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TAS5548 Datasheet(PDF) 83 Page - Texas Instruments

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Part # TAS5548
Description  8-Channel HD Compatible Audio Processor with ASRC and PWM Output
PDF  120 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TAS5548 Datasheet(HTML) 83 Page - Texas Instruments

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TAS5548
www.ti.com
SLES270 – NOVEMBER 2012
11.12 Modulation Index Limit Register (0x16, 0x17, 0x18, 0x19)
Note that some power stages require a lower modulation limit than the default of 93.7%. Contact Texas
Instruments for more details about the requirements for a particular power stage.
Table 11-12. Modulation Limit Register Format
Di
LIMIT
MIN WIDTH
MODULATION
Di+3
Di+2
Di+1
(i=0 or 4)
[DCLKs]
[DCLKs]
INDEX
0
0
0
0
1
2
99.21%
0
0
0
1
2
4
98.43%
0
0
1
0
3
6
97.64%
0
0
1
1
4
8
96.85%
0
1
0
0
5
10
96.06%
0
1
0
1
6
12
95.28%
0
1
1
0
7
14
94.49%
0
1
1
1
8
16
93.70%
1
0
0
0
9
18
92.91%
1
0
0
1
10
20
92.13%
1
0
1
0
11
22
91.34%
1
0
1
1
12
24
90.55%
1
1
0
0
13
26
89.76%
1
1
0
1
14
28
88.98%
1
1
1
0
15
30
88.19%
1
1
1
1
16
32
87.40%
There are 512 DCLK Cycles per PWM frame.
Table 11-13. Modulation Index Limit Register
Register Address
D7
D6
D5
D4
D3
D2
D1
D0
x16
Modulation limit for channel 2
Modulation limit for channel 1
x17
Modulation limit for channel 4
Modulation limit for channel 3
x18
Modulation limit for channel 6
Modulation limit for channel 5
x19
Modulation limit for channel 8
Modulation limit for channel 7
Copyright © 2012, Texas Instruments Incorporated
Serial-Control Interface Register Definitions
83
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Product Folder Links: TAS5548



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