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參數(shù)資料
| 型號： | TAS5518PAGRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | GREEN, PLASTIC, TQFP-64 |
| 文件頁數(shù)： | 47/105頁 |
| 文件大?。?/td> | 1514K |
| 代理商： | TAS5518PAGRG4 |
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TAS5518 Controls and Status
38
SLES115 — August 2004
TAS5518
Table 26 lists the optimal setting for each output stage configuration. Note that the default value is applicable
in all configurations except the TAS5182 SE/BTL configuration.
Table 26. Recommended TAS5518 Configurations for Texas Instruments Power Stages
DEVICE
ERROR RECOVERY
CONFIGURATION
D7
D6
D5
D4
D3
D2
D1
D0
Default
RES
BTL
1
0
RES
BTL
1
0
TAS5111
RES
SE
1
0
TAS5111
AUT
BTL
0
1
0
AUT
SE
0
1
0
RES
BTL
1
0
TAS5112
RES
SE
1
0
TAS5112
AUT
BTL
0
1
0
AUT
SE
0
1
0
TAS5182
RES
BTL
1
0
1
0
TAS5182
RES
SE
1
0
1
0
RES: The output stage requires VALID to go low to recover from a shutdown.
AUT: The power stage can auto recover from a shutdown.
BTL: Bridge tied load configuration
SE: Single-ended configuration
2.3.2 Headphone Configuration Registers
The headphone configuration controls are identical to the speaker configuration controls. The headphone
configuration control settings are used in place of the speaker configuration control settings for channels 1
and 2 when the headphones are selected. In reality however, there is only one used configuration setting for
headphones and that is the default setting.
2.3.3 Audio System Configurations
The TAS5518 can be configured to comply with various audio systems: 5.1-channel system, 6-channel
system, 7.1-channel system and 8-channel system.
The audio system configuration is set in the General Control Register (0xE0). Bits D31 – D4 must be zero and
D0 is don’t care.
D3
Determines if SUB is to be controlled by PSVC (D3 is a write-only bit)
D2
Enable/Disable power supply volume control
D1
Sets number of speakers in the system, including possible line outputs
D3D1 must be configured as the following according to the audio system in the application:
Table 27. Audio System Configuration (General Control Register 0xE0)
AUDIO SYSTEM
D31D4
D3
D2
D1
D0
DEFAULT
0
X
6 channel or 5.1 NOT using PSVC
0
1
X
6 channel using PSVC
0
1
X
5.1 system using PSVC
0
1
X
8 channel or 7.1 NOT using PSVC
0
X
8 channel using PSVC
0
1
0
X
7.1 system using PSVC
0
1
0
X
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