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參數(shù)資料
| 型號： | LA3242 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Preamplifier for Compact Cassette Recorder Recording-only Use |
| 中文描述： | 對小型收錄機(jī)錄音前置放大器，僅使用 |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 480K |
| 代理商： | LA3242 |
Operating Characteristics
at Ta = 25°C, V
CC
= 6.0 V, R
L
= 10 k
, f = 1 kHz, 0 dB = 0.775 V
Parameter
Symbol
I
CCO
I
CCS
Conditions
min
typ
7.5
16
max
12
20
Unit
mA
mA
Quiescent current
Quiescent current
[REC Amp]
Voltage gain (Open)
Voltage gain (Closed)
Total harmonic distortion
Maximum output voltage
Equivalent input noise
voltage
Input resistance
Me/Nor, Nor/High SW OFF
Me/Nor, Nor/High SW ON
5
12
VG
O
1
VG1
THD 1
V
O
max
75
85
dB
dB
%
V
V
O
= 0 dBm
V
O
= 0.4 V
THD = 1%
42.5
44.5
0.1
1.0
46.0
0.7
0.7
V
NI
1
Rg = 2.2 k
, B.P.F = 20 Hz to 20 kHz
1.1
1.7
μV
R
I
1
CT1
CT2
V
BL
40
50
50
50
60
75
0
60
k
dB
dB
dB
Crosstalk
Between REC amps
REC amp
→
Microphone amp
V
IN
= –50 dBm
Channel balance
[Microphone Amp]
Voltage gain (Open)
Voltage gain (Closed)
Total harmonic distortion
Maximum output voltage
Equivalent input noise
voltage
Input resistance
Crosstalk
[ALC]
2
VG
O
2
VG2
THD2
V
O
max
60
23
70
25
dB
dB
V
V
V
O
= 0 dBm
V
O
= 0.4 V
THD = 1%
27
0.5
0.05
1.1
0.8
V
NI
2
Rg = 2.2 k
, B.P.F = 20 Hz to 20 kHz
1.1
1.7
μV
R
I
2
CT3
40
45
50
60
60
k
dB
Microphone amp
→
REC amp
ALC range
ALC
W
Input range when output distortion becomes 1%
after ALC begins to the applied.
Output difference between CH1 and CH2
V
IN
= –40 dBm
V
IN
= –40 dBm
Between REC amps
REC amp
→
Microphone amp
Voltage on pin 17
Voltage on pin 17
40
45
dB
ALC balance
ALC distortion
ALC output voltage
Crosstalk
Crosstalk
ALC ON-state voltage
ALC OFF-state voltage
[Switch]
ON-state resistance
DC feedback resistance
ALC
B
ALC
THD
ALC
VO
CT4
CT5
ALCon
ALCoff
0
2
dB
%
V
dB
dB
V
V
0.15
0.42
60
70
0.8
0.53
0.33
45
50
1.0
1.5
R
ON
R
F
1
30
50
70
60
k
40
A
Ambient temperature, Ta – °C
Pd max – Ta
LA3242
No.2620-2/12
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相關(guān)代理商/技術(shù)參數(shù) |
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