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參數資料
| 型號： | LA49101H |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 10 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO28 |
| 封裝： | HSOP-28 |
| 文件頁數： | 4/11頁 |
| 文件大?。?/td> | 203K |
| 代理商： | LA49101H |
LA49101H
No. A1049-2/11
Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
14
V
Amplifier block
8
Ω
Recommended load resistance
RL
Headphone block
32
Ω
Allowable operating supply voltage range
VCC op
8 to 18
V
Operating Characteristics
Amplifier Block at Ta = 25
°C, VCC (20Pin), Pre VCC (21Pin)=14V, RL=8Ω, f=1kHz, Rg=600Ω,
See the specified board and circuit.
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Quiescent current
ICCO
Rg = 0
Ω, RL = Open
25
40
100
mA
Standby current
Ist
Amplifier, headphone: OFF
0
10
μA
Voltage gain
VG
VO = 0dBm
27.2
29.2
31.2
dB
Output power
PO
THD = 10%
8
10
W
Total harmonic distortion
THD
PO = 1W, LPF = 30kHz
0.07
0.4
%
Output noise voltage
VNO
Rg = 0
Ω, DIN AUDIO
*1
0.05
0.3
mVrms
Ripple rejection ratio
SVRR
Rg = 0
Ω, fR = 100Hz, VR = 0dBm,
DIN AUDIO
*1
55
70
dB
Input resistance
Ri
21
30
39
k
Ω
Output offset voltage
Voffset
Rg = 0
Ω
-120
+120
mV
Amplifier: ON
2.5
18
V
Standby control voltage
Vst
Amplifier: OFF
0
1.0
V
Headphone Block at Ta = 25
°C, VCC (20Pin), Pre VCC (21Pin)=14V, RL=32Ω, f=1kHz, Rg=600Ω,
See the specified board and circuit.
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Voltage gain
VG
VO = 0dBm
4.4
5.4
6.4
dB
Output power
PO
THD = 10%
30
60
mW
Total harmonic distortion
THD
VO = 0dBm, LPF = 30kHz
0.2
0.5
%
Ripple rejection ratio
SVRR
Rg = 0
Ω, fR = 100Hz, VR = 0dBm,
DIN AUDIO
*1
70
80
dB
Input resistance
Ri
21
30
39
k
Ω
Output noise voltage
VNO
Rg = 0
Ω, DIN AUDIO
*1
0.01
0.04
mVrms
Headphone amplifier: ON
2.5
18
V
Standby control voltage
Vst
Headphone amplifier: OFF
0
1.0
V
*1: Use the DIN AUDIO (20Hz to 20kHz) filter for measurement.
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