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參數(shù)資料
| 型號(hào)： | LA8522M |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO24 |
| 封裝： | MFP-24 |
| 文件頁(yè)數(shù)： | 10/17頁(yè) |
| 文件大?。?/td> | 334K |
| 代理商： | LA8522M |
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No. 6951-2/17
LA8522M
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
[Crosspoint switch]
Voltage gain
Gsw
Vin = –14 dBV
–2.5
–0.5
1.5
dB
Maximum input level
Vimax
THD = 1.5 %
–14
–10
dBV
Output noise voltage
Nosw
20 to 20 kHz
15
60
μVrms
[AMP1]
Voltage gain
G1
Vin = –43 dBV
28.2
29.2
30.2
dB
Output total harmonic distortion
THD1
Vin = –43 dBV
0.15
1.5
%
Equivalent input noise voltage
Niamp1
Rg = 620 Ω, 20 to 20 kHz
2.0
7.0
μVrms
[AMP2]
Voltage gain
G2
Vin = –34 dBV
18.2
19.2
20.2
dB
Output total harmonic distortion
THD2
Vin = –34 dBV
0.16
1.5
%
[AMP3]
Output level
VO3
Vin = –14 dBV, IN (7), OUT (22),
–10.8
–8.3
–5.8
dBV
sw (101101) on
Output total harmonic distortion
THD3
Vin = –14 dBV, IN (7), OUT (22),
0.31
1.5
%
sw (101101) on
[AMP4]
Output level
VO4
Vin = –14 dBV, IN (8), OUT (21),
–10.7
–8.2
–5.7
dBV
sw (110111) on
Output total harmonic distortion
THD4
Vin = –14 dBV, IN (8), OUT (21),
0.30
1.5
%
sw (110111) on
[AMP5]
Output level
VO5
Vin = –26 dBV, IN (7), OUT (23),
–11.5
–9.0
–6.5
dBV
sw (010001) on
Output total harmonic distortion
THD5
Vin = –26 dBV, IN (7), OUT (23),
0.17
1.5
%
sw (010001) on
Maximum voltage gain
AMP1
G1max
30
dB
AMP2
G2max
25
dB
AMP3
G3max
20
dB
AMP4
G4max
18
20
dB
AMP5
G5max
18
20
dB
Attenuator attenuation 1-1
Att1-1
Address (010101)
3.5
4.2
4.9
dB
Attenuator attenuation 1-2
Att1-2
Address (011001)
7.5
8.2
8.9
dB
Attenuator attenuation 1-3
Att1-3
Address (011101)
11.7
12.4
13.1
dB
Attenuator attenuation 2-1
Att2-1
Address (000101)
5.5
6.2
6.9
dB
Electronic volume control output level
VOevr
Vin = –42 dBV, IN (2), OUT (20),
–14.3
–12.2
–10.3
dBV
sw (010001) on
Electronic volume control step size
Wevr
Vin = –42 dBV, IN (2), OUT (20),
3.1
4.0
4.9
dB
sw (010010) on
Electronic volume control output noise voltage
NOevr
20 to 20 kHz, OUT (20)
25
60
μVrms
[BTL Power Amplifier]
Voltage gain
VGSPW
Vin = –20 dBV, RL = 16 Ω
18.1
19.6
21.1
dB
Maximum voltage gain
VGp max
30
dB
Total harmonic distortion
THDpw
Vin = –30 dBV, RL = 16 Ω
0.8
1.5
%
Maximum BTL output power
Po max
THD = 10 %, RL = 16 Ω
250
400
mW
Ripple rejection ratio
SVRR
Rg = 620 Ω, frin = 100 Hz, Vrin = –20 dBV,
40
50
dB
RL = 16 Ω
Output noise voltage
VNOpw
Rg = 620 Ω, 20 to 20 kHz, RL = 16 Ω
23
60
μVrms
[CPU Interface]
Clock frequency
Fck
500
kHz
Input signal high level
VH
2.1
V
Input signal low level
VL
1.0
V
[VREF and Current Drain]
Internal reference voltage (the pin 10 voltage)
Vref
2.09
2.26
2.41
V
Quiescent current 1
Icco1
With the BTL power amplifier on and
12.5
20
mA
the crosspoint switch off
Quiescent current 2
Icco2
With the BTL power amplifier off and
711
mA
the crosspoint switch off
Electrical Characteristics
at Ta = 25°C, VCC = 5 V, fin = 1 kHz, RL = 10 kΩ
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