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參數(shù)資料
| 型號(hào)： | LA4708 |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 30 W, 2 CHANNEL, AUDIO AMPLIFIER, SFM18 |
| 封裝： | SIP-18 |
| 文件頁(yè)數(shù)： | 2/9頁(yè) |
| 文件大?。?/td> | 144K |
| 代理商： | LA4708 |
LA4708
No. 5245-2/9
Specifications
Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
VCC max 1
No signal, t = 60s
24
V
Maximum supply voltage
VCC max 2
16
V
Surge supply voltage
VCC surge
t
≤ 0.2s, single giant pulse
50
V
Maximum output current
IO peak
Per channel
4.5
A
Allowable power dissipation
Pd max
Arbitrarily large heat sink
37.5
W
Operating temperature
Topr
35 to +85
°C
Storage temperature
Tstg
40 to +150
°C
* Set VCC, RL in a range that does not exceed Pd max = 37.5W
Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
13.2
V
Operating voltage range
VCC op
Range where Pd max is not exceeded
9 to 16
V
Recommended load resistance
RL
4
Ω
Recommended load resistance range
RL op
2 to 4
Ω
Electrical Characteristics at Ta = 25
°C, VCC = 13.2V, RL = 4Ω, f = 1kHz, Rg = 600Ω
Parameter
Symbol
Conditions
min
typ
max
Unit
Quiescent current
ICCO
70
150
250
mA
Standby current
lst
10
60
μA
Voltage gain
VG
38
40
42
dB
Total harmonic distortion
THD
PO = 2W
0.07
0.4
%
PO1
THD = 10%
16
20
W
PO2
THD = 10%, VCC = 14.4V
24
W
Output power
PO3
THD = 10%, RL = 2Ω
30
W
Output offset voltage
VN offset
Rg = 0
300
+300
mV
Output noise voltage
VNO
Rg = 0, B.P.F. = 20Hz to 20kHz
0.1
0.5
mVrms
Ripple rejection ratio
SVRR
Rg = 0, fR = 100Hz, VR = 0dBm
40
50
dB
Channel separation
CHsep
Rg = 10k
Ω, VO = 0dBm
50
60
dB
Input resistance
ri
21
30
39
k
Ω
Standby pin applied voltaga
Vst
Amp on, applied through 10k
Ω
2.5
VCC
V
Package Dimensions
unit : mm (typ)
3109A
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