参数资料
型号: MAX9853ETM+T
厂商: Maxim Integrated Products
文件页数: 46/71页
文件大小: 0K
描述: IC CODEC AUDIO STEREO 48TQFN
标准包装: 2,500
类型: 立体声音频
数据接口: 串行
分辨率(位): 18 b
ADC / DAC 数量: 2 / 2
三角积分调变:
S/N 比,标准 ADC / DAC (db): 81.5 / 88
动态范围,标准 ADC / DAC (db): 82 / 87.5
电压 - 电源,模拟: 2.6 V ~ 3.3 V
电压 - 电源,数字: 1.7 V ~ 3.3 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-WFQFN 裸露焊盘
供应商设备封装: 48-TQFN-EP(7x7)
包装: 带卷 (TR)
MAX9851/MAX9853
Stereo Audio CODECs with Microphone, DirectDrive
Headphones, Speaker Amplifiers, or Line Outputs
50
______________________________________________________________________________________
Table 18. Vibe Threshold
VTH
THRESHOLD VALUE
0x1F
31/32 x FS
0x1E
30/32 x FS
0x1D
29/32 x FS
0x1C
28/32 x FS
0x1B
27/32 x FS
0x1A
26/32 x FS
0x19
25/32 x FS
0x18
24/32 x FS
0x17
23/32 x FS
0x16
22/32 x FS
0x15
21/32 x FS
0x14
20/32 x FS
0x13
19/32 x FS
0x12
18/32 x FS
0x11
17/32 x FS
0x10
16/32 x FS
Table 20. ADC Input Mixer
INPUT SOURCE
MIXINL
LEFT ADC (REGISTER 0x0A,
Bits B7–B4)
MIXINR
RIGHT ADC (REGISTER 0x0A,
Bits B3–B0)
DESCRIPTION
Line 1
1XXX
Mix line input 1
Line 2
X1XX
Mix line input 2
Left Microphone
XX1X
Mix the left microphone input
Right Microphone
XXX1
Mix the right microphone input
VTH
THRESHOLD VALUE
0x0F
15/32 x FS
0x0E
14/32 x FS
0x0D
13/32 x FS
0x0C
12/32 x FS
0x0B
11/32 x FS
0x0A
10/32 x FS
0x09
9/32 x FS
0x08
8/32 x FS
0x07
7/32 x FS
0x06
6/32 x FS
0x05
5/32 x FS
0x04
4/32 x FS
0x03
3/32 x FS
0x02
2/32 x FS
0x01
1/32 x FS
0x00
0
Table 19. Audio Mixer Bit Descriptions
REG
B7
B6
B5
B4
B3
B2
B1
B0
0x0A
MXINL
MXINR
0x0B
MXOUTL
MXOUTR
Analog Mixer Registers (0x0A, 0x0B)
Left and Right ADC Input Mixer (MXINL/MXINR)
Table 20 shows the possible mixing configurations of
the analog input signals at the ADC. Each of the four
input signals can be routed to either the left or right
ADC independently in any combination. The ADC will
provide erroneous results if the microphones are
selected as a mixer input while the microphone circuit
is not enabled.
X = Don’t care.
相关PDF资料
PDF描述
MAX9853ETM+ IC CODEC AUDIO STEREO 48TQFN
VE-23Y-IV-F1 CONVERTER MOD DC/DC 3.3V 99W
VE-23X-IX-F4 CONVERTER MOD DC/DC 5.2V 75W
VE-23X-IX-F3 CONVERTER MOD DC/DC 5.2V 75W
VE-23X-IX-F2 CONVERTER MOD DC/DC 5.2V 75W
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