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参数资料
| 型号： | LA4906 |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 25 W, 2 CHANNEL, AUDIO AMPLIFIER, ZFM23 |
| 封装： | SIP-23 |
| 文件页数： | 3/10页 |
| 文件大小： | 604K |
| 代理商： | LA4906 |
No. 5714-2/10
LA4906
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Quiescent current drain
ICCO
RL = ∞, VIN = 0
80
110
150
mA
Standby current
Ist
010
μA
Voltage gain
VG
VO = 0 dBm
28
30
32
dB
Total harmonic distortion
THD
PO = 1 W, LPF = 30 kHz
0.07
0.2
%
Output power
PO1
THD = 10 %, RL = 4 Ω
14
17
W
PO2
THD = 10 %, RL = 2 Ω
25
W
Output noise voltage
VNO
Rg = 0, BPF = 20 Hz to 20 kHz
0.10
0.3
mVrms
Ripple rejection ratio
SVRR
Rg = 0, VCCR = 0 dBm,
60
75
dB
BPF = 20 Hz to 20 kHz
Channel separation
CH sep
Rg = 10 kΩ, VO = 0 dBm,
45
60
dB
BPF = 20 Hz to 20 kHz
Input resistance
Ri
21
30
39
kΩ
Output offset voltage
VN offset Rg = 0
–200
+200
mV
Standby on voltage
VSTH
AMP = on, applied through a 10 kΩ resistor
3
VCC
V
Clipping detect off current
IDOFF
THD = 1 %
1
10
μA
Clipping detect on current
IDON
THD = 10 %
100
150
200
μA
Operating Characteristics
at Ta = 25°C, VCC = 13.2 V, RL = 4 Ω, f = 1 kHz, RG = 600 Ω, in the recommended circuit
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
13.2
V
Allowable operating voltage range
VCC op
8 to 16
V
Recommended load resistance
RL
4
Ω
Recommended load resistance range
RL op
2 to 4
Ω
Operating Conditions
at Ta = 25°C
Note: Set VCC and RL to be in the range where Pd max does not exceed 37.5 W.
Allowable
power
dissipation,
Pd
max
–
W
Heat
sink
thermal
resistance,
θ
f–
°C/W
Heat sink area, Sf – cm2
Ambient temperature, Ta – °C
With an arbitrarily large heat sink
Al heat sink, t = 1.5 mm
Tightening torque: 39 Ncm
With silicone grease applied.
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