参数资料
型号: TAS5711PHPR
厂商: Texas Instruments
文件页数: 47/66页
文件大小: 0K
描述: IC AMP AUD DGTL 20W 2CH 48HTQFP
标准包装: 1
类型: D 类
输出类型: 2 通道(立体声,2.1)或 4 通道(四路)
在某负载时最大输出功率 x 通道数量: 21W x 2 @ 8 欧姆
电源电压: 8 V ~ 26 V
特点: 消除爆音,数字输入,I²C,I²S,静音,短路和热保护,关机,音量控制
安装类型: 表面贴装
供应商设备封装: 48-HTQFP(7x7)
封装/外壳: 48-TQFP 裸露焊盘
包装: 标准包装
产品目录页面: 860 (CN2011-ZH PDF)
其它名称: 296-25564-6
www.ti.com
SLOS600A – DECEMBER 2009 – REVISED AUGUST 2010
MODULATION LIMIT REGISTER (0x10)
The modulation limit is the maximum duty cycle of the PWM output waveform.
Table 14. Modulation Limit Register (0x10)
D7
D6
D5
D4
D3
D2
D1
D0
MODULATION LIMIT
0
99.2%
0
1
98.4%
0
1
0
97.7% (1)
0
1
96.9%
1
0
96.1%
1
0
1
95.3%
1
0
94.5%
1
93.8%
0
RESERVED
(1)
Default values are in bold.
INTERCHANNEL DELAY REGISTERS (0x11, 0x12, 0x13, and 0x14)
Internal PWM Channels 1, 2, 1, and 2 are mapped into registers 0x11, 0x12, 0x13, and 0x14.
Table 15. Channel Interchannel Delay Register Format
BITS DEFINITION
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
0
Minimum absolute delay, 0 DCLK cycles
0
1
Maximum positive delay, 31 × 4 DCLK cycles
1
0
Maximum negative delay, –32 × 4 DCLK cycles
0
RESERVED
SUBADDRESS
D7
D6
D5
D4
D3
D2
D1
D0
Delay = (value) × 4 DCLKs
0x11
1
0
1
0
1
Default value for channel 1 (1)
0x12
0
1
0
1
0
1
Default value for channel 2 (1)
0x13
1
0
1
0
1
Default value for channel 1 (1)
0x14
0
1
0
1
0
1
Default value for channel 2 (1)
(1)
Default values are in bold.
ICD settings have high impact on audio performance (e.g., dynamic range, THD, crosstalk etc.). Therefore,
appropriate ICD settings must be used. By default, the device has ICD settings for AD mode. If used in BD
mode, then update these registers before coming out of all-channel shutdown.
REGISTER
AD MODE
BD MODE
0x11
AC
B8
0x12
54
60
0x13
AC
A0
0x14
54
48
Copyright 2009–2010, Texas Instruments Incorporated
51
Product Folder Link(s): TAS5711
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