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LM4855 Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part No. LM4855
Description  Boomer AUDIO POWER AMPLIFIER Integrated Audio Amplifier System
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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 3 page
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Absolute Maximum Ratings (Note 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
6.0V
Storage Temperature
−65˚C to +150˚C
ESD Susceptibility (Note 4)
2.0kV
ESD Machine model (Note 7)
200V
Junction Temperature (T
J)
150˚C
Solder Information (Note 1)
Vapor Phase (60 sec.)
215˚C
Infrared (15 sec.)
220˚C
Thermal Resistance
θ
JA (typ) - LQA24A
42˚C/W
θ
JC (typ) - LQA24A
3.0˚C/W
θ
JA (typ) - BLA18AAB
48˚C/W (Note 9)
θ
JC (typ) - BLA18AAB
23˚C/W (Note 9)
θ
JA (typ) - TLA18AAA
48˚C/W (Note 9)
θ
JC (typ) - TLA18AAA
23˚C/W (Note 9)
Operating Ratings (Note 3)
Temperature Range
−40˚C to 85˚C
Supply Voltage V
DD
2.6V
≤ V
DD
≤ 5.0V
Note 1: See AN-450 "Surface Mounting and their effects on Product Reli-
ability" for other methods of soldering surface mount devices.
Electrical Characteristics (Notes 3, 8)
The following specifications apply for V
DD= 5.0V, TA= 25˚C unless otherwise specified.
Symbol
Parameter
Conditions
LM4855
Units
(Limits)
Typical
(Note 5)
Limits
(Note 6)
I
DD
Supply Current
Output mode 1
V
IN = 0V; No loads
5.7
8
mA (max)
Output mode 1
V
IN = 0V; Loaded (Fig.1)
6.7
9
mA (max)
Output modes 2, 3, 4, 5, 6, 7
V
IN = 0V; No loads
7.5
11
mA (max)
Output modes 2, 3, 4, 5, 6, 7
V
IN = 0V; Loaded (Fig. 1)
8.5
12
mA (max)
I
SD
Shutdown Current
Output mode 0
0.1
2.0
µA (max)
V
OS
Output Offset Voltage
V
IN = 0V
5.0
40
mV (max)
P
O
Output Power
SPKR
OUT;RL =4
THD+N = 1%; f = 1kHz, LM4855LQ
1.5
W
SPKR
OUT;RL =8
THD+N = 1%; f = 1kHz
1.1
0.8
W (min)
R
OUT and LOUT;RL =32
THD+N = 0.5%; f = 1kHz
115
70
mW (min)
THD+N
Total Harmonic Distortion Plus
Noise
SPKR
OUT
f = 20Hz to 20kHZ
P
OUT = 400mW; RL =8
0.5
%
R
OUT and LOUT
f = 20Hz to 20kHZ
P
OUT = 50mW; RL =32
0.5
%
N
OUT
Output Noise
A-weighted (Note 10)
29
µV
www.national.com
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