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LM4733 Datasheet(Fiches technique) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Numéro de pièce LM4733
Description  3 Channel 30W Audio Power Amplifier with Mute
Télécharger  23 Pages
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Fabricant  NSC [National Semiconductor (TI)]
Site Internet  http://www.national.com
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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-|
69V
Common Mode Input Voltage
(V
+ or V-) and
|V
+|+|V-|
≤ 60V
Differential Input Voltage (Note 12)
60V
Output Current
Internally Limited
Power Dissipation (Note 3)
125W
ESD Susceptability (Note 4)
2.0kV
ESD Susceptability (Note 5)
200V
Junction Temperature (T
JMAX) (Note 9)
150˚C
Soldering Information
TA Package (10 seconds)
260˚C
Storage Temperature
-40˚C to +150˚C
Thermal Resistance
θ
JA
30˚C/W
θ
JC
0.9˚C/W
Operating Ratings (Notes 1, 2)
Temperature Range
T
MIN
≤ T
A
≤ T
MAX
−20˚C
≤ T
A
≤ +85˚C
Supply Voltage |V
+|+|V-|
20V
≤ V
TOTAL
≤ 64V
Electrical Characteristics (Notes 1, 2)
The following specifications apply for V
+ = +24V, V- = −24V, I
MUTE = -1mA/channel and RL =8
Ω unless otherwise specified.
Limits apply for T
A = 25˚C.
Symbol
Parameter
Conditions
LM4733
Units
(Limits)
Typical
Limit
(Note 6)
(Notes 7, 8)
|V
+|+|V-|
Power Supply Voltage (Note
10)
GND−V
-
≥ 9V
18
20
64
V (min)
V (max)
A
M
Mute Attenuation
I
MUTE = 0mA
110
dB
P
O
Output Power (RMS)
THD+N = 10% (max), f = 1kHz,
|V
+|=|V-| = 19V, R
L =4
|V
+|=|V-| = 24V, R
L =8
30
30
25
25
W (min)
W (min)
THD+N = 1% (max), f = 1kHz,
|V
+|=|V-| = 19V, R
L =4
|V
+|=|V-| = 24V, R
L =8
25
25
W
W
THD+N
Total Harmonic Distortion +
Noise
P
O = 1W, f = 1kHz
A
V = 26dB
|V
+|=|V-| = 19V, R
L =4
|V
+|=|V-| = 24V, R
L =8
0.05
0.03
%
%
X
talk
Channel Separation (Note 11)
P
O = 10W, f = 1kHz
70
dB
P
O = 10W, f = 10kHz
66
dB
SR
Slew Rate
V
IN = 1.2VRMS, f = 10kHz square
Wave, R
L =2k
9
V/µs
I
DD
Total Quiescent Power
V
CM = 0V,
72
150
mA (max)
Supply Current
V
O = 0V, IO =0A
V
OS
Input Offset Voltage
V
CM = 0V, IO = 0mA
1
10
mV (max)
I
B
Input Bias Current
V
CM = 0V, IO = 0mA
0.2
µA
PSRR
Power Supply Rejection Ratio
V
+ =24V+V
RIPPLE (1VRMS)
f
RIPPLE = 120Hz sine, V
- = -24V
85
dB
V
- =-24V+V
RIPPLE (1VRMS)
f
RIPPLE = 120Hz sine, V
+ = 24V
59
dB
A
VOL
Open Loop Voltage Gain
|V
+|=|V-| = 24V, R
L =2k
Ω,
∆V
O = 20V
115
dB
e
IN
Input Noise
IHF-A-Weighting Filter,
R
IN = 600
Ω (Input Referred)
3.0
µV
Note 1: All voltages are measured with respect to the ground pins, unless otherwise specified.
www.national.com
3




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