参数资料
型号: TAS5709PHPR
厂商: TEXAS INSTRUMENTS INC
元件分类: 音频/视频放大
英文描述: 20.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48
封装: 7 X 7 MM, GREEN, PLASTIC, HTQFP-48
文件页数: 40/60页
文件大小: 1210K
代理商: TAS5709PHPR
MODULATION LIMIT REGISTER (0x10)
INTERCHANNEL DELAY REGISTERS (0x11, 0x12, 0x13, and 0x14)
www.ti.com ..................................................................................................................................... SLOS599A – NOVEMBER 2008 – REVISED SEPTEMBER 2009
Table 13. 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%
0
1
96.9%
1
0
96.1%
1
0
1
95.3%
1
0
94.5%
1
93.8%
0
RESERVED
Internal PWM Channels 1, 2, 1, and 2 are mapped into registers 0x11, 0x12, 0x13, and 0x14.
Table 14. 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 (eg: Dynamic Range, THD, Cross talk etc.) Therefore,
appropriate ICD settings must be used. By default device has ICD settings for AD mode.If used in BD mode,
then update these registers before coming out of all channel shutdown.
MODE
AD MODE
BD MODE
0x11
AC
B8
0x12
54
60
0x13
AC
A0
0x14
54
48
Copyright 2008–2009, Texas Instruments Incorporated
45
Product Folder Link(s): TAS5709 TAS5709A
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