LM4902LDX National Semiconductor, LM4902LDX Datasheet - Page 3

• Manufacturer Part Number: LM4902LDX
• Manufacturer: National Semiconductor

Specifications of LM4902LDX

• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 1-Channel Mono
• Output Power (typ): 0.675x1@8OhmW
• Audio Amplifier Function: Speaker
• Total Harmonic Distortion: 0.4@8Ohm@400mW%
• Single Supply Voltage (typ): 3/5V
• Dual Supply Voltage (typ): Not RequiredV
• Power Supply Requirement: Single
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 70dB
• Single Supply Voltage (min): 2V
• Single Supply Voltage (max): 5.5V
• 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: 8
• Package Type: LLP EP
• Lead Free Status / Rohs Status: Not Compliant

I
I
V
P
THD+N
PSRR
I
I
V
P
THD+N
PSRR
DD
SD
DD
SD
Symbol
Symbol
OS
O
OS
O
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 for V
25˚C
Electrical Characteristics
The following specifications apply for V
25˚C
Supply Voltage
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature
Soldering Information
Small Outline Package
Vapor Phase (60 sec.)
Quiescent Power Supply Current
Shutdown Current
Output Offset Voltage
Output Power
Total Harmonic Distortion+Noise
Power Supply Rejection Ratio
Quiescent Power Supply Current
Shutdown Current
Output Offset Voltage
Output Power
Total Harmonic Distortion+Noise
Power Supply Rejection Ratio
Parameter
Parameter
−0.3V to V
DD
DD
−65˚C to +150˚C
Internally limited
= 5V, for all available packages, unless otherwise specified. Limits apply for T
= 3.3V, for all available packages, unless otherwise specified. Limits apply for T
(Notes 1, 2)
(Note 1) (Note 2)
V
V
V
THD = 1% (max); f = 1kHz; R
P
20Hz
V
V
V
V
THD = 1% (max); f = 1kHz; R
P
20Hz
V
(Note 2)
DD
IN
PIN1
IN
O
RIPPLE
IN
PIN1
IN
O
RIPPLE
f = 217Hz (Note 10)
f = 1KHz (Note 10)
f = 217Hz (Note 11)
f = 1KHz (Note 11)
f = 217Hz (Note 10)
f = 1KHz (Note 10)
f = 217Hz (Note 11)
f = 1KHz (Note 11)
= 400 mWrms; A
= 250 mWrms; A
= 0V, I
= 0V
= 0V, I
= 0V
+ 0.3V
2000V
150˚C
215˚C
200V
=GND
= GND
6.0V
f
f
= 200mV sine p-p
= 200mV sine p-p
O
O
20kHz, BW
20kHz, BW
= 0A (Note 8)
= 0A (Note 8)
Conditions
Conditions
3
Operating Ratings
See AN-450 “Surface Mounting and their Effects on
Product Reliability” for other methods of soldering surface
mount devices.
Thermal Resistance
Temperature Range
Supply Voltage
VD
VD
T
<
<
JC
JA
JA
MIN
= 2; R
= 2; R
Infrared (15 sec.)
80kHz
80kHz
(MSOP)
(LLP)
(MSOP)
T
L
L
L
L
A
= 8 ;
= 8 ;
= 8 ;
= 8 ;
T
MAX
(Note 6)
(Note 6)
Typical
Typical
675
265
0.1
0.4
0.1
0.4
70
67
55
55
73
70
60
68
4
5
3
5
LM4902
LM4902
(Notes 7,
(Notes 7,
−40˚C
Limit
Limit
2.0V
300
6.0
50
50
9)
9)
5
5
3
T
V
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A
DD
190˚C/W
mA (max)
mV (max)
mW (min)
mA (max)
mV (max)
56˚C/W
67˚C/W
µA (max)
µA (max)
(Limits)
(Limits)
+85˚C
220˚C
Units
Units
A
mW
5.5V
dB
dB
%
%
A
=
=