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參數(shù)資料
| 型號： | LA8518NM |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Signal Processor for Cordless Telephone Base Sets(用于無繩電話設(shè)備的信號處理器) |
| 中文描述： | 信號處理器無繩電話基地集（用于無繩電話設(shè)備的信號處理器） |
| 文件頁數(shù)： | 3/31頁 |
| 文件大?。?/td> | 560K |
| 代理商： | LA8518NM |
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Parameter
Symbol
G
T
Conditions
min
typ
44
41
2.5
–7
29
26
8.7
11
max
46
43
–0.5
–5
31
28
10.7
13
Unit
dB
dB
dB
dB
dB
dB
dB
dB
Vp-p
Vp-p
Vp-p
Vp-p
Vp-p
Vp-p
V
V
dB
dB
V
V
V
Transmitting gain
I
L
= 20 mA, V
IN
= –55 dBV
I
L
= 120 mA, V
IN
= –55 dBV
I
L
= 20 mA, V
IN
= –20 dBV
I
L
= 120 mA, V
IN
= –20 dBV
I
L
= 20 mA, V
IN
= –30 dBV
I
L
= 120 mA, V
IN
= –30 dBV
I
L
= 20 mA, V
IN
= –40 dBV
I
L
= 120 mA, V
IN
= –40 dBV
I
L
= 20 mA, THD = 4 %
I
L
= 120 mA, THD = 4 %
I
L
= 20 mA, THD = 10%
I
L
= 120 mA, THD = 10%
I
L
= 20 mA, THD = 10%
I
L
= 120 mA, THD = 10%
I
L
= 20 mA to 120 mA
I
L
= 20 mA to 120 mA
I
L
= 30 mA, ground at 24 k
I
L
= 30 mA, ground at 24 k
I
L
= 20 mA
I
L
= 50 mA
I
L
= 120 mA
42
39
Receiving gain
G
R
–4.5
–9
27
24
6.7
DTMF gain
G
MF
KT gain
G
KT
9
Transmitting dynamic range
DR
T
2.5
4.5
0.3
0.5
Receiving dynamic range
(Single R
L
= 150
)
Receiving dynamic range
(BTL R
L
= 3 k
)
MUTE high-level input voltage
MUTE low-level input voltage
Transmitting PADC attenuation
Receiving PADC attenuation
Internal reference voltage
DR
DR
DR
SR
2
6
V
IH
V
IL
G
T
G
R
V
REF
0.6VSP
0
0.4
3.7
6.3
0.65
1.0
1.7
Operating Characteristics
at Ta = 25°C, f = 1 kHz
Parameter
Symbol
Conditions
min
typ
max
Unit
[Audio Signal Processing Block]
PRE AMP
Input from crosspoint switch
Voltage gain
Total harmonic distortion
ALC saturation output level
ALC range
Equivalent input noise voltage
PB AMP
Voltage gain
Total harmonic distortion
Equivalent input noise voltage
OGM AMP
Voltage gain
Total harmonic distortion
REC AMP
Voltage gain
Output bias voltage
(Voltage at pin 21)
Total harmonic distortion
MIC AMP
Voltage gain
Total harmonic distortion
Equivalent input noise voltage
POWER AMP R
L
= 8
Voltage gain
Output voltage
Total harmonic distortion
Input resistance
Ripple rejection ratio
Output noise voltage
VG
C
THD
V
OS
ALCW
V
NI
–45 dBV input
–20 dBV input
–20 dBV input
From when ALC is on until THD is 1%
Input AC-shorted, 20 to 20 kHz
6
8
10
1.0
130
dB
%
0.4
110
90
15
mVrms
dB
μVrms
5.0
10
VG
E
THD
V
NI
–60 dBV input
–60 dBV input
Pin AC-shorted, 20 to 20 kHz
46.5
48.5
0.5
5.0
50.5
1.5
10
dB
%
μVrms
VG
G
THD
–20 dBV input
–20 dBV input
7
9
11
1.0
dB
%
0.1
VG
R
V
B
Pin 20 Z
AC
= 8.1 k
, between pins 25 and 21
Pin 20 Z
DC
= 15 k
,
pin 21 load = 8.2 k
4
6
8
dB
V
0.8
1.0
1.2
THD
0.8
1.5
%
VG
M
THD
V
NI
–40 dBV input
–40 dBV input
Pin 33 AC-shorted, 20 to 20 kHz
27
29
0.1
2.0
31
1.0
dB
%
5
μVrms
VG
P
P
O
THD
R
IN
SVRR
V
NO
–30 dBV input
THD = 10%
–30 dBV input
28
200
30
250
0.6
15
32
dB
mW
%
k
dB
μVrms
1.5
Rg = 0, fr = 100 Hz, Vr = –20 dBV
Pin 42 AC-shorted, 20 to 20 kHz
40
0.04
0.1
Continued on next page.
LA8518NM
No.5421-3/31
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