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LM4947 Datasheet(PDF) 19 Page - Texas Instruments

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Part No. LM4947
Description  Mono Class D and Stereo Audio Sub-System
Download  37 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM4947 Datasheet(HTML) 19 Page - Texas Instruments

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OUTPUT POWER (mW)
0
0
50
250
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10
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40
OUTPUT POWER (mW)
0
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120
100
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100
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700
OUTPUT POWER (mW)
0
0
250
10
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5
15
25
35
45 50
OUTPUT POWER (mW)
0
0
50
10
20
30
40
50
60
70
80
90
100
5
10 15 20 25 30 35 40 45
-100
+0
-90
-80
-70
-60
-50
-40
-30
-20
-10
20
20k
50 100 200
500 1k 2k
5k 10k
FREQUENCY (Hz)
-100
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-90
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FREQUENCY (Hz)
LM4947, LM4947TLEVAL
www.ti.com
SNAS349D – JUNE 2006 – REVISED MAY 2013
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
PSRR vs Frequency
PSRR vs Frequency
VDD = 5V, AV = 0dB
VDD = 5V, AV = 0dB
Mode 6, SE
Mode 7, MONO
Figure 60.
Figure 61.
Power Dissipation vs Output Power
Power Dissipation vs Output Power
VDD = 3.3V, RL = 32Ω, f = 1kHz
VDD = 3.3V, RL = 32Ω, f = 1kHz
Mode 7, OCL
Mode 7, SE
Figure 62.
Figure 63.
Power Dissipation vs Output Power
Power Dissipation vs Output Power
VDD = 3.3V, RL = 8Ω, f = 1kHz
VDD = 3.3V, RL = 32Ω, f = 1kHz
Mode 1, 3, 5, MONO
Mode 2, 4, 6, OCL
Figure 64.
Figure 65.
Copyright © 2006–2013, Texas Instruments Incorporated
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Product Folder Links: LM4947 LM4947TLEVAL


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