LM4879SDBD National Semiconductor, LM4879SDBD Datasheet - Page 6

• Manufacturer Part Number: LM4879SDBD
• Description: BOARD EVALUATION LM4879SD
• Manufacturer: National Semiconductor
• Series: Boomer®r

Specifications of LM4879SDBD

• Amplifier Type: Class AB
• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 1.1W x 1 @ 8 Ohm
• Voltage - Supply: 2.2 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Board Type: Fully Populated
• Utilized Ic / Part: LM4879
• Lead Free Status / RoHS Status: Not applicable / Not applicable

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External Components Description
Components
(Figure 1)
1.
2.
3.
4.
5.
C
C
R
R
C
S
B
i
i
f
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 amplifiers 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 section, Proper Selection of External
Components, for information concerning proper placement and selection of C
i
i
at f
at f
c
C
= 1/(2π R
= 1/(2π R
i
i
C
C
i
i
). Refer to the section, Proper Selection of External Components,
).
Functional Description
6
i
.
i
.
B
f
. This resistor also forms a
.