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参数资料
| 型号： | LA4582CM |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 0.034 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP36 |
| 封装： | 0.65 MM PITCH, QFP-36 |
| 文件页数： | 2/6页 |
| 文件大小： | 142K |
| 代理商： | LA4582CM |
No. 5701-2/6
LA4582CM
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
[PRE + L.BOOST + PVSS + POWER]
Quiescent current
ICCO1
Rg = 2.2 k
, low boost off, PVSS off
13
19
29
mA
ICCO2
Rg = 2.2 k
, low boost on, PVSS on
14
20
30
mA
Voltage gain (closed loop)
VGT
VO = –5 dBm
62.5
64.5
67.5
dB
[Preamplifier]
Voltage gain (open loop)
VG0
VO = –5 dBm
70
83
dB
Voltage gain (closed loop)
VG1
VO = –5 dBm
40
dB
Maximum output voltage
VO max1 THD = 1%, VCC = 1.8 V
0.1
0.2
V
Total harmonic distortion
THD1
VO = 0.2 V, VG = 40 dB/NAB
0.05
0.5
%
Equivalent input noise voltage
VNI
Rg = 2.2 k
, BPF = 20 Hz to 20 kHz
1.3
2.0
V
Crosstalk
CT1
Rg = 2.2 k
, TUNE 1 kHz
60
80
dB
Ripple rejection
Rr1
Rg = 2.2 k
, VCC = 1.8 V,
40
50
dB
Vr = –20 dBm, fr = 100 Hz
[Power Amplifier]
Output power
PO
THD = 10%
23
34
mW
Voltage gain (closed loop)
VG2
VO = –5 dBm
27
29
32
dB
Total harmonic distortion
THD2
PO = 1 mW
0.4
1.0
%
Interchannel crosstalk
CT2
VO = –5 dBm, RV = 0
30
40
dB
Output noise voltage
VNO1
RV = 0 , BPF = 20 Hz to 20 kHz
25
40
V
Ripple rejection
Rr2
RV = 0 , Vr = –20 dBm
45
55
dB
fr = 100 Hz, VCC = 1.8 V
Input resistance
Ri
22
30
38
k
DC offset voltage
VODC OFF Between pin 8 and pins 4 to 6
–90
+90
mV
[L BOOST]
Voltage gain
VG3
VIN = –30 dBm, boost: on/off
–2.3
–3.8
–5.3
dB
Boost
BST1
VINBST = –30 dBm, f = 100 Hz, boost: on
11.2
14.7
18.2
dB
BST2
VINBST = –30 dBm, f = 10 Hz, boost: on
7.0
8.5
10
dB
Maximum output voltage
VO max2 THD = 1%, boost: on
0.3
0.5
V
Total harmonic distortion
THD3
VO = 0.1 V, boost: on
0.04
0.5
%
Interchannel crosstalk
CT3
VO = –20 dBm, Rg = 0, boost: on
25
32
dB
Output noise voltage
VNO2
Rg = 0, BPF = 20 Hz to 20 kHz, boost: off
2.0
5.0
V
Ripple rejection
Rr3
Rg = 0, fR = 100 Hz, VR = –20 dBm,
45
53
dB
VCC = 1.8 V, boost: on
[L BOOST + PVSS + POWER] RV = 30 k max
Voltage gain
VG4
VIN = –40 dBm, f = 1 kHz, boost: on/off
22.0
24.5
28.0
dB
Low boost output voltage
VO1
VIN = –43 dBm, f = 100 Hz, boost: on
0.13
0.23
0.33
V
VO2
VIN = –28 dBm, f = 100 Hz, boost: on
0.25
0.4
0.55
V
Low boost total harmonic distortion
THD4
VIN = –40 dBm, f = 100 Hz, boost: on
0.5
1.2
%
PVSS voltage
VO3
VIN = –40 dBm, PVSS2
–40
–37
–34
dBm
Input increment between the point where
PVSS width
WPVSS
operation starts and the point where the
30
40
dB
output is +4 dB from there.
PVSS: on
PVSS total harmonic distortion
THD5
VIN = –40 dBm, PVSS2
0.5
1.2
%
PVSS start input
VOPIN
PVSS2
–67
–63
–59
dBm
Operating Characteristics at Ta = 25°C, VCC = 3.0 V, fi = 1 kHz, 0.775 V = 0 dBm
RL = 10 k (preamplifier), RL = 30 k (low boost), RL = 16 (power amplifier)
Note: The amount of boost for a 1-kHz signal.
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