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LM4991 Datasheet(PDF) 7 Page - Texas Instruments

Part # LM4991
Description  LM4991 3W Audio Power Amplifier with Shutdown Mode
PDF  27 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

LM4991 Datasheet(HTML) 7 Page - Texas Instruments

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20
100
1k
10k 20k
FREQUENCY (Hz)
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
20
100
1k
10k 20k
FREQUENCY (Hz)
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10m
100m
1
OUTPUT POWER (W)
0.01
0.1
1
10
10m
100m
500m
OUTPUT POWER (W)
0.01
0.1
1
10
10m
100m
1
OUTPUT POWER (W)
0.01
0.1
1
10
10m
100m
1
OUTPUT POWER (W)
0.01
0.1
1
10
LM4991
www.ti.com
SNAS217A – MAY 2004 – REVISED APRIL 2013
Typical Performance Characteristics (continued)
THD+N vs Output Power
THD+N vs Output Power
VDD = 3V, RL = 4Ω, and f = 1kHz
VDD = 3V, RL = 8Ω, and f = 1kHz
Figure 12.
Figure 13.
THD+N vs Output Power
THD+N vs Output Power
VDD = 2.6V, RL = 4Ω, and f = 1kHz
VDD = 2.6V, RL = 8Ω, and f = 1kHz
Figure 14.
Figure 15.
Power Supply Rejection Ratio (PSRR) vs Frequency
Power Supply Rejection Ratio (PSRR) vs Frequency
VDD = 5V, RL = 8Ω, input 10Ω terminated
VDD = 5V, RL = 8Ω, input floating
Figure 16.
Figure 17.
Copyright © 2004–2013, Texas Instruments Incorporated
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