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LA8520M Datasheet, PDF (2/17 Pages) Sanyo Semicon Device – Audio Signal-Processing IC with I/O Switching | |||
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LA8520M
Electrical Characteristics at Ta = 25°C, VCC = 5 V, fin = 1 kHz, RL = 10 kâ¦
Parameter
Symbol
Conditions
Crosspoint switch voltage gain
Crosspoint switch maximum input level
Crosspoint switch output noise voltage
Microphone amplifier/TR amplifier voltage gain
Microphone amplifier/TR output distortion
Microphone amplifier/TR equivalent input noise
voltage
Microphone amplifier/TR maximum voltage gain
Receiver amplifier/OGM amplifier voltage gain
Receiver amplifier/OGM amplifier output
distortion
Operational amplifier voltage gain
Operational amplifier output distortion
DR amplifier output level
DR amplifier output distortion
Handset amplifier output level
Handset amplifier output distortion
Handset amplifier attenuator level 1
Handset amplifier attenuator level 2
Handset amplifier attenuator level 3
Electronic volume control output level
Electronic volume control step size
Electronic volume control output noise voltage
[BTL Power Amplifier]
Voltage gain
Total harmonic distortion
Maximum BTL output power
Ripple rejection ratio
Output noise voltage
[CPU Interface]
Clock frequency
Input signal high level
Input signal low level
[VREF and Current Drain]
Internal reference voltage (the pin 10 voltage)
Quiescent current 1
Quiescent current 2
Gsw
Vimax
Nosw
Gmic
THDmc
Nimc
Gmax
Gre
THDre
Gop
THDop
Vodr
THDdr
Vohd
THDhd
Att1
Att2
Att3
Voevr
Wevr
Noevr
Gpwr
THDpw
Pomax
SVRR
Nopw
Fck
VH
VL
Vref
Icco1
Icco2
Vin = â13 dBV
THD = 1.5 %
20 to 20 kHz
Vin = â53 dBV
Vin = â53 dBV
Rg = 620 â¦, 20 to 20 kHz
Vin = â33 dBV
Vin = â33 dBV
Vin = â13 dBV
Vin = â13 dBV
Vin = â23 dBV, IN(8), OUT(32), sw(10) on
Vin = â23 dBV, IN(8), OUT(32), sw(10) on
Vin = â16 dBV, IN(9), OUT(34), sw(0B) on
Vin = â16 dBV, IN(9), OUT(34), sw(0B) on
address (51)
address (52)
address (53)
Vin = â20 dBV, IN(9), OUT(28), sw(2D) on
Vin = â20 dBV, IN(9), OUT(28), sw(2D) on
20 to 20 kHz, OUT(28)
Vin = â20 dBV, RL = 16 â¦
Vin = â30 dBV, RL = 16 â¦
THD = 10 %, RL = 16 â¦
Rg = 620 â¦, frin = 100 Hz, Vrin = â20 dBV,
RL = 16 â¦
Rg = 620 â¦, 20 to 20 kHz, RL = 16 â¦
With the BTL power amplifier on and the
crosspoint switch off
With the BTL power amplifier off and the
crosspoint switch off
min
â2.5
â13
38
â
40
18
8
â
â16.1
â2
â
2.3
3.45
5.4
â22.9
2.9
â
Ratings
typ
â0.5
â7
15
40
0.6
2.5
â
20
0.4
10
0.4
â13.6
0.5
+0.5
0.55
3
4.15
6.1
â20.4
3.8
25
18.2
19.7
â
0.7
250
400
40
50
â
20
â
â
3
â
â
â
2.1
2.25
â
21
â
14.5
max
1.5
â
60
42
1.5
Unit
dB
dBV
µVrms
dB
%
7.5 µVrms
â
dB
22
dB
1.5
%
12
1.5
â11.1
1.5
+3
1.5
3.7
4.85
6.8
â17.9
4.6
60
dB
%
dBV
%
dBV
%
dB
dB
dB
dBV
dB
µVrms
21.2
dB
1.5
%
â mW
â
dB
60 µVrms
500 kHz
â
V
1.5
V
2.4
V
29 mA
21 mA
No. 6075-2/17
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