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參數(shù)資料
| 型號： | LA3161 |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2 CHANNEL, AUDIO PREAMPLIFIER, PSIP8 |
| 封裝： | SIP-8 |
| 文件頁數(shù)： | 5/7頁 |
| 文件大?。?/td> | 154K |
| 代理商： | LA3161 |
LA3161
No.573–5/7
(b) Tape speed : 4.75cm/s. (cassette)
VG : RNF
VG
30
35
40
dB
RNF
440
240
130
Ω
(c) Flat amplifier
VG : RNF
VG
30
35
40
dB
RNF
3.2
1.8
1
k
Ω
Proper cares in using IC
1. Maximum Rating
If the IC is used in the vicinity of the maximum rating, even a slight variation in conditions may cause the maximum
rating to be exceeded, thereby leading to a breakdown. Allow an ample margin of variation for supply voltage, etc.
and use the IC in the range where the maximum rating is not exceed.
2. Short between pins
If the supply voltage is applied when the space between pins is shorted, a breakdown or deterioration may occur.
When installing the IC on the board or applying the supply voltage, make sure that the space between pins is not
shorted with solder, etc.
3. Breakdown of IC attributable to inverted insertion
If the IC is inserted inversely and operated, the IC may suffer from something unusual, thereby leading to a breakdown or
deterioration of the IC. When installing the IC on the board or operating the IC, check the marked surface of IC.
Proper cares to be taken for obtaining optimum operation of IC
Set DC resistance of R1, R2 of NAB element at approximately 100kΩ.
Determine the gain by changing RNF without chaging NAB constant (Refer to Examples of NAB constant.).
JK316108
2
3
5
7
0.1
5
10
100
23
5
1.0
23
5
0.1
23
5
2
3
5
7
1.0
2
3
5
Output
v
oltage,
V
O
--
V
Input voltage, Vi -- mV
f =
100Hz
1kHz 10kHz
VO -- Vi
VCC = 9V
RL = 10kΩ
Rg = 600
Ω
VG = 35dB / 1kHz
3
5
0.1
5
1.0
0.1
23
5
2
3
5
T
o
tal
Harmonic
distortion,
THD
-
-%
Output voltage, VO -- V
1.0
2
3
5
10
2
3
77
2
3
1kHz
100Hz
f
=
10kHz
THD -- VO
JK316110
VCC = 9V
RL = 10kΩ
Rg = 600
Ω
VG = 35dB / 1kHz
5
7
1.0
5
10
1
23
5
2
3
5
7
10
2
3
77
100
23
5
7
2
FILTER
OUTPUT
Amp
VG = 45dB
FLAT
Amp
LA3161
INPUT
Rg
VG = 35dB
VNI -- Rg
JK316111
VCC = 9V
RL = 10kΩ
15Hz to 30kHz
Signal source resistance, Rg -- k
Ω
Equi
v
alent
input
noise
v
oltage,
V
NI
--
μ
V
JK316109
Frequency, f -- Hz
60
100
2 3
5
20
30
40
50
80
90
1K
2 3
5
10K
2 3
5
100K
23
5
9.5cm/sec
70
VG -- f
W
ithout
NFB
W
ith
NFB
(N
AB)
VCC = 9V
RL = 10kΩ
Rg = 600
Ω
C NF
= 100
μF (100Ω
short)
47μ
F (100
Ω short)
V
oltage
gain,V
G
-
-db
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