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参数资料
| 型号： | LA6543 |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP34 |
| 封装： | HEAT SINK, QFP-34 |
| 文件页数： | 2/7页 |
| 文件大小： | 77K |
| 代理商： | LA6543 |
LA6543
No. 5973-2/7
Electrical Characteristics at VCC = 12V, VS1 = 5V, VS2 = 12V, Ta = 25C
Note 1: Guaranteed design value
Note 2: MUTE turns amplifier output ON at High and OFF at Low. (At Low, output impedance becomes high.) MUTE1 and MUTE2
operate independently on the respective channels.
VCC no-load current drain
VS1 no-load current drain
VS2 no-load current drain
ICC2
IS1-1
IS1-2
IS2-1
ICC1
IS2-2
VOsink
VMUTE
IMUTE
VOFF1 to4
VIN
VOsource
VIN1 to VIN4
IO = 700 mA
min
typ
max
All outputs ON (MUTE1, MUTE2: High)
5
10
20
mA
All outputs OFF (MUTE1, MUTE2: Low)
5
10
mA
CH1 ON (MUTE1, MUTE2: High)
20
40
mA
CH1 OFF (MUTE1, MUTE2: Low)
4
mA
CH2 to CH4 ON (MUTE1, MUTE2: High)
5
10
mA
CH2 to CH4 OFF (MUTE1, MUTE2: Low)
4
mA
Output offset voltage
Potential difference between plus and minus outputs
for CH1 to CH4
–50
50
mV
Input voltage range
Input voltage range for
0.5
5
V
Output voltage (source)
Plus and minus outputs at high level
4.4
4.7
V
(sink)
Plus and minus outputs at low level
0.3
0.6
V
Closed circuit voltage gain1
VG1
Voltage gain between CH1 to CH3 BTL amplifiers
7
dB
Closed circuit voltage gain2
VG2
Voltage gain between CH4 BTL amplifiers
14
dB
Slew rate
SR
(Note 1)
0.5
V/
s
Mute ON voltage
MUTE1, MUTE2 voltage when output is ON (Note 2)
1.5
2
V
Mute ON current
MUTE1, MUTE2 voltage when output is ON (Note 2)
6
10
A
Ratings
Parameter
Symbol
Conditions
Unit
–20
0
20
40
60
80
100
0
0.2
0.4
0.6
1.0
0.8
Ambient temperature, Ta – C
Allowable
power
dissipation,
Pd
max
–
W
Pd max – Ta
0.46
0.77
IC Only
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