LM4876M/NOPB National Semiconductor, LM4876M/NOPB Datasheet - Page 4

• Manufacturer Part Number: LM4876M/NOPB
• Description: IC AMP AUDIO PWR 1.5W MONO 8SOIC
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM4876M/NOPB

• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 1.5W x 1 @ 8 Ohm
• Voltage - Supply: 2 V ~ 5.5 V
• Features: Shutdown, Thermal Protection
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Amplifier Class: AB
• No. Of Channels: 1
• Output Power: 1.1W
• Supply Voltage Range: 2V To 5.5V
• Load Impedance: 8ohm
• Operating Temperature Range: -40°C To +85°C
• Amplifier Case Style: SOIC
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *LM4876M; *LM4876M/NOPB; LM4876M

www.national.com
External Components Description
Typical Performance Characteristics
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
THD+N vs Frequency
THD+N vs Frequency
i
i
at f
at f
C
C
= 1/(2π R
= 1/(2π R
10129903
10129905
i
i
C
C
i
i
).
). Refer to the section, Proper Selection of External Components,
Functional Description
4
i
.
THD+N vs Output Power
THD+N vs Frequency
i
.
B
f
. This resistor also forms a
.
10129906
10129904