LM4831VF National Semiconductor, LM4831VF Datasheet - Page 2

• Manufacturer Part Number: LM4831VF
• Description: IC AMP AUDIO PWR 1.5W AB 44LQFP
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM4831VF

• Output Type: 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 1.5W x 2 @ 4 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: Depop, Input Multiplexer, Microphone, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 44-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: *LM4831VF

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Symbol
V
I
I
V
P
THD
V
E
PSRR
X
I
Electrical Characteristics
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
SD
TS
DD
(Notes 1, 2) The following specifications apply for V
measurements represent the full audio chain from Input A of each channel to their respective output. Limits apply for
T
DD
DD/2
O
OS
Noise
TALK
A
Supply Voltage
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature
Soldering Information
= 25˚C.
Small Outline Package
Supply Voltage
Quiescent Power Supply
Current
Shutdown Current
Half Supply Bypass Voltage
Output Power - Bridged
Mode
Output Power -
Single-Ended Mode
Total Harmonic Distortion
Output Offset Voltage
Input Referred Noise
Power Supply Rejection
Ratio
Channel to Channel
Crosstalk
TRI-STATE
Ended Mode
Parameter
®
Current-Single
−0.3V to V
Internally limited
−65˚C to 150˚C
General Characteristics For Entire IC
(Note 2)
DD
Bridged Mode, I
Single-Ended Mode, I
Docking Station Mode, I
V
V
R
R
R
R
Bridged Mode, P
Single-Ended Mode, P
R
V
A-Weighted Filter, V
R
Bridged Output
Single-Ended Output
f = 1kHz, C
Bridged Output
Single-Ended Output
f = 1kHz, P
Right to Left
Left to Right
V
R_PA+OUT = V
PIN-43
IN
IN
PIN-41
L
L
L
L
L
L
2500V
150˚C
+0.3V
= 8 ,THD = 1%
= 4 , THD = 1%
= 8 , THD = 1%
= 4 , THD = 1%
= 8
= 8
200V
= 0V, V
= 0V
6.0V
DD
Power Amplifiers
= 5V, V
= 4.0V, L_PA+OUT =
= 5V, R
O
B
Pin-43
Conditions
= 0.5µF, R
= 1W, R
2
L
O
PIN-41
DD
O
= 8
= 0V
= 0 mA
= 1W, R
Operating Ratings
or GND
IN
O
L
See AN-450 “Surface Mounting and their Effects on
Product Reliability” for other methods of soldering
surface mount devices.
Thermal Resistance
= V
O
= 0V,
and f = 1 kHz, unless otherwise specified. Distortion
= 8
= 0 mA
O
L
Temperature Range
Supply Voltage
= 225mW,
JC
JA
PIN-42
= 8
= 0 mA
Vapor Phase (60 sec.)
Infrared (15 sec.)
L
(typ)
(typ)
= 8
= 0V
Typical
(Note
10.5
2.45
0.15
300
550
−82
−73
1.1
1.5
0.5
16
45
35
47
45
80
6)
7
2
5
LM4831
Limit
(Note
2.7
100
100
100
2.7
5.5
2.4
2.6
2.0
50
50
50
7)
1
−40˚C to 85˚C
V
DD
15˚C/W
62˚C/W
mA (max)
mV (Max)
5.5V
µA (max)
µV (max)
µV (max)
µA (max)
% (Max)
(Limits)
V (max)
V (max)
W (min)
V (min)
V (min)
215˚C
220˚C
Units
mW
mW
mA
mA
dB
dB
dB
dB
W
%