SA7454
ABSOLUTE MAXIMUM RATINGS
Characteristics
Power Supply
Max. Voltage of Inverting Polarity
Output Pin Endurance Capability
Output Peak Current
Total Power Dissipation
Storage Temperature
Operating Ambient Temperature
Junction Temperature
Thermal Resistance from
Junction to Case
Symbol
V
s
V
s(r)
ERGo
I
osm
I
orm
P
tot
T
stg
T
amb
T
j
R
th(j-c)
SA7454H
SA7454
V
s
=0V
No repeat
Repeat
Conditions
Operating state
No signal
Rating
18
20
6
200
4
2.5
15
-55~+150
-40~+85
+150
8
15
Unit
V
V
mJ
A
W
°C
°C
°C
°C/W
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, V
s
=14.4V; R
L
=4Ω; f=1KHz; T
amb
=25°C)
Characteristics
Power Supply
Total Quiescent Current
Output DC Level
Output Power
Total Harmonic Distortion
Low Cut-Off Frequency
High Cut-Off Frequency
Closed Loop Gain
Supply Voltage Ripple Rejection
Ratio
Input Resistance
Output Noise
Channel Separation
Channel Balance
Thermal Protection
Mute Function
Mute/Play Threshold
Output DC Level When Mute
Stand-By Function
Stand-By/Mute Threshold
Stand-By Quiescent Current
Stand-By Bias Current
VT
ST-BY
Iq
ST-BY
Ib
ST-BY
0
--
--
--
3.0
15
2.0
100
40
V
μA
μA
VT
MUTE
V
o
3.3
--
--
--
6.4
2
V
mV
Symbol
V
s
I
q
V
o
P
o
THD
flr
fhr
Gv
Operating
SV
RR
Zi
Operating, Rs=0Ω
V
no
CS
CB
Tp
Operating, Rs=10Ω
Mute
Rs=0Ω
Mute
Stand-by
THD=0.5%
THD=10%
Po=1W
-3dB
-1dB
Test conditions
Min.
8.5
--
--
4
5.5
--
--
20
19
48
48
80
50
--
--
--
40
--
Typ.
14.4
40
7.00
4.7
6.0
0.1
45
--
20
--
--
--
60
50
70
50
--
0.1
150
Max.
18.0
80
--
--
--
--
--
--
21
--
--
--
75
--
100
--
--
1
dB
dB
°C
μV
kΩ
dB
Unit
V
mA
V
W
%
Hz
kHz
dB
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http://www.silan.com.cn
REV:1.0
2008.10.21
Page 2 of 5
SILAN [ SILAN MICROELECTRONICS JOINT-STOCK ]
