三合微科股�½有限公司
S
AM
H
OP
Microelectronics Corp.
SM7183
ECHO
AC CHARACTERISTICS
( Vcc = 5.0V, f
in
= 1KHz, Vi = 100mVrms, f
ck
= 6MHz, Ta = 25 C, unless
otherwise noted )
Symbol
Icco
Gv
Vomax
THD
o
Parameter
Supply current
Voltage gain
Maximum output
voltage
Output distortion
Test Condition
Min. Typ. Max. Unit
60
100
2.5
mA
dB
Vrms
3.0
1.0
-60
-70
-25
%
%
dBV
dBV
dB
RL = 47K
Ω
THD = 10%
30KHz
L.P.F.
Echo mode
Surround mode
0.7
-0.5
1.2
1.5
0.3
-85
-90
-40
515 520
122 127
No
Output noise voltage
Power supply
rejection ratio
Mute time
Echo mode
DIN
Audio Surround mode
Vcc = -20dBV
f = 100Hz
Echo mode
Surround mode
PSRR
Tmute
525
msec
132
msec
DC CHARACTERISTICS
Symbol
Vcc
Icc
V
IH
V
IL
Parameter
Supply voltage
Supply current
"H" input voltage
"L" input voltage
Page 7
3V
1.5V
Limits
Min Typ Max
4.5
5
60
5.5
100
Unit
V
mA
V
V
V.2.0 MAR. 8, 2002
SAMHOP [ SAMHOP MICROELECTRONICS CORP. ]
