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WM8775SEDS/R bảng dữ liệu(PDF) 34 Page - Wolfson Microelectronics plc

tên linh kiện WM8775SEDS/R
Giải thích chi tiết về linh kiện  24-bit, 96kHz ADC with 4 Channel I/P Multiplexer
PDF  39 Pages
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nhà sản xuất  WOLFSON [Wolfson Microelectronics plc]
Trang chủ  http://www.wolfsonmicro.com
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WM8775SEDS/R bảng dữ liệu(HTML) 34 Page - Wolfson Microelectronics plc

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WM8775
Production Data
w
PD Rev 4.1, June 2006
34
0
NGAT
0
Noise gate enable (ALC only)
0 : disabled
1 : enabled
R19 (13h)
0010011
Noise Gate
Control
4:2
NGTH
000
Noise gate threshold
000: -78dBFS
001: -72dBfs
… 6 dB steps
110: -42dBFS
111: -36dBFS
Maximum attenuation of PGA
3:0
MAXATTEN
[3:0]
0110
Limiter
(attenuation below static)
0011 or lower: -3dB
0100: -4dB
…. (-1dB steps)
1100 or higher: -12dB
ALC
(lower PGA gain limit)
1010 or lower: -1dB
1011 : -5dB
….. (-4dB steps)
1110 : -17dB
1111 : -21dB
R20 (14h)
0010100
Limiter
Control
6:4
TRANWIN [2:0]
010
Length of Transient Window
000: 0us (disabled)
001: 62.5us
010: 125us
…..
111: 4ms
3:0
AMX[3:0]
0001
ADC left channel input mixer control bits
AMX[3:0]
ADC LEFT IN
ADC RIGHT IN
0001
AIN1L
AIN1R
0010
AIN2L
AIN2L
0100
AIN3L
AIN3R
1000
AIN4L
AIN4R
6
MUTERA
0
Mute for right channel ADC
0: Mute off
1: Mute on
7
MUTELA
0
Mute for left channel ADC
0: Mute off
1: Mute on
R21 (15h)
0010101
ADC Mixer
Control
8
LRBOTH
0
Setting LRBOTH will write the same gain value to RAG[7:0] and
LAG[7:0].
R23 (17h)
0010111
Software
Reset
[8:0]
RESET
Not reset
Writing to this register will apply a reset to the device registers.
Table 13 Register Map Description



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