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LM4931ITL/NOPB Datasheet(PDF) 27 Page - Texas Instruments

Part # LM4931ITL/NOPB
Description  LM4931 Boomer™ Audio Power Amplifier Series Audio Subsystem with Mono High Efficiency Loudspeaker and Stereo Headphone Amplifiers
PDF  50 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

LM4931ITL/NOPB Datasheet(HTML) 27 Page - Texas Instruments

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20
100
1k
100k
FREQUENCY (Hz)
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
+0
10k
-95
-85
-75
-65
-55
-45
-35
-25
-15
-5
200
2k
20k
500
5k
50k
50
20
100
1k
100k
FREQUENCY (Hz)
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
+0
10k
-95
-85
-75
-65
-55
-45
-35
-25
-15
-5
200
2k
20k
500
5k
50k
50
1
PCM INPUT VOLTAGE (FFS)
0.01
0.1
1
10
20m
0.02
0.2
2
0.05
0.5
5
100m
200m
30m
300m
40m
400m
50m
500m
60m
600m
70m
700m
80m
900m
1
PCM INPUT VOLTAGE (FFS)
0.01
0.1
1
10
20m
0.02
0.2
2
0.05
0.5
5
100m
200m
30m
300m
40m
400m
50m
500m
60m
600m
70m
700m
80m
900m
1
PCM INPUT VOLTAGE (FFS)
0.01
0.1
1
10
20m
0.02
0.2
2
0.05
0.5
5
100m
200m
30m
300m
40m
400m
50m
500m
60m
600m
70m
700m
80m
900m
1
PCM INPUT VOLTAGE (FFS)
0.01
0.1
1
10
20m
0.02
0.2
2
0.05
0.5
5
100m
200m
30m
300m
40m
400m
50m
500m
60m
600m
70m
700m
80m
900m
LM4931
www.ti.com
SNAS251E – APRIL 2004 – REVISED MAY 2013
Typical Performance Characteristics (continued)
THD+N vs PCM Input Voltage
THD+N vs PCM Input Voltage
(Handsfree Output, 0dB Handsfree Gain, AVDD = 5V)
(Handsfree Output, 0dB Handsfree Gain, AVDD = 3V)
Figure 38.
Figure 39.
THD+N vs PCM Input Voltage
THD+N vs PCM Input Voltage
(Headphone Output, 0dB Headphone Gain, AVDD = 5V)
(Headphone Output, 0dB Headphone Gain, AVDD = 3V)
Figure 40.
Figure 41.
PSRR vs Frequency
PSRR vs Frequency
(AVDD = 5V, RL = 32Ω, Headphone Output, Mode 6)
(AVDD = 3V, RL = 32Ω, Headphone Output, Mode 6)
Figure 42.
Figure 43.
Copyright © 2004–2013, Texas Instruments Incorporated
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