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参数资料
| 型号： | TAS5424ATPHDMQ1 |
| 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： | 20/51页 |
| 文件大小： | 1422K |
| 代理商： | TAS5424ATPHDMQ1 |
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SLOS535B – MAY 2009 – REVISED JANUARY 2010
Table 14. External Control Register 2 (0x09) DC Offset Reduction and Current Limit
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
0
Enable dc offset reduction, set current limit to level 1
–
1
Disable channel 1 dc offset reduction
–
1
–
Disable channel 2 dc offset reduction
–
1
–
Disable channel 3 dc offset reduction
–
1
–
Disable channel 4 dc offset reduction
–
1
–
Set channel 1 current limit (0 = level 1, 1 = level 2)
–
1
–
Set channel 2 current limit (0 = level 1, 1 = level 2)
–
1
–
Set channel 3 current limit (0 = level 1, 1 = level 2)
1
–
Set channel 4 current limit (0 = level 1, 1 = level 2)
Table 15. External Control Register 3 (0x0A) Switching Frequency Select and Clip_OTW Configuration
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
0
1
0
1
Set fS = 417 kHz, configure clip and OTW, 45° phase, disable hard stop
–
0
Set fS = 500 kHz
–
1
0
Set fS = 357 kHz
–
1
Invalid frequency selection (do not set)
–
0
–
Configure CLIP_OTW pin for tweeter detect only
–
0
1
–
Configure CLIP_OTW pin for clip detect only
–
1
0
–
Configure CLIP_OTW pin for overtemperature warning only
–
1
–
Enable hard-stop mode
–
1
–
Set fS to a 180° phase difference between adjacent channels
X
–
Reserved
Table 16. External Control Register 4 (0x0B) Load Diagnostics and Master/Slave Control
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
0
1
0
Disable load diagnostics and dc detect SD, master mode
–
1
Enable channel 1, load diagnostics
–
1
–
Enable channel 2, load diagnostics
–
1
–
Enable channel 3, load diagnostics
–
1
–
Enable channel 4, load diagnostics
–
1
–
Enable dc detect shutdown on all channels
–
1
–
Enable tweeter-detect mode
–
0
–
Enable slave mode (external oscillator must be provided)
X
–
Reserved
Table 17. External Control Register 5 (0x0C) Output Control
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
0
1
All channels, Hi-Z, mute, reset disabled
–
0
Set channel 1 to mute mode, non-Hi-Z
–
0
–
Set channel 2 to mute mode, non-Hi-Z
–
0
–
Set channel 3 to mute mode, non-Hi-Z
–
0
–
Set channel 4 to mute mode, non-Hi-Z
–
0
–
Set non-Hi-Z channels to play mode, (unmute)
–
1
–
Reserved
1
–
Reset device (I2C does not respond with an ACK)
Copyright 2009–2010, Texas Instruments Incorporated
27
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