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參數(shù)資料
| 型號： | LA4485 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | 5 W, Two-channel Power Amplifier with Very Few External Parts |
| 中文描述： | 5瓦，雙通道與極少的外部零件功率放大器 |
| 文件頁數(shù)： | 2/20頁 |
| 文件大?。?/td> | 497K |
| 代理商： | LA4485 |
Operating Characteristics
at Ta = 25°C, V
CC
= 13.2 V, R
L
= 4
, Rg = 600
, f = 1 kHz, Dual
Parameter
Symbol
Ist
I
CCO
VG1
VG2
P
O
1
*
P
O
2
THD
CH sep
V
NO
Conditions
min
typ
max
10
160
47
Unit
μA
mA
dB
dB
W
W
%
dB
mV
Standby current
Quiescent supply current
Pin 9 to GND, Standby switch OFF
Rg = 0
Dual: V
O
= 0 dBm
BTL: V
O
= 0 dBm
Dual: THD = 10%
BTL: THD = 10%
P
O
= 1 W
V
O
= 0 dBm, Rg = 0
Rg = 0, 20 Hz to 20 kHz bandpass filter
Rg = 0, 20 Hz to 20 kHz bandpass filter,
f
R
= 100 Hz, V
R
= 0 dBm, decoupling capacitor
connected
40
43
80
45
51
Voltage gain
Output power
4
5
11
15
Total harmonic distortion
Channel separation
Output noise voltage
0.15
55
0.15
0.8
45
0.5
Ripple rejection ratio
SVRR
40
50
dB
*: P
O
1 = 6 W (typ) when V
CC
= 14.4 V
Voff
±
250 mV for BTL-mode
Equivalent Circuit Block Diagram
Pd max – Ta
A
Infinite heat sink
No heat sink
Al heat sink
mounting
conditions
Mounting
torque
39 N
cm.
Flat washer
with silicone
grease
applied
Ambient temperature, Ta – °C
Filter
Large signal
VCC
Small signal
VCC
FILTER
CH1 IN
Input
amp
CH1
Output-to-ground
Output-to-supply
Output
amp
CH1 OUT
Therprotection
Small signal GND
REF
amp
Large signal GND
Overvoltage
protection
BTL IN
CH2 IN
Input
amp
CH2
Pre
drive
amp
Output-to-supply
Output-to-ground
Output
amp
CH2 OUT
Standby switch
Mute
BTL OUT
STANDBY
MUTE
Pre
drive
amp
LA4485
No.3680-2/20
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA4495 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Car Stereo-Use BTL-OCL 20W AF Power Amp |
| LA4496 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Car Stereo-Use BTL-OCL 20W AF Power Amp |
| LA4497 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Car Stereo-Use BTL-OCL 20W AF Power Amp |
| LA4498 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Car Stereo-Use BTL-OCL 20W AF Power Amp |
| LA44B-2EG-S23-PF | 制造商:LIGITEK 制造商全稱:LIGITEK electronics co., ltd. 功能描述:LED ARRAY |
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