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參數資料
| 型號： | LA4592W |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.019 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48 |
| 封裝： | SQFP-48 |
| 文件頁數： | 2/5頁 |
| 文件大小： | 160K |
| 代理商： | LA4592W |
No. 5662-2/5
LA4592W
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
[PRE + PWR]
Quiescent current
ICCO1
Rg = 2.2 k
, RV = 0
8.5
11
16
mA
ICCO2
With the power switch off
0.1
5
A
Voltage gain (closed loop)
VGT
VO = –20 dBm, RV = 10 k
54
57
60
dB
[PRE AMP]
Voltage gain (open loop)
VG0
VO = –20dBm
60
68
dB
Voltage gain (closed loop)
VG1
VO = –20dBm
34
35.3
37
dB
Maximum output voltage
VO max1 THD = 1 %
100
210
mV
Total harmonic distortion
THD1
VG = 35.3 dB/NAB, VO = 100 mV
0.08
0.5
%
Equivalent input noise voltage
VN1
Rg = 2.2 k
, BPF = 20 Hz to 20 kHz
1.3
3.0
V
Interchannel crosstalk
CT1
Rg = 2.2 k
, TUNE 1 kHz, VO = –20 dBm
45
56
dB
F/R crosstalk
CT2
Rg = 2.2 k
, TUNE 1 kHz, VO = –20 dBm
65
78
dB
Ripple rejection ratio
Rr1
Rg = 2.2 k
, Vr = –30 dBm,
45
52
dB
fr = 100 Hz, TUNE 100 Hz
Muting output voltage
VM1
VIN = –40 dBm, TUNR 1 kHz,
–90
dBm
With the muting function on
[Low Boost + Power Amplifier]
VG3
VO = –20 dBm
20.5
23
25.5
dB
Voltage gain (closed loop)
VG4
VO = –20 dBm, L.B = ON
20.5
23
25.5
dB
VG5
VO = –20 dBm, L.B = ON, f = 10 kHz
24.5
27.5
30.5
dB
VG6
VO = –20 dBm, L.B = ON, f = 100 Hz
28
32
36
dB
Output voltage
PO1
THD = 10 %
5
9
mW
PO2
THD = 10 %, f = 100 Hz, L.B = ON
13
19
mW
Total harmonic distortion
THD2
PO = 1 mW
0.3
1.5
%
Interchannel crosstalk
CT3
VO = –20 dBm, RV = 0
38
43
dB
Output noise voltage
VNO
RV = 0 , BPF = 20 Hz to 20 kHz
20
33
V
Ripple rejection ratio
Rr2
RV = 0 , Vr = –30 dBm,
50
74
dB
fr = 100 Hz, TUNE 100 Hz
Muting output voltage
VM2
VIN = –30 dBm, TUNE 1 kHz,
–90
dBm
With the muting function on
Input resistance
Ri
8
10
12
k
Voltage gain difference
VG3
0
1.5
dB
[Ripple Filter]
Ripple rejection ratio
Rr3
fr = 100 Hz, Vr = –30 dBm, VCC = 1.0 V,
33
39
dB
IRF = 25 mA, using a rank 6 2SB1295
Output voltage
VRF
VCC = 1.0 V, IRF = 25 mA
0.89
0.94
V
[AMSS]
The preamplifier output voltage
Operating output voltage
VOAMSS1 when the AMSS VO = 0.6 V p-o
3.33
4.7
6.64
mV
With the PWR muting on. (AMSS)
The preamplifier output voltage
Operating output voltage
VOAMSS2 when the AMSS VO = 0.6 V p-o
479
675
953
V
With the PWR muting off. (BLANK SKIP)
The preamplifier output voltage
Operating output voltage
VOAMSS3
when the AMSS VO = 0.6 V p-o
2.62
3.7
5.23
mV
With pin 34 shorted through a 270-
resistor.
With the PWR muting on.
The preamplifier output voltage
Operating output voltage
VOAMSS4
when the AMSS VO = 0.6 V p-o
375
530
749
V
With pin 34 shorted through a 270-
resistor.
With the PWR muting on.
[SW AMP]
Voltage gain (closed loop)
VG7
VO = –25 dBm
–1.2
–0.7
–0.2
dB
Maximum output voltage
VO max2 THD = 1 %
25
60
mV
Ripple rejection ratio
Rr4
With the input pins open, Vr = –30 dBm,
50
75
dB
fr = 100 Hz, TUNE 100 Hz
Output voltage when off
VM3
VIN = –20 dBm, TUNE 1 kHz, SW OFF
–90
dBm
Operating Characteristics at Ta = 25°C, VCC = 1.2 V, f = 1 kHz, 0.775 V = 0 dB, RL = 10 k (preamplifier)
RL = 16
(power amplifier)
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