LM4755TS National Semiconductor, LM4755TS Datasheet - Page 3
LM4755TS
Manufacturer Part Number
LM4755TS
Description
IC,Audio Amplifier,DUAL,BIPOLAR,SIP,9PIN,PLASTIC
Manufacturer
National Semiconductor
Datasheet
1.LM4755TS.pdf
(24 pages)
Specifications of LM4755TS
Operational Class
Class-AB
Audio Amplifier Output Configuration
2-Channel Stereo
Output Power (typ)
11x2@4OhmW
Audio Amplifier Function
Speaker
Total Harmonic Distortion
0.08@8Ohm@2W%
Single Supply Voltage (typ)
12/15/18/24/28V
Dual Supply Voltage (typ)
Not RequiredV
Power Supply Requirement
Single
Power Dissipation
62.5W
Rail/rail I/o Type
No
Power Supply Rejection Ratio
50dB
Single Supply Voltage (min)
9V
Single Supply Voltage (max)
32V
Dual Supply Voltage (min)
Not RequiredV
Dual Supply Voltage (max)
Not RequiredV
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
9 +Tab
Package Type
TO-263
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LM4755TSX
Manufacturer:
NS/国半
Quantity:
20 000
Company:
Part Number:
LM4755TSX/NOPB
Manufacturer:
SUPERTEX
Quantity:
659
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