SM 7181
ECHO
SAMHOP Microelectronics Corp.
AC CHARACTERISTICS
o
(Vcc=5.0V,fin=1KHz,Vi=100mVrms,fck=4M Hz,Ta=25 C,unless
otherwisednoted)
SYM BOL
Icco
PARAM ETER
Sypplycurrent
Voltagegain
Testcondition
M in Typ M ax Unit
60 100 mA
-0.5 2.5 dB
RL =47K Ω
Gv
M aximum output
voltage
THD =10%
0.7 1.2
Vrms
Vomax
1.5 3.0 %
0.3 1.0 %
Echomode
Surroundmode
Echomode
30KHz
L.P.F.
Outputdisortion
THD
No
-85 -60 dBV
-90 -70 dBV
DIN
Audio
Outputnoisevoltage
Surroundmode
Vcc=-20dBV
Powersupply
rejectionratio
-40 -25 dB
PSRR
f=100Hz
Echomode
515 520 525 msec
122 127 132 msec
M utetime
Tmute
Surroundmode
DC CHARACTERISTICS
Limits
Symbol
Parameter
Unit
M in Typ M ax
4.5 5 5.5
60 100
Vcc
Icc
Supplyvoltage
Supplycurrent
V
mA
V
"H"inputvoltage
"L"inputvoltage
V
V
IH
IL
3V
1.5V
V
Page5
SAMHOP [ SAMHOP MICROELECTRONICS CORP. ]
