SA7267 Datasheet, PDF (2/10 Pages) Silan Microelectronics Joint-stock – 2CH AUDIO POWER AMPLIFIER(20W X 2)

SA7267
ABSOLUTE MAXIMUM RATING
Characteristics
Symbol
Rating
Unit
DC Supply Voltage
Vs
40
V
Output Peak Current (Internally Limited)
Io
3
A
Power Dissipation Tcase=70°C
Ptot
40
W
Storage And Junction Temperature
Tstg, Tj
-40~+150
°C
Supply voltage to guarantee short-circuit
Vs(sc)
±18(*)
V
protection
Thermal Resistance From Junction To
Case (Max)
Rth(j-c)
2
°C/W
(*)Maximum supply voltage to guarantee short-circuit to ±Vs is ±18V, and to GND short-circuit protection is
normal.
ELECTRICAL CHARACTERISTICS
(Refer to the test circuit, Vs=±15V; RL=4Ω; Rs=50Ω; Gv=30dB; f=1KHz; Tamb=25°C, unless otherwise specified.)
Characteristics
Symbol
Test conditions
Min. Typ. Max. Unit
Supply Range
Vs
±5
±20
V
Total Quiescent Current
Iq
50
100 mA
Input Offset Voltage
Vos
-25
+25 mV
In-phase Input Bias Current
Ib
500
nA
THD=10%;
Output Power
Po RL=4Ω;
20
W
RL=8Ω
12.5
W
RL=8Ω; Po=1W; f=1KHz
0.03
%
RL=8Ω;
0.7
%
Po=0.1~5W;
f=100Hz~15KHz
Total Harmonic Distortion
THD
RL=4Ω; Po=1W; f=1KHz
0.02
%
RL=4Ω;
1
%
Po=0.1~5W;
f=100Hz~15KHz
Cross Talk
f=1KHz
CT
f=10KHz
70
dB
50
60
dB
Slew Rate
SR
6.5
8
V/µs
Open Loop Voltage Gain
GV
80
dB
Total Noise Input Voltage
A curve
eN
f=20Hz~22KHz
3
µV
4
8
µV
Input Resistance
Ri
15
20
KΩ
Supply Voltage Rejection (each
SVR Fr=100Hz; Vripple=0.5Vrms
60
dB
channel)
(To be continued)
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.1 2006.05.25
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