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參數資料
| 型號： | LA6541 |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2 CHANNEL, AUDIO AMPLIFIER, PDSO24 |
| 封裝： | HEAT SINK, SOP-24 |
| 文件頁數： | 2/6頁 |
| 文件大?。?/td> | 66K |
| 代理商： | LA6541 |
LA6541
No.5598-2/6
Electrical Characteristics at Ta
= 25°C, VCC = 8.0V, VREF = 2.5V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Overall
No-load current drain 1
ICC1
All amp outputs ON (MUTE HI)
20
40
mA
No-load current drain 2
ICC2
All amp outputs OFF (MUTE LOW)
15
35
mA
Output offset voltage 1
VOF1
Amp 1-2 (VO1-VO2), Amp 3-4 (VO3-VO4)
-50
50
mV
Output offset voltage 2
VOF1
Amp 5-6 (VO5-VO6), Amp 7-8 (VO7-VO8)
-50
50
mV
Buffer input voltage range
IBIN
1.5
VCC-1.5
V
Input voltage rang
VIN
1.0
VCC-1.5
V
Output voltage source
VO1
RL = 8.0Ω *1
5.0
5.6
V
Output voltage sink
VO2
RL = 8.0Ω *2
1.8
2.4
V
Closed-circuit voltage gain
VG
Bridge amp
9
dB
Slew rate
SR
0.15
V/
μs
Mute ON voltage
VMUTE
*3
1.2
V
Power supply block (2SB632K used)
Output voltage
VOUT1
IO = 200mA
4.75
5.0
5.25
V
Line regulation
ΔVOLN1
5.6V
≤ VIN1 ≤ 12V
20
100
mV
Load regulation
ΔVOLD1
5mA
≤ IO ≤ 200mA
50
150
mV
Reset block
H reset output voltage
VORH
IORH = 200μA, Cd Pin open
4.73
4.98
5.23
V
L reset output voltage
VORL
IORL = 2mA, Cd-GND shorted
100
200
mV
Reset threshold voltage
VRT
*4
4.3
V
Reset hysteresis voltage
VHYS
*5
40
100
200
mV
Reset output delay time
td
Cd = 0.1
μF
10
ms
Note *1 : Voltage relative to GND when a load of 8
Ω is connected across bridge amplifier outputs (source)
*2 : Voltage relative to GND when a load of 8
Ω is connected across bridge amplifier outputs (sink)
*3 : MUTE HI supports all amplifier outputs ON ; MUTE LOW supports all amplifier outputs OFF.
*4 : 5V supply voltage when the reset output is brought to LOW
*5 : Difference between 5V supply voltage when the reset output is brought to LOW and 5V supply voltage when the reset output is brought to HI
Package Dimensions
unit : mm (typ)
3227B
112
24
13
0.8
2.8
15.2
4.3
0.3
0.65
10.5
7.9
0.25
(0.79)
2.45max
0.1
(2
.25)
SANYO : HSOP24(375mil)
0
0.5
1
1.5
2
3
2.5
--20
0
20
40
60
80
Ambient temperature, Ta – °C
Pd max -- Ta
Allowable
power
dissipation,
Pd
max
–
W
1.38
2.30
Specified board : 114.3
×76.1×1.5mm3
glass epoxy
Mounted on a board
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