LM4902MM/NOPB National Semiconductor, LM4902MM/NOPB Datasheet - Page 5

• Manufacturer Part Number: LM4902MM/NOPB
• Description: IC AMP AUDIO PWR .675W AB 8MSOP
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM4902MM/NOPB

• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 675mW x 1 @ 8 Ohm
• Voltage - Supply: 2 V ~ 5.5 V
• Features: Depop, Shutdown, Thermal Protection
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4902MM; LM4902MMTR

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External Components Description
Typical Performance
Characteristics
Components
(Figure 1)
R
C
R
C
C
i
i
F
S
B
Inverting input resistance which sets the closed-loop gain in conjunction with R
high pass filter with C
Input coupling capacitor which blocks the DC voltage at the amplifier’s input terminals. Also creates a
highpass filter with R
for an explanation of how to determine the value of C
Feedback resistance which sets the closed-loop gain in conjunction with R
Supply bypass capacitor which provides power supply filtering. Refer to the Power Supply Bypassing
section for information concerning proper placement and selection of the supply bypass capacitor.
Bypass pin capacitor which provides half-supply filtering. Refer to the Proper Selection of External
Components for information concerning proper placement and selection of C
THD+N vs Frequency
THD+N vs Frequency
i
i
at f
at f
c
c
= 1/(2 R
= 1/(2 R
20029830
20029832
i
C
i
C
i
). Refer to the section, Proper Selection of External Components,
I
).
Functional Description
5
i
.
THD+N vs Frequency
THD+N vs Frequency
i
.
B
F
.
. This resistor also forms a
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20029831
20029833