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| 型号： | TAS5424ATPHDRMQ1 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 116 W, 4 CHANNEL, AUDIO AMPLIFIER, PQFP64 |
| 封装： | PLASTIC, HTQFP-64 |
| 文件页数： | 19/51页 |
| 文件大小： | 1422K |
| 代理商： | TAS5424ATPHDRMQ1 |
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SLOS535B – MAY 2009 – REVISED JANUARY 2010
www.ti.com
Table 10. External Status Register 2 (0x05) Output State of Individual Channels
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
0
1
Output is in Hi-Z mode, not in low-low mode(1), default value
–
0
Channel 1 Hi-Z mode (0 = not Hi-Z, 1 = Hi-Z)
–
0
–
Channel 2 Hi-Z mode (0 = not Hi-Z, 1 = Hi-Z)
–
0
–
Channel 3 Hi-Z mode (0 = not Hi-Z, 1 = Hi-Z)
–
0
–
Channel 4 Hi-Z mode (0 = not Hi-Z, 1 = Hi-Z)
–
1
–
Channel 1 low-low mode (0 = not low-low, 1 = low-low)(1)
–
1
–
Channel 2 low-low mode (0 = not low-low, 1 = low-low)(1)
–
1
–
Channel 3 low-low mode (0 = not low-low, 1 = low-low)(1)
1
–
Channel 4 low-low mode (0 = not low-low, 1 = low-low)(1)
(1)
Low-low is defined as both outputs actively pulled to ground.
Table 11. External Status Register 3 (0x06) Play and Mute Modes
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
0
Mute mode is disabled, play mode disabled, default value, (Hi-Z mode)
–
1
Channel 1 play mode is enabled
–
1
–
Channel 2 play mode is enabled
–
1
–
Channel 3 play mode is enabled
–
1
–
Channel 4 play mode is enabled
–
1
–
Channel 1 mute mode is enabled
–
1
–
Channel 2 mute mode is enabled
–
1
–
Channel 3 mute mode is enabled
1
–
Channel 4 mute mode is enabled
Table 12. External Status Register 4 (0x07) Load Diagnostics
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
0
No channels are set in load diagnostics mode, default value
–
1
Channel 1 is in load diagnostics mode
–
1
–
Channel 2 is in load diagnostics mode
–
1
–
Channel 3 is in load diagnostics mode
–
1
–
Channel 4 is in load diagnostics mode
X
–
Reserved
Table 13. External Control Register 1 (0x08) Gain Select
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
1
0
1
0
1
0
1
0
Set gain for all channels to 26 dB, default value
–
0
Set channel 1 gain to 12 dB
–
0
1
Set channel 1 gain to 20 dB
–
1
Set channel 1 gain to 32 dB
–
0
–
Set channel 2 gain to 12 dB
–
0
1
–
Set channel 2 gain to 20 dB
–
1
–
Set channel 2 gain to 32 dB
–
0
–
Set channel 3 gain to 12 dB
–
0
1
–
Set channel 3 gain to 20 dB
–
1
–
Set channel 3 gain to 32 dB
0
–
Set channel 4 gain to 12 dB
0
1
–
Set channel 4 gain to 20 dB
1
–
Set channel 4 gain to 32 dB
26
Copyright 2009–2010, Texas Instruments Incorporated
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