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參數(shù)資料
| 型號(hào)： | TAS5518PAGRG4 |
| 廠(chǎng)商： | TEXAS INSTRUMENTS INC |
| 元件分類(lèi)： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | GREEN, PLASTIC, TQFP-64 |
| 文件頁(yè)數(shù)： | 48/105頁(yè) |
| 文件大?。?/td> | 1514K |
| 代理商： | TAS5518PAGRG4 |
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TAS5518 Controls and Status
39
SLES115 — August 2004
TAS5518
2.3.3.1
Using Line Outputs in 6-Channel Configurations
The audio system can be configured for a 6-channel configuration (with 2 line outs) by writing a 1 to bit D1
of register 0xE0 (General Control Register). In this configuration, channel 5 and 6 processing are exactly the
same as the other channels, except that Master Volume has no effect.
Note that in 6-channel configuration, channels 5 and 6 are unaffected by backend error (BKND_ERR goes
low).
To use channels 5 and 6 as dry unprocessed line outs, the following setup should be done:
Channel 5 volume and channel 6 volume should be set for a constant output such as 0 dB.
Bass and Treble for channels 5 and 6 can be used if desired.
DRC1 should be by-passed for channels 5 and 6.
If enabled, the loudness function shapes the response of channels 5 and 6. However, the amplitude of
5 and 6 are not used in determining the loudness response.
If a down mix is desired on the channel 5 and 6 as line out, the down mixing can be performed using the
channel 5 and channel 6 input mixers.
The operation of the channel 5 and 6 biquads is unaffected by the 6/8 channel configuration setting.
2.3.4 Recovery from Clock Error
The TAS5518 can be set to either perform a volume ramp up during the recovery sequence of a clock error
or to simply come up in the last state (or desired state if a volume or tone update was in progress). This feature
is enabled via I2C system control register 0x03.
2.3.5 Power Supply Volume Control Enable
The power supply volume control (PSVC) can be enabled and disabled via I2C register 0xE0. The subwoofer
PWM output can configured to be controlled by the PSVC or digitally attenuated when PSVC is enabled (for
powered subwoofer configurations). Note that PSVC cannot be simultaneously enabled along with unmute
outputs after clock error feature.
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| TAS5518PAGR | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| TAS5518PAGG4 | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
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| TAS5601DCARG4 | 20 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO56 |
| TAS5601DCAR | 20 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO56 |
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