參數(shù)資料
型號(hào)： L4733TA
廠(chǎng)商： National Semiconductor Corporation
英文描述： 3 Channel 30W Audio Power Amplifier with Mute
中文描述： 3頻道功率30W音頻功率放大器靜音
文件頁(yè)數(shù)： 3/23頁(yè)
文件大?。?/td> 939K
代理商： L4733TA
Absolute Maximum Ratings
(Notes 1,
2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage |V
+
| + |V
-
|
Common Mode Input Voltage
69V
(V
+
or V
-
) and
|V
+
| + |V
-
|
≤
60V
Differential Input Voltage (Note 12)
Output Current
Power Dissipation (Note 3)
ESD Susceptability (Note 4)
ESD Susceptability (Note 5)
Junction Temperature (T
JMAX
) (Note 9)
60V
Internally Limited
125W
2.0kV
200V
150C
Soldering Information
TA Package (10 seconds)
Storage Temperature
Thermal Resistance
θ
JA
θ
JC
260C
-40C to +150C
30C/W
0.9C/W
Operating Ratings
(Notes 1, 2)
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage |V
+
| + |V
-
|
20C
≤
T
A
≤
+85C
20V
≤
V
TOTAL
≤
64V
Electrical Characteristics
(Notes 1, 2)
The following specifications apply for V
+
= +24V, V
-
= 24V, I
MUTE
= -1mA/channel and R
L
= 8
unless otherwise specified.
Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4733
Units
(Limits)
Typical
(Note 6)
18
Limit
(Notes 7, 8)
20
64
|V
+
| + |V
-
|
Power Supply Voltage (Note
10)
Mute Attenuation
GND V
-
≥
9V
V (min)
V (max)
dB
A
M
I
MUTE
= 0mA
THD+N = 10% (max), f = 1kHz,
|V
+
| = |V
-
| = 19V, R
L
= 4
|V
+
| = |V
-
| = 24V, R
L
= 8
THD+N = 1% (max), f = 1kHz,
|V
+
| = |V
-
| = 19V, R
L
= 4
|V
+
| = |V
-
| = 24V, R
L
= 8
P
O
= 1W, f = 1kHz
A
V
= 26dB
|V
+
| = |V
-
| = 19V, R
L
= 4
|V
+
| = |V
-
| = 24V, R
L
= 8
P
O
= 10W, f = 1kHz
P
O
= 10W, f = 10kHz
V
IN
= 1.2V
RMS
, f = 10kHz square
Wave, R
L
= 2k
V
CM
= 0V,
V
O
= 0V, I
O
= 0A
V
CM
= 0V, I
O
= 0mA
V
CM
= 0V, I
O
= 0mA
V
+
= 24V + V
RIPPLE
(1V
RMS
)
f
RIPPLE
= 120Hz sine, V
-
= -24V
V
-
= -24V + V
RIPPLE
(1V
RMS
)
f
RIPPLE
= 120Hz sine, V
+
= 24V
|V
+
| = |V
-
| = 24V, R
L
= 2k
,
V
O
= 20V
IHF-A-Weighting Filter,
R
IN
= 600
(Input Referred)
110
P
O
Output Power (RMS)
30
30
25
25
W (min)
W (min)
25
25
W
W
THD+N
Total Harmonic Distortion +
Noise
0.05
0.03
70
66
9
%
%
dB
dB
V/μs
X
talk
Channel Separation (Note 11)
SR
Slew Rate
I
DD
Total Quiescent Power
Supply Current
Input Offset Voltage
Input Bias Current
72
150
mA (max)
V
OS
I
B
1
10
mV (max)
μA
0.2
PSRR
Power Supply Rejection Ratio
85
dB
59
dB
A
VOL
Open Loop Voltage Gain
115
dB
e
IN
Input Noise
3.0
μV
Note 1:
All voltages are measured with respect to the ground pins, unless otherwise specified.
L
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