参数资料
型号: MAX9880AETM+
厂商: Maxim Integrated Products
文件页数: 37/70页
文件大小: 0K
描述: IC CODEC AUDIO STEREO 48TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
类型: 立体声音频
数据接口: I²C,I²S,串行,SPI?
ADC / DAC 数量: 2 / 2
三角积分调变:
动态范围,标准 ADC / DAC (db): 82 / 96
电压 - 电源,模拟: 1.65 V ~ 1.95 V
电压 - 电源,数字: 1.65 V ~ 1.95 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(6x6)
包装: 管件
MAX9880A
Low-Power, High-Performance
Dual I2S Stereo Audio Codec
42
______________________________________________________________________________________
Digital Gain Control
The MAX9880A includes gain adjustment for the play-
back and record paths. Independent gain adjustment is
provided for the two record channels. Sidetone gain
adjustment is also provided to set the sidetone level rel-
ative to the playback level.
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
REGISTER
ADDRESS
(SEE NOTE)
LEVEL CONTROL
Sidetone
DSTS
0
DVST
0x15
Stereo DAC Level
0
SDACM
0
SDACA
0x16
Voice DAC Level
0
VDACM
VDACG
VDACA
0x17
Left ADC Level
0
AVLG
AVL
0x18
Right ADC Level
0
AVRG
AVR
0x19
BITS
FUNCTION
DSTS
Digital Sidetone Source Mixer
00 = No sidetone selected.
01 = Left ADC
10 = Right ADC
11 = Left and right ADC
Digital Sidetone Level Control. All gain settings are relative to the ADC input voltage.
Differential Headphone Output Mode
SETTING
GAIN (dB)
SETTING
GAIN (dB)
SETTING
GAIN (dB)
0x00
Off
0x0B
-20
0x16
-42
0x01
0
0x0C
-22
0x17
-44
0x02
-2
0x0D
-24
0x18
-46
0x03
-4
0x0E
-26
0x19
-48
0x04
-6
0x0F
-28
0x1A
-50
0x05
-8
0x10
-30
0x1B
-52
0x06
-10
0x11
-32
0x1C
-54
0x07
-12
0x12
-34
0x1D
-56
0x08
-14
0x13
-36
0x1E
-58
0x09
-16
0x14
-38
0x1F
-60
0x0A
-18
0x15
-40
Capacitorless and Single-Ended Headphone Output Mode
SETTING
GAIN (dB)
SETTING
GAIN (dB)
SETTING
GAIN (dB)
0x00
Off
0x0B
-25
0x16
-47
0x01
-5
0x0C
-27
0x17
-49
0x02
-7
0x0D
-29
0x18
-51
0x03
-9
0x0E
-31
0x19
-53
0x04
-11
0x0F
-33
0x1A
-55
0x05
-13
0x10
-35
0x1B
-57
0x06
-15
0x11
-37
0x1C
-59
0x07
-17
0x12
-39
0x1D
-61
0x08
-19
0x13
-41
0x1E
-63
0x09
-21
0x14
-43
0x1F
-65
DVST
0x0A
-23
0x15
-45
Table 12. Digital Gain Registers
Grayed boxes = Not used.
Note: Register addresses listed are for I2C. To get the SPI address, add 0x200 with the following exception: Register 0xFF is not
accessible through SPI.
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