参数资料
型号: MAX9853ETM+
厂商: Maxim Integrated Products
文件页数: 51/71页
文件大小: 0K
描述: IC CODEC AUDIO STEREO 48TQFN
标准包装: 43
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: 管件
MAX9851/MAX9853
Stereo Audio CODECs with Microphone, DirectDrive
Headphones, Speaker Amplifiers, or Line Outputs
______________________________________________________________________________________
55
Table 32. Headphone/Receiver Volume Control Settings
HRVOLL/HRVOLR
SETTING (dB)
0x00
+5.5
0x01
+5.0
0x02
+4.5
0x03
+4.0
0x04
+3.5
0x05
+3.0
0x06
+2.5
0x07
+2.0
0x08
+1.0
0x09
0
0x0A
-1.0
0x0B
-2.0
0x0C
-4.0
0x0D
-6.0
0x0E
-8.0
0x0F
-10.0
0x10
-12.0
0x11
-14.0
0x12
-16.0
0x13
-18.0
0x14
-20.0
HRVOLL/HRVOLR
SETTING (dB)
0x15
-22.0
0x16
-24.0
0x17
-26.0
0x18
-28.0
0x19
-30.0
0x1A
-32.0
0x1B
-34.0
0x1C
-36.0
0x1D
-38.0
0x1E
-40.0
0x1F
-42.0
0x20
-46.0
0x21
-50.0
0x22
-54.0
0x23
-58.0
0x24
-62.0
0x25
-66.0
0x26
-70.0
0x27
-74.0
0x28 to 0x3F
Mute
——
Table 33. Speaker/Line Out Gain Bit Descriptions
REG
B7
B6
B5
B4
B3
B2
B1
B0
0x16
0
SPMUT
1
LOMUT
2
SPVOLL
1
LOPGAL
2
0x17
0
SPVOLR
1
LOPGAR
2
1MAX9851. 2MAX9853
Left and Right Headphone/Receiver
Volume Control (HRVOLL/HRVOLR)
HRVOLL/HRVOLR configure the volume of the left/right
headphone output. HRVOLL and HRVOLR also control
the volume of the receiver output as the receiver signal
is a mono mix of both the left and the right headphone
signals. Code 0x00 is maximum gain while 0x3F is full
attenuation. Table 32 lists the gain setting for each
code.
Headphone Mute (HRMUT)
1 = Headphone/receiver output muted.
0 = Headphone/receiver output level set by the volume
control bits.
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