參數(shù)資料
型號(hào)： LA8519M
廠商： Sanyo Electric Co.,Ltd.
英文描述： I/O Switch/Voice Signal-Processing IC for Cordless Telephones
中文描述： I / O交換/語(yǔ)音信號(hào)處理集成電路無(wú)繩電話
文件頁(yè)數(shù)： 3/29頁(yè)
文件大?。?/td> 317K
代理商： LA8519M
No. 6471-3/29
LA8519M
Continued from preceding page.
Ratings
Parameter
Symbol
Conditions
min
typ
max
unit
Receiver BTL dynamic range
(power supplied)
EDRb
I
L
= 20 mA/120 mA, R
L
= 3 k
, THD = 10%
5
10
Vp-p
Receiver BTL dynamic range
(20 mA, power off)
DRb1
R
L
= 3 k
, I
L
= 20 mA, THD = 10%
2
3.4
Vp-p
Receiver BTL dynamic range
(120 mA, power off)
DRb2
R
L
= 3 k
, I
L
= 120 mA, THD = 10%
5
8.4
Vp-p
MUTE input high-level voltage
(power supplied/power off)
V
IH
I
L
= 20 mA to 120 mA
0.6 VSP
V
MUTE input low-level voltage
(power supplied/power off)
V
IL
I
L
= 20 mA to 120 mA
0
0.4
V
Transmitter PADC attenuation
(power supplied/power off)
Gt
I
L
= 40 mA, pin 34: grounded through 24
4.0
dB
Receiver PADC attenuation
(power supplied/power off)
Gr
I
L
= 40 mA, pin 34: grounded through 24
6.0
dB
Internal supply voltage
(power supplied)
EV
SP
I
L
= 20 mA/120 mA
4.75
V
Internal supply voltage
(20 mA, power off)
V
SP
1
I
L
= 20 mA
1.92
V
Internal supply voltage
(120 mA, power off)
V
SP
2
I
L
= 120 mA
4.74
V
Internal reference voltage
(power supplied)
ES-V
REF
I
L
= 20 mA/120 mA
2.26
V
Internal reference voltage
(20 mA, power off)
S-V
REF
1
I
L
= 20 mA
0.79
V
Internal reference voltage
(120 mA, power off)
[Voice Signal-Processing Block] at Ta = 25°C, V
CC
= 5 V, f
IN
= 1 kHz, R
L
= 10 k
(Crosspoint switch)
S-V
REF
2
I
L
= 120 mA
1.92
V
Voltage gain
G
SW
V
IN
max
V
NOSW
V
IN
= –13 dBV, pin 58 input, pin 2 output
THD = 1.5%
Rg = 620
, 20 to 20 kHz
–2.5
–0.5
1.5
dB
Maximum input level
–13.5
–7.5
dBV
Output noise voltage
7.0
40
μVrms
(Preamplifier: input from the crosspoint switch)
Voltage gain
VG
C
THD
V
IN
= –45 dBV
V
IN
= –20 dBV
V
IN
= –20 dBV
From the point the ALC circuit turns on to the point the THD reaches 1%.
Rg = 620
, 20 to 20 kHz
8.5
10.5
12.5
dB
Total harmonic distortion
0.26
1.0
%
ALC saturated output level
V
OS
ALC
W
V
NO
93
115
137
mVrms
ALC range
15
dB
Output noise voltage
65
250
μVrms
(Microphone amplifier)
Voltage gain
VGm
V
IN
= –40 dBV
V
IN
= –40 dBV
Rg = 620
, 20 to 20 kHz
27.5
29.5
31.5
dB
Total harmonic distortion
THD
0.05
1.0
%
Output noise voltage
V
NO
65
250
μVrms
(Power amplifier)
Voltage gain
VGp
R
L
= 8
, V
IN
= –30 dBV
R
L
= 8
, THD = 10%
V
IN
= –30 dBV
Rg = 620
, fr = 100 kHz, Vr = –20 dBV
Rg = 620
, 20 to 20 kHz
27.5
29.5
31.5
dB
Maximum output power
Po
200
275
mW
Total harmonic distortion
THD
0.8
1.5
%
Ripple rejection ratio
SVRR
40
50
dB
Output noise voltage
V
NO
35
100
μVrms
(VOX)
Sensitivity 1 low level
V
OX
L
V
OX
H
V
IN
= –40 dBV, R
L
= 100 k
V
IN
= –44 dBV, R
L
= 100 k
0.1
0.3
V
Sensitivity 2 high level
4.8
4.95
V
(Electronic volume control)
Step width
Evrw
2.9
3.8
4.7
dB
(Attenuator)
R-ATT attenuation
GR
GL
GO
5.4
6.4
7.4
dB
LINE-ATT attenuation
4.6
5.6
6.6
dB
OSC-ATT attenuation
13.1
14.6
16.1
dB
Continued on next page.
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