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參數(shù)資料
| 型號(hào)： | LA6539M |
| 元件分類(lèi)： | 音頻／視頻放大 |
| 英文描述： | 3 CHANNEL, AUDIO AMPLIFIER, PDSO30 |
| 封裝： | MFP-30 |
| 文件頁(yè)數(shù)： | 2/4頁(yè) |
| 文件大小： | 136K |
| 代理商： | LA6539M |
No. 5630-2/4
LA6539M
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
VCC no-load current drain
ICC1
All outputs on (mute 1 and 2: high) *1, 2
4
8
15
mA
ICC2
All outputs off (mute 1 and 2: low) *1
4
10
mA
VS1 no-load current drain
IS1-1
Channel U: on (mute 1: high)
5
10
mA
IS1-2
Channel U: off (mute 1: low)
1
mA
VS2 no-load current drain
IS2-1
Channels V and W: on (mute 2: high) *2
10
20
mA
IS2-2
Channels V and W: off (mute 2: low)
1
mA
Output offset voltage
VOF1 to VOF3 Voltage differential between the channel U and W outputs
50
+50
mV
Input voltage range
VIN
Voltage range for VIN1 to VIN3
0.5
5
V
Buffer amplifier output voltage
VBUFFER1
Voltage difference relative to 1/2 VS1
50
0
+50
mV
VBUFFER2
Voltage difference relative to 1/2 VS2
50
0
+50
mV
Output source voltage
VO1
Output high, IO = 700 mA, all + outputs
4.4
4.7
V
Output sink voltage
VO2
Output low, IO = 700 mA, all + outputs
0.3
0.6
V
Closed circuit voltage gain
VG
Bridge amplifier
6
dB
Slew rate
SR
0.5
V/s
Mute on voltage
VMUTE1, 2
The voltage applied to MUTE1 or MUTE2 at the point
1.5
2
V
where the output goes on.
Mute on current
IMUTE1, 2
The influx current to MUTE1 or MUTE2 at the point
6
10
A
where the output goes on.
Notes: 1. When MUTE1 is high, the channel U output will be on.
2. When MUTE2 is high, the channel V and W outputs will be on.
Note: MUTE1 only operates for channel U, and MUTE2 only operates for channels V and W. MUTE1 and MUTE2 operate independently.
Continued on next page.
Truth Table
Operating Characteristics at Ta = 25C, VCC = 12 V, VS1 = VS2 = 5 V
Input
MUTE
CH-U
CH-V
CH-W
(VIN pins)
(MUTE1, 2)
UOUT +
UOUT
VOUT +
VOUT
WOUT +
WOUT
H
L
H
L
H
L
L
H
L
H
L
H
L
H
L
Pin Functions
Pin No.
Pin
Function
Equivalent circuit
1, 2, 14,
15, 16, 17,
RF
Substrate (lowest potential)
29, 30
3
GND
Ground
4
VIN1
Channel U input
5
VIN1A
Channel U input (for gain adjustment)
7
VIN2
Channel V input
8
VIN2A
Channel V input (for gain adjustment)
9
VIN3
Channel W input
10
VIN3A
Channel W input (for gain adjustment)
6
MUTE1
Channel U output on/off control
11
BUFFER OUT1
Buffer amplifier 1 output (1/2 VS1: typical),
Generates the output stage reference voltage for channel U.
12
BUFFER OUT2
Buffer amplifier 2 output (1/2 VS2: typical),
Generates the output stage reference voltage for channels V and W.
13
VCC
Power supply
18
NC
Unused
19
MUTE2
Channels V and W on/off control
20
VS2
Channels V and W output stage power supply
Drive
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