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LA8519M Datasheet, PDF (3/29 Pages) Sanyo Semicon Device – I/O Switch/Voice Signal-Processing IC for Cordless Telephones
LA8519M
Continued from preceding page.
Parameter
Symbol
Conditions
Receiver BTL dynamic range
(power supplied)
EDRb
IL = 20 mA/120 mA, RL = 3 kΩ, THD = 10%
Receiver BTL dynamic range
(20 mA, power off)
DRb1
RL = 3 kΩ, IL = 20 mA, THD = 10%
Receiver BTL dynamic range
(120 mA, power off)
DRb2
RL = 3 kΩ, IL = 120 mA, THD = 10%
MUTE input high-level voltage
(power supplied/power off)
VIH
IL = 20 mA to 120 mA
MUTE input low-level voltage
(power supplied/power off)
VIL
IL = 20 mA to 120 mA
Transmitter PADC attenuation
(power supplied/power off)
∆Gt
IL = 40 mA, pin 34: grounded through 24 Ω
Receiver PADC attenuation
(power supplied/power off)
∆Gr
IL = 40 mA, pin 34: grounded through 24 Ω
Internal supply voltage
(power supplied)
EVSP
IL = 20 mA/120 mA
Internal supply voltage
(20 mA, power off)
VSP1
IL = 20 mA
Internal supply voltage
(120 mA, power off)
VSP2
IL = 120 mA
Internal reference voltage
(power supplied)
ES-VREF
IL = 20 mA/120 mA
Internal reference voltage
(20 mA, power off)
S-VREF1
IL = 20 mA
Internal reference voltage
(120 mA, power off)
S-VREF2
IL = 120 mA
[Voice Signal-Processing Block] at Ta = 25°C, VCC = 5 V, fIN = 1 kHz, RL = 10 kΩ
(Crosspoint switch)
Voltage gain
GSW
VIN = –13 dBV, pin 58 input, pin 2 output
Maximum input level
VIN max
THD = 1.5%
Output noise voltage
VNOSW
Rg = 620 Ω, 20 to 20 kHz
(Preamplifier: input from the crosspoint switch)
Voltage gain
Total harmonic distortion
ALC saturated output level
ALC range
Output noise voltage
(Microphone amplifier)
VGC
THD
VOS
ALCW
VNO
VIN = –45 dBV
VIN = –20 dBV
VIN = –20 dBV
From the point the ALC circuit turns on to the point the THD reaches 1%.
Rg = 620 Ω, 20 to 20 kHz
Voltage gain
Total harmonic distortion
Output noise voltage
(Power amplifier)
VGm
THD
VNO
VIN = –40 dBV
VIN = –40 dBV
Rg = 620 Ω, 20 to 20 kHz
Voltage gain
Maximum output power
Total harmonic distortion
Ripple rejection ratio
VGp
Po
THD
SVRR
RL = 8 Ω, VIN = –30 dBV
RL = 8 Ω, THD = 10%
VIN = –30 dBV
Rg = 620 Ω, fr = 100 kHz, Vr = –20 dBV
Output noise voltage
(VOX)
VNO
Rg = 620 Ω, 20 to 20 kHz
Sensitivity 1 low level
Sensitivity 2 high level
(Electronic volume control)
VOXL
VOXH
VIN = –40 dBV, RL = 100 kΩ
VIN = –44 dBV, RL = 100 kΩ
Step width
Evrw
(Attenuator)
R-ATT attenuation
∆GR
LINE-ATT attenuation
∆GL
OSC-ATT attenuation
∆GO
Ratings
min
typ
max
5
10
unit
Vp-p
2
3.4
Vp-p
5
8.4
Vp-p
0.6 VSP
V
0
0.4
V
4.0
dB
6.0
dB
4.75
V
1.92
V
4.74
V
2.26
V
0.79
V
1.92
V
–2.5 –0.5
–13.5 –7.5
7.0
1.5
dB
dBV
40 µVrms
8.5
10.5 12.5
dB
0.26
1.0
%
93
115
137 mVrms
15
dB
65
250 µVrms
27.5
29.5
31.5
dB
0.05
1.0
%
65
250 µVrms
27.5
29.5
31.5
dB
200
275
mW
0.8
1.5
%
40
50
dB
35
100 µVrms
0.1
0.3
V
4.8
4.95
V
2.9
3.8
4.7
dB
5.4
6.4
7.4
dB
4.6
5.6
6.6
dB
13.1
14.6
16.1
dB
Continued on next page.
No. 6471-3/29