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參數資料
| 型號： | LA49032H |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 3 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36 |
| 封裝： | 0.375 INCH, HSOP-36 |
| 文件頁數： | 5/12頁 |
| 文件大小： | 809K |
| 代理商： | LA49032H |
LA49032H
No. A1038-2/12
Specifications
Maximum Ratings
at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
At no signal
16
V
Allowable power dissipation
Pd max
As mounted on our recommended substrate
3.65
W
Maximum junction temperature
Tj max
150
°C
Operating temperature
Topr
-25 to +75
°C
Storage temperature
Tstg
-40 to +150
°C
Operating Condition
at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
11
V
Amplifier block
16
Ω
Recommended load resistance
RL
Headphone block
32
Ω
Allowable operating supply voltage range
VCC op
8 to 15
V
Operation Characteristics
Amplifier Block
at Ta = 25
°C, VCC = 11V, RL = 16Ω, f = 1kHz, Rg = 600Ω, Specified substrate/specified circuit.
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Quiescent current
ICCO
Rg = 0
Ω, RL = Open
35
60
120
mA
Standby current
Ist
Amplifier: OFF
0
10
μA
Voltage gain
VG
VO = 0dBm
28
30
32
dB
Output power
PO
THD = 10%
2.4
3
W
Total harmonic distortion
THD
PO = 1W, LPF = 30kHz
0.05
0.5
%
Output noise voltage
VNO
Rg = 0
Ω, DIN AUDIO
*1
0.06
0.3
mV
Ripple rejection ratio
SVRR
Rg = 0
Ω, fR = 100Hz, VR = 0dBm,
DIN AUDIO
*1
60
70
dB
Channel separation
Sep
Rg = 10k
Ω, VO = 0dBm
50
60
dB
Input resistance
Ri
21
30
39
k
Ω
Output offset voltage
Voffset
Rg = 0
Ω
-120
+120
mV
Amplifier: ON
*2
2.5
16
V
Standby control voltage
Vst
Amplifier: OFF
0
0.5
V
Headphone Block
at Ta = 25
°C, VCC = 11V, RL = 32Ω, f = 1kHz, Rg = 600Ω, Specified substrate/specified circuit
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Voltage gain
VG
VO = -10dBm
9
10
11
dB
Output power
PO
THD = 10%
20
30
mW
Total harmonic distortion
THD
PO = 1mW, LPF = 30kHz
0.05
0.2
%
Ripple rejection ratio
SVRR
Rg = 0
Ω, fR = 100Hz, VR = 0dBm,
DIN AUDIO
*1
70
80
dB
Channel separation
Sep
Rg = 10k
Ω, VO = -10dBm
45
55
dB
Input resistance
Ri
16
20
24
k
Ω
Output noise voltage
VNO
Rg = 0
Ω, DIN AUDIO
*1
0.05
0.2
mV
Headphone amplifier: ON
*2
2.5
16
V
Standby control voltage
Vst
Headphone amplifier: OFF
0
0.5
V
*1: Use the DIN AUDIO (20Hz to 20kHz) filter for measurement.
*2: Standby Pin 13/25 incorporate the anti-static diode. Note that the current flows through the diode when the potential
of pin VCC 35 decreases below pin 13/25.
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