (PDF) - Samhop Mircroelectronics

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SM7181

ECHO

Samhop Mircroelectronics 

三合微科股份有限公司

SAMHOP Microelectronics Corp.

SM7181

ECHO

AC CHARACTERISTICS

( Vcc = 5.0V, f in = 1KHz, Vi = 100mVrms, fck = 4MHz, Ta = 25 C, unloess

otherwised noted )

SYMBOL

Icco

Gv

Vomax

THD

No

PSRR

Tmute

PARAMETER

Sypply current

Voltage gain

Maximum output

voltage

Output disortion

Output noise voltage

Power supply

rejection ratio

Mute time

Test condition

Min Typ Max Unit

60 100 mA

RL = 47K Ω

-0.5 2.5 dB

THD = 10%

0.7 1.2

Vrms

30KHz Echo mode

L.P.F. Surround mode

DIN Echo mode

Audio Surround mode

Vcc = -20dBV

f = 100Hz

Echo mode

Surround mode

1.5 3.0 %

0.3 1.0 %

-85 -60 dBV

-90 -70 dBV

-40 -25 dB

515 520 525 msec

122 127 132 msec

DC CHARACTERISTICS

Symbol

Vcc

Icc

V IH

V IL

Parameter

Supply voltage

Supply current

"H" input voltage

"L" input voltage

Limits

Unit

Min Typ Max

4.5 5 5.5

V

60 100

mA

3V

V

1.5V V

Page 5

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