LM4755T/NOPB National Semiconductor, LM4755T/NOPB Datasheet - Page 3

• Manufacturer Part Number: LM4755T/NOPB
• Description: IC AMP AUDIO PWR 11W AB TO220-9
• Manufacturer: National Semiconductor
• Type: Class ABr

Specifications of LM4755T/NOPB

• Output Type: 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 11W x 2 @ 4 Ohm
• Voltage - Supply: 9 V ~ 32 V
• Features: Mute, Short-Circuit and Thermal Protection
• Mounting Type: Through Hole
• Package / Case: TO-220-9 (Bent and Staggered Leads)
• Amplifier Class: AB
• No. Of Channels: 2
• Output Power: 11W
• Supply Voltage Range: 9V To 32V
• Load Impedance: 4ohm
• Operating Temperature Range: -40°C To +85°C
• Amplifier Case Style: TO-220
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *LM4755T; *LM4755T/NOPB; LM4755T

I
P
THD
V
X
PSRR
V
SR
R
PBW
A
ε
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
Supply Voltage
Input Voltage
Input Voltage at Output Pins (Note 8)
Output Current
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
Junction Temperature
Symbol
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)
Noise
Output Short Circuit Limit
Mute Low Input Voltage
Mute High Input Voltage
Mute Attenuation
Parameter
Internally Limited
(Note 2)
GND -0.4V
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
R
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
= 20V, R
= 20V, R
= 12V, TO-263 Pkg.
= 8Ω
= 10W, R
= 10W, R
= 0V
= 0.5V, R
62.5W
150°C
±0.7V
2 kV
= 5.0V
40V
CC
= 24V, T
O
O
L
L
L
L
O
L
= 8Ω
= 4Ω
= 1 W/ch, R
= 4 Vrms
O
= 8Ω
= 4Ω
Conditions
3
= 2Ω
= 1 mVrms
= 2.5W, R
Operating Ratings
Soldering Information
Storage Temperature
A
Temperature Range
Supply Voltage
θ
θ
JC
JA
= 25°C unless otherwise specified.
T Package (10 seconds)
T
MIN
L
L
L
= 8Ω
≤
= 8Ω
= 8Ω
L
L
L
T
= 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
Limit
0.4
0.8
2.5
15
10
33
35
7
2
−40°C to 150°C
≤
T
www.national.com
A
9V to 32V
≤
mA(max)
mA(min)
dB(max)
(Limits)
76°C/W
dB(min)
W(min)
V(max)
mVrms
V(max)
A(min)
V(min)
Units
2°C/W
+85°C
V/µs
kHz
250°C
mA
dB
dB
kΩ
dB
W
W
W
W
%
V
V