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参数资料
| 型号： | LA4809M |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 0.16 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO12 |
| 封装： | 0.225 INCH, MFP-12 |
| 文件页数： | 8/15页 |
| 文件大小： | 252K |
| 代理商： | LA4809M |
LA4809M
No.A1569-2/15
Specifications
Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
Without signal
18
V
Allowable power dissipation
Pd max
* Mounted on a printed circuit board.
1.75
W
Maximum junction temperature
Tj max
150
°C
Operating temperature
Topr
-30 to +75
°C
Storage temperature
Tstg
-40 to +150
°C
* Evaluation board of SANYO Semiconductor : 50mm
× 50mm × 0.8mm (Glass epoxy double-side PCB)
Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
12
V
Recommended load resistance
RL
16 to 32
Ω
VCC op-1
mode-B (for PO max = 160mW)
6.2 to 17
V
VCC op-2
mode-A (for PO max = 55mW)
4.2 to 17
V
Operating supply voltage range
VCC op-3
* Depending on the output power value when the
external part is added
3.6 to 17
V
* Determine the supply voltage with due consideration of the allowable power dissipation.
* Note that the supply voltage range is limited depending on the setting of the maximum output power value.
Electrical Characteristics at Ta
= 25°C, VCC = 12V, RL = 16Ω, fin = 1kHz, V3 = 2V, Pin 10 : open
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Quiescent current drain
ICCOP
No signal
3.8
6.5
mA
Standby current drain
ISTBY
No signal, Standby mode (V3 = 0.3V)
0.01
5
μA
Maximum output power-A
POMAXA
THD = 10%, mode-A
30
55
mW
Maximum output power-B
POMAXB
THD = 10%, mode-B (Pin 10 : gnd)
87
160
mW
Voltage gain
VG
Vin = -20dBV
10.2
11.7
13.2
dB
Channel balance
CHB
Vin = -20dBV
-1.5
0
+1.5
dB
Total harmonic distortion
THD
Vin = -20dBV
0.15
0.7
%
Output noise voltage
VNOUT
Rg = 620
Ω, 20 to 20kHz
18
50
μVrms
Channel separation
CHsep
Vin = -15dBV
60
72
dB
Mute attenuation level
VMT
Vin = -10dBV, Standby mode (V3 = 0.3V)
-80
-88
dBV
Ripple rejection ratio
SVRR
Rg = 620
Ω, fr = 100Hz, Vr = -10dBV
70
81
dB
Pin 2 voltage-A
V2A
mode-A
2.1
V
Pin 2 voltage-B
V2B
mode-B (Pin 10 : gnd)
3.1
V
STBY control HIGH voltage
VSBH
(Circuit power mode)
2
9
V
STBY control LOW voltage
VSBL
(Circuit standby mode)
0
0.6
V
* mode-A (Pin 10 = open) : PO max = 55mW
Pin 2 voltage : V2 = 2.1V, Internal regulator voltage : Vreg = 2
× V2 = 4.2V, Amp operating reference voltage : Vref = 1 × V2 = 2.1V
mode-B (Pin 10 = gnd) : PO max = 160mW
Pin 2 voltage : V2 = 3.1V, Internal regulator voltage : Vreg = 2
× V2 = 6.2V, Amp operating reference voltage : Vref = 1 × V2 = 3.1V
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