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參數(shù)資料
| 型號： | LA4581M |
| 英文描述： | Preamplifier + Power Amplifier for 3V Headphone Stereos(215.50 k) |
| 中文描述： | 前置放大器功率放大器為3V耳機(jī)音響（215.50十一） |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 215K |
| 代理商： | LA4581M |
Continued from preceding page.
Parameter
Symbol
Output
min
typ
max
Unit
[Preamplifier]
Voltage gain (Open)
Voltage gain (Closed)
Maximum output voltage
Total harmonic distortion
Equivalent input noise voltage
Crosstalk
VGo
VG1
V
O
max
THD1
V
N
1
CT1
V
O
= –5 dBm
V
O
= –5 dBm
THD = 1 %, V
CC
= 1.8 V
V
O
= 0.2 V, VG = 40 dB/NAB
Rg = 2.2 k
, B.P.F = 20 to 20 kHz
Rg = 2.2 k
, TUNE 1 kHz
Rg = 2.2 k
, V
CC
= 1.8 V, Vr = –20 dBm,
f = 100 Hz
70
80
40
0.2
0.05
1.3
80
dB
dB
V
%
μV
dB
0.1
0.5
2.0
60
Ripple rejection ratio
R
r
1
40
50
dB
[Power Amplifer]
Output voltage
Voltage gain (Closed)
Total harmonic distortion
Interchannel crosstalk
Output noise voltage
Ripple rejection ratio
Input resistance
DC offset voltage
P
O
VG2
THD2
CT
T
V
NO
R
r
2
R
IN
V
ODC
off
THD = 10%
V
O
= –5 dBm
P
O
= 1 mW
V
O
= –5 dBm, R
v
= 0
Rg = 0, B.P.F = 20 to 20 kHz
Rg = 0, V
r
= –20 dB, f = 100 Hz, V
CC
= 1.8 V
23
25
32
28
0.4
40
24
60
30
mW
dB
%
dB
μV
dB
k
mV
31
1.0
30
40
45
22
–90
38
Between 13-14 and 15
+90
Note) Power amplifier voltage gain VG2 increases by about 1 dB for min/max respectively than specified above when R
L
= 32
.
Block Diagram
Test Circuit
Unit (resistance:
, capacitance: F)
1.8 to 3.0 V
LA4581MB
No.3535-2/8
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA4581MB | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Preamplifier Power Amplifier for 3V Headphone Stereos |
| LA4582 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Pre Power Amplifier for 3-V Headphone Stereo Systems |
| LA4582CM | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Pre Power Amplifier for 3-V Headphone Stereo Systems |
| LA4583 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Compact Cassette Stereo Recording and Playback System |
| LA4583M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Compact Cassette Stereo Recording and Playback System |
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