參數(shù)資料
型號： LA4581
廠商： Sanyo Electric Co.,Ltd.
英文描述： Preamplifier Power Amplifier for 3V Headphone Stereos
中文描述： 前置放大器功率放大器為3V耳機音響
文件頁數(shù)： 2/8頁
文件大小： 216K
代理商： LA4581
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
相關(guān)PDF資料
PDF描述
LA4581MB Oscillator; Frequency:75MHz; Frequency Tolerance:+/-50ppm; Load Capacitance:15pF; Supply Voltage:3.3V; Crystal Terminals:Surface Mount (SMD, SMT)
LA4582 Pre Power Amplifier for 3-V Headphone Stereo Systems
LA4582CM Oscillator; Supply Voltage:5V; Package/Case:14-DIP; Leaded Process Compatible:No; Peak Reflow Compatible (260 C):No; Crystal Terminals:Through Hole; Frequency:3.6864MHz; Frequency Tolerance:100ppm; Load Capacitance:15pF RoHS Compliant: Yes
LA4583 Oscillator; Frequency:22MHz; Frequency Tolerance:+/-25ppm; Load Capacitance:15pF; Supply Voltage:2.84V; Crystal Terminals:Surface Mount (SMD, SMT); Leaded Process Compatible:Yes; Peak Reflow Compatible (260 C):Yes RoHS Compliant: Yes
LA4583M SMD, 12.288MHZ, 1MW, 50PPM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LA4581M 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Preamplifier + Power Amplifier for 3V Headphone Stereos(215.50 k)
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
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