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參數(shù)資料
| 型號： | LA4592W |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 元件分類： | 音頻放大器 |
| 英文描述： | 1.5-V Preamplifier + Power Amplifier for Headphone Stereo Products |
| 中文描述： | 1.5伏前置放大器功率放大器立體聲耳機產品 |
| 文件頁數(shù)： | 2/5頁 |
| 文件大小： | 161K |
| 代理商： | LA4592W |
No. 5662-2/5
LA4592W
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
[PRE + PWR]
Quiescent current
I
CCO
1
I
CCO
2
VG
T
Rg = 2.2 k
, R
V
= 0
With the power switch off
V
O
= –20 dBm, R
V
= 10 k
8.5
11
0.1
57
16
mA
μA
dB
5
Voltage gain (closed loop)
[PRE AMP]
Voltage gain (open loop)
Voltage gain (closed loop)
Maximum output voltage
Total harmonic distortion
Equivalent input noise voltage
Interchannel crosstalk
F/R crosstalk
54
60
VG
0
VG
1
V
O
= –20dBm
V
O
= –20dBm
THD = 1 %
VG = 35.3 dB/NAB, V
O
= 100 mV
Rg = 2.2 k
, BPF = 20 Hz to 20 kHz
Rg = 2.2 k
, TUNE 1 kHz, V
O
= –20 dBm
Rg = 2.2 k
, TUNE 1 kHz, V
O
= –20 dBm
Rg = 2.2 k
, Vr = –30 dBm,
fr = 100 Hz, TUNE 100 Hz
V
= –40 dBm, TUNR 1 kHz,
With the muting function on
60
68
dB
dB
mV
%
μV
dB
dB
34
35.3
210
0.08
1.3
56
78
37
V
O
max1
THD1
V
N
1
CT1
CT2
100
0.5
3.0
45
65
Ripple rejection ratio
R
r
1
45
52
dB
Muting output voltage
V
M
1
–90
dBm
[Low Boost + Power Amplifier]
VG
3
VG
4
VG
5
VG
6
P
O
1
P
O
2
THD2
CT3
V
NO
V
O
= –20 dBm
V
O
= –20 dBm, L.B = ON
V
O
= –20 dBm, L.B = ON, f = 10 kHz
V
O
= –20 dBm, L.B = ON, f = 100 Hz
THD = 10 %
THD = 10 %, f = 100 Hz, L.B = ON
P
O
= 1 mW
V
O
= –20 dBm, R
V
= 0
R
V
= 0
, BPF = 20 Hz to 20 kHz
R
= 0
, Vr = –30 dBm,
fr = 100 Hz, TUNE 100 Hz
V
= –30 dBm, TUNE 1 kHz,
With the muting function on
20.5
20.5
24.5
28
23
23
25.5
25.5
30.5
36
dB
dB
dB
dB
mW
mW
%
dB
μV
Voltage gain (closed loop)
27.5
32
Output voltage
5
9
13
19
0.3
43
20
Total harmonic distortion
Interchannel crosstalk
Output noise voltage
1.5
38
33
Ripple rejection ratio
R
r
2
50
74
dB
Muting output voltage
V
M
2
–90
dBm
Input resistance
Voltage gain difference
[Ripple Filter]
Ri
8
10
12
1.5
k
dB
VG3
0
Ripple rejection ratio
R
r
3
fr = 100 Hz, Vr = –30 dBm, V
= 1.0 V,
I
RF
= 25 mA, using a rank 6 2SB1295
V
CC
= 1.0 V, I
RF
= 25 mA
33
39
dB
Output voltage
[AMSS]
V
RF
0.89
0.94
V
The preamplifier output voltage
when the AMSS V
= 0.6 V p-o
With the PWR muting on. (AMSS)
Operating output voltage
V
OAMSS
1
3.33
4.7
6.64
mV
The preamplifier output voltage
when the AMSS V
= 0.6 V p-o
With the PWR muting off. (BLANK SKIP)
Operating output voltage
V
OAMSS
2
479
675
953
μV
The preamplifier output voltage
when the AMSS V
= 0.6 V p-o
With pin 34 shorted through a 270-
resistor.
With the PWR muting on.
Operating output voltage
V
OAMSS
3
2.62
3.7
5.23
mV
The preamplifier output voltage
when the AMSS V
= 0.6 V p-o
With pin 34 shorted through a 270-
resistor.
With the PWR muting on.
Operating output voltage
V
OAMSS
4
375
530
749
μV
[SW AMP]
Voltage gain (closed loop)
Maximum output voltage
VG
7
V
O
= –25 dBm
THD = 1 %
With the input pins open, Vr = –30 dBm,
fr = 100 Hz, TUNE 100 Hz
V
IN
= –20 dBm, TUNE 1 kHz, SW OFF
–1.2
25
–0.7
60
–0.2
dB
mV
V
O
max2
Ripple rejection ratio
R
r
4
50
75
dB
Output voltage when off
V
M
3
–90
dBm
Operating Characteristics
at Ta = 25°C, V
CC
= 1.2 V, f = 1 kHz, 0.775 V = 0 dB, R
L
= 10 k
(preamplifier)
RL = 16
(power amplifier)
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