LM4755_02 NSC [National Semiconductor], LM4755_02 Datasheet - Page 3

• Manufacturer Part Number: LM4755_02
• Description: Stereo 11W Audio Power Amplifier with Mute
• Manufacturer: NSC [National Semiconductor]

I
P
THD
V
X
PSRR
V
SR
R
PBW
A
e
I
Mute Pin
V
V
A
TOTAL
O
IN
O
OSW
TALK
ODV
VCL
IL
IH
M
IN
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
The following specifications apply to each channel with V
Symbol
Supply Voltage
Input Voltage
Output Current
Power Dissipation (Note 3)
ESD Susceptability (Note 4)
Junction Temperature
Soldering Information
Total Quiescent Power
Supply Current
Output Power (Continuous
Average per Channel)
Total Harmonic Distortion
Output Swing
Channel Separation
Power Supply Rejection Ratio
Differential DC Output Offset
Voltage
Slew Rate
Input Impedance
Power Bandwidth
Closed Loop Gain (Internally Set) R
Noise
Output Short Circuit Limit
Mute Low Input Voltage
Mute High Input Voltage
Mute Attenuation
Parameter
Internally Limited
(Note 2)
Mute Off
Mute On
f = 1 kHz, THD+N = 10%, R
f = 1 kHz, THD+N = 10%, R
V
V
f = 1 kHz, THD+N = 10%, R
V
f = 1 kHz, P
P
P
See Apps. Circuit
f = 1 kHz, V
See Apps. Circuit
f = 120 Hz, V
V
3 dB BW at P
IHF-A Weighting Filter, R
Output Referred
V
Not in Mute Mode
In Mute Mode
V
S
S
S
O
O
IN
IN
MUTE
L
= 8Ω
= 20V, R
= 20V, R
= 12V, TO-263 Pkg.
= 10W, R
= 10W, R
62.5W
= 0V
= 0.5V, R
±
150˚C
0.7V
2 kV
40V
= 5.0V
CC
O
O
= 24V, T
L
L
L
L
O
L
O
= 8Ω
= 4Ω
Conditions
= 1 W/ch, R
= 4 Vrms
3
= 8Ω
= 4Ω
= 2Ω
= 1 mVrms
= 2.5W, R
Operating Ratings
Storage Temperature
Temperature Range
Supply Voltage
θ
θ
JC
JA
A
T Package (10 seconds)
T
= 25˚C unless otherwise specified.
MIN
L
L
L
= 8Ω
≤ T
= 8Ω
= 8Ω
L
L
L
= 8Ω
= 4Ω
= 4Ω
A
≤ T
MAX
(Note 5)
Typical
0.08
0.09
2.5
0.2
2.0
10
11
15
14
55
50
83
65
34
80
7
7
4
7
2
LM4755
−40˚C ≤ T
Limit
0.4
0.8
2.5
15
10
33
35
7
2
−40˚C to 150˚C
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9V to 32V
A
mA(max)
≤ +85˚C
mA(min)
dB(max)
(Limits)
dB(min)
76˚C/W
W(min)
V(max)
mVrms
V(max)
A(min)
V(min)
Units
2˚C/W
250˚C
V/µs
kHz
mA
dB
dB
kΩ
dB
W
W
W
W
%
V
V