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参数资料
| 型号： | A7240 |
| 厂商： | 友顺科技股份有限公司 |
| 英文描述： | 20W BRIDGE AMPLIFIER FOR CAR RADIO |
| 中文描述： | 车内广播20瓦桥式放大器 |
| 文件页数： | 3/6页 |
| 文件大小： | 115K |
| 代理商： | A7240 |
A7240
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 6
QW-R107-048,A
ABS OLUT E MAX IMUM RAT INGS
PARAMETER
SYMBOL
V
SS
V
SS
V
SS(PEAK)
I
O(PEAK)
(*)
I
O(PEAK)
(*)
P
D
T
STG
, T
J
RATINGS
18
28
40
4.5
3.5
16
-40~+150
UNIT
V
V
V
A
A
W
°
C
Operating Supply Voltage
DC Supply Voltage
Peak Supply Voltage (for 50ms)
Peak Output Current (non repetitive t = 0.1ms)
Peak Output Current (repetitive f .10Hz)
Power Dissipation at T
C
= 85°C
Storage and Junction Temperature
Note Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
(*) Internally limited
T HERMAL DAT A
PARAMETER
SYMBOL
θ
JC
RATINGS
4
UNIT
V
Thermal Resistance Junction-case
ELECT RICAL CHARACT ERIST ICS
(Ta = 25°C, R
TH
(heatsink)= 4°C/W, V
SS
= 14.4V)
PARAMETER
SYMBOL
Supply Voltage
V
SS
Output Offset Voltage
V
O(OFF)
Total Quiescent Current
I
Q
R
L
=4
TEST CONDITIONS
MIN TYP MAX UNIT
65
18
20
10
12
0.1
0.05
39.5
40
35
40
2
3
65
70
28
88
25
200
70
90
18
150
120
V
mV
mA
R
L
=4
R
L
=8
R
L
=4
R
L
=8
Output Power
P
OUT
f = 1kHz, d= 10%
W
0.5
0.5
40.5
Distortion
THD
f = 1kHz, P
OUT
= 50MW ~ 12W
%
Voltage Gain
Supply Voltage Rejection
G
V
SVR
f = 1KHz
f = 100Hz, Rg = 10K
dB
dB
B= Curve A
B = 22Hz~22KHz
Total Input Noise
eN
Rg = 10K
10
129
μV
Efficiency
Input Resistance
Input Sensitivity
η
R
IN
V
IN
f
L
f
H
R
L
=4
, f = 1KHz
f = 1kHz
f = 1kHz, P
OUT
= 2W, R
L
=4
%
k
mV
Hz
kHz
V
μA
dB
Low
High
Frequency Roll Off (-3dB)
P
OUT
= 15W, R
L
=4
Stand-by Threshold
Stand-by Current
Stand-by Attenuation
V
THD (PIN2)
I
STN-BY
A
STN-BY
1
V
OUT
= 2Vrms
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