参数资料
型号: TAS5711PHPR
厂商: Texas Instruments
文件页数: 42/66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
ERROR STATUS REGISTER (0x02)
The error bits are sticky and are not cleared by the hardware. This means that the software must clear the
register (write zeroes) and then read them to determine if they are persistent errors.
Error Definitions:
MCLK Error : MCLK frequency is changing. The number of MCLKs per LRCLK is changing.
SCLK Error: The number of SCLKs per LRCLK is changing.
LRCLK Error: LRCLK frequency is changing.
Frame Slip: LRCLK phase is drifting with respect to internal Frame Sync.
Table 7. Error Status Register (0x02)
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
1
-
MCLK error
1
PLL autolock error
1
SCLK error
1
LRCLK error
1
Frame slip
1
Clip indicator
1
Overcurrent, overtemperature, overvoltage or undervoltage errors
0
Reserved
0
No errors (1)
(1)
Default values are in bold.
SYSTEM CONTROL REGISTER 1 (0x03)
The system control register 1 has several functions:
Bit D7:
If 0, the dc-blocking filter for each channel is disabled.
If 1, the dc-blocking filter (–3 dB cutoff <1 Hz) for each channel is enabled (default).
Bit D5:
If 0, use soft unmute on recovery from clock error. This is a slow recovery. Unmute takes the
same time as the volume ramp defined in register 0x0E.
If 1, use hard unmute on recovery from clock error (default). This is a fast recovery, a single step
volume ramp
Bits D1–D0: Select de-emphasis
Table 8. System Control Register 1 (0x03)
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
0
PWM high-pass (dc blocking) disabled
1
PWM high-pass (dc blocking) enabled (1)
0
Reserved (1)
0
Soft unmute on recovery from clock error
1
Hard unmute on recovery from clock error (1)
0
Reserved (1)
0
Reserved (1)
0
Reserved(1)
0
No de-emphasis (1)
0
1
De-emphasis for fS = 32 kHz
1
0
De-emphasis for fS = 44.1 kHz
1
De-emphasis for fS = 48 kHz
(1)
Default values are in bold.
Copyright 2009–2010, Texas Instruments Incorporated
47
Product Folder Link(s): TAS5711
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