参数资料
型号: TAS5508PAGR
厂商: TEXAS INSTRUMENTS INC
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封装: GREEN, PLASTIC, TQFP-64
文件页数: 49/105页
文件大小: 1286K
代理商: TAS5508PAGR
3.3.2
Headphone Configuration Registers
3.3.3
Audio System Configurations
TAS5508
8-Channel Digital Audio PWM Processor
SLES091D – FEBRUARY 2004 – REVISED JULY 2009
www.ti.com
Table 3-6 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 3-6. Recommended TAS5508 Configurations for Texas Instruments Power Stages
DEVICE
ERROR RECOVERY
CONFIGURATION
D7
D6
D5
D4
D3
D2
D1
D0
BTL
1
0
RES
SE
1
0
TAS5111
(default)
BTL
0
1
0
AUT
SE
0
1
0
BTL
1
0
RES
SE
1
0
TAS5112
BTL
0
1
0
AUT
SE
0
1
0
BTL
1
0
1
0
TAS5182
RES
SE
1
0
1
0
RES: To recover from a shutdown, the output stage requires VALID to go low.
AUT: The power stage can auto-recover from a shutdown.
BTL: Bridge-tied load configuration
SE: Single-ended configuration
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. However, only one configuration setting for headphones is
used, and that is the default setting.
The TAS5508 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
D2
Enables/disables power-supply volume control
D1
Sets number of speakers in the system, including possible line outputs
D3–D1 must be configured for the audio system in the application, as shown in Table 3-7.
48
TAS5508 Controls and Status
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