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TAS2781RYYR Datasheet(PDF) 53 Page - Texas Instruments

No. de pieza TAS2781RYYR
Descripción Electrónicos  TAS2781 24-V Class-D Amplifier with Real Time Integrated Speaker Protection and Audio Processing
PDF  90 Pages
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Fabricante Electrónico  TI2 [Texas Instruments]
Página de inicio  https://www.ti.com
Logo TI2 - Texas Instruments

TAS2781RYYR Datasheet(HTML) 53 Page - Texas Instruments

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8.9.58 Page = 0x00 Address = 0x67 [Reset = 00h]
Bit
Field
Type
Reset
Description
7-2
Reserved
R
00h
Reserved
1-0
IDCH_HYST[1:0]
RW
0h
Idle channel hysterisis timer
0h = 50 ms (default)
1h = 100 ms
2h = 200 ms
3h = 1000 ms
*For sampling rates fs < 48 ksps multiply the values by 48/fs
8.9.59 Page = 0x00 Address = 0x68 [Reset = 30h]
Bit
Field
Type
Reset
Description
7-6
Reserved
R
0h
Reserved
5-0
FS_RATIO[5:0]
RW
30h
Detected SBCLK to FSYNK ratio. See Table 8-10.
Table 8-10. Detected SBCLK to FSYNC Ratio
00h = 16
01h = 24
02h = 32
03h = 48
04h = 64
05h = 96
06h = 128
07h = 192
08h = 256
09h = 384
0Ah = 512
0Bh = 125
0Ch = 250
0Dh = 500
0Eh - 3Fh = Reserved
8.9.60 Page = 0x00 Address = 0x6A [Reset = 12h]
Bit
Field
Type
Reset
Description
7-6
CDS_DLY[1:0]
RW
0h
Delay (1/fs) of the Y-bridge switching with respect to the input
signal. See Table 8-11.
5-4
LVS_DLY[1:0]
RW
1h
Delay (1/fs) of the PWM_CTRL pin signaling with respect to the
input signal, when Class H is disabled. See Table 8-12.
3-0
LVS_RTH[3:0]
RW
2h
Relative threshold for Low Voltage Signaling (headroom from
PVDDL voltage).
0h = 0.5 V
1h = 0.6 V
2h = 0.7 V
...
Eh = 1.9 V
Fh = 2 V
Table 8-11. CDS Delay (1/fs)
48 ksps
96 ksps
NG Enabled
NG Disabled
NG Enabled
NG Disabled
0h (default)
8.1
6.1
12.6
9.6
1h
7.1
5.1
10.6
7.6
2h
6.1
4.1
8.5
5.6
3h
5.6
3.6
7.6
4.6
Table 8-12. LVS_Delay (1/fs)
48 ksps
96 ksps
NG Enabled
NG Disabled
NG Enabled
NG Disabled
0h
7.8
5.8
12.1
9.1
1h (default)
6.8
4.8
10.1
7.1
2h
5.8
3.8
8.1
5.1
3h
5.1
3.1
6.6
3.6
www.ti.com
TAS2781
SLOSE86B – JULY 2022 – REVISED JULY 2023
Copyright © 2023 Texas Instruments Incorporated
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Product Folder Links: TAS2781



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