參數(shù)資料
型號: MAX9851ETM+
廠商: Maxim Integrated Products
文件頁數(shù): 47/71頁
文件大小: 0K
描述: IC CODEC AUDIO STEREO 48TQFN-EP
標(biāo)準(zhǔn)包裝: 43
類型: 立體聲音頻
數(shù)據(jù)接口: 串行
分辨率(位): 18 b
ADC / DAC 數(shù)量: 2 / 2
三角積分調(diào)變:
S/N 比,標(biāo)準(zhǔn) ADC / DAC (db): 81.5 / 88
動態(tài)范圍,標(biāo)準(zhǔn) ADC / DAC (db): 82 / 87.5
電壓 - 電源,模擬: 2.6 V ~ 3.3 V
電壓 - 電源,數(shù)字: 1.7 V ~ 3.3 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 48-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 48-TQFN-EP(7x7)
包裝: 管件
產(chǎn)品目錄頁面: 1392 (CN2011-ZH PDF)
MAX9851/MAX9853
Stereo Audio CODECs with Microphone, DirectDrive
Headphones, Speaker Amplifiers, or Line Outputs
______________________________________________________________________________________
51
Table 21 shows the possible mixing configurations of
the analog audio output mixer. The sidetone, line 1, and
line 2 signals can be routed to either the left or right
audio output in the combinations shown in Table 21.
The left DAC output is only available on the left audio
output and similarly for the right DAC output.
Table 21. Analog Output Mixer
INPUT SOURCE
MXOUTL
LEFT AUDIO OUTPUT
(REGISTER 0x0B,
BITS B7–B4)
MXOUTR
RIGHT AUDIO OUTPUT
(REGISTER 0x0B,
BITS B3–B0)
DESCRIPTION
Sidetone
1XXX
Mix the sidetone
Line 1
X1XX
Mix line input 1
Line 2
XX1X
Mix line input 1
Left DAC Output
XXX1
XXXX
Mix the left DAC output to the left analog
output
Right DAC Output
XXXX
XXX1
Mix the right DAC output to the right analog
output
Left and Right Audio Output Mixer (MXOUTL/MXOUTR)
Table 22. Digital Audio Input Gain Bit Descriptions
REG
B7
B6
B5
B4
B3
B2
B1
B0
0x0C
PGADS1
0x0D
PGADS2
Audio Gain Control Registers (0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11)
Table 23. Digital Audio Input Gain Settings
PGADS1/
PGADS2
SETTING (dB)
0x00
0
0x0E
-1
0x1C
-2
0x29
-3
0x35
-4
0x40
-5
0x4A
-6
0x55
-7
0x5E
-8
0x67
-9
0x70
-10
0x78
-11
0x7F
-12
0x86
-13
PGADS1/
PGADS2
SETTING (dB)
0x8D
-14
0x93
-15
0x99
-16
0x9F
-17
0xA5
-18
0xAA
-19
0xAE
-20
0xB3
-21
0xB7
-22
0xBB
-23
0xBF
-24
0xC2
-25
0xC6
-26
0xC9
-27
PGADS1/
PGADS2
SETTING (dB)
0xCC
-28
0xCF
-29
0xD2
-30
0xD4
-31
0xD6
-32
0xD9
-33
0xDB
-34
0xDD
-35
0xDF
-36
0xE1
-37
0xE2
-38
0xE4
-39
0xE5
-40
0xFF
Mute
Programmable-Gain Adjustment for Digital Audio
Inputs (PGADS1/PGADS2)
PGADS1/PGADS2 configures the gain adjustment for the
digital audio interface inputs. Code 0x00 is full signal
while 0xFF is full attenuation. This programmable-gain
adjustment follows the mono mixers. Table 23 shows
simplified gain control settings for digital signal inputs.
X = Don’t care.
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MAX9851ETM+ 功能描述:接口—CODEC Stereo Audio CODEC w/DirectDrive Amp RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
MAX9851ETM+T 功能描述:接口—CODEC Stereo Audio CODEC w/DirectDrive Amp RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
MAX9851EVCMODU 功能描述:音頻 IC 開發(fā)工具 Evaluation Kit/Evaluation System for the MAX9851 RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V
MAX9851EVKIT 功能描述:音頻 IC 開發(fā)工具 Evaluation Kit/Evaluation System for the MAX9851 RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V
MAX9853ETM+ 功能描述:接口—CODEC Stereo Audio CODEC w/DirectDrive Amp RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel