Dual I2S Stereo Audio Codec 46 ____________" />
參數(shù)資料
型號： MAX9880AEWM+T
廠商： Maxim Integrated Products
文件頁數(shù)： 41/70頁
文件大?。?/td> 0K
描述： IC CODEC AUDIO STEREO 48WLP
產(chǎn)品培訓模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 2,500
類型： 立體聲音頻
數(shù)據(jù)接口： I²C，I²S，串行，SPI?
ADC / DAC 數(shù)量： 2 / 2
三角積分調(diào)變： 是
動態(tài)范圍，標準 ADC / DAC (db)： 82 / 96
電壓 - 電源，模擬： 1.65 V ~ 1.95 V
電壓 - 電源，數(shù)字： 1.65 V ~ 1.95 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 48-WFBGA，WLCSP
供應商設備封裝： 48-WLP（2.70x3.50）
包裝： 帶卷 (TR)
MAX9880A
Low-Power, High-Performance
Dual I2S Stereo Audio Codec
46
______________________________________________________________________________________
Microphone Inputs
Two differential microphone inputs and a low noise 1.5V
microphone bias for powering the microphones are
provided by the MAX9880A. In typical applications, the
left microphone records a voice signal and the right
microphone records a background noise signal. In
applications that require only one microphone, use the
left microphone input and disable the right ADC. The
microphone signals are amplified by two stages of gain
and then routed to the ADCs. The first stage offers
selectable 0dB, 20dB, or 30dB settings. The second
stage is a programmable gain amplifier (PGA)
adjustable from 0dB to 20dB in 1dB steps. Zero-cross-
ing detection is included on the PGA to minimize zipper
noise while making gain changes. See Figure 6 for a
detailed diagram of the microphone input structure.
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
REGISTER
ADDRESS
(SEE NOTE)
Left Microphone Gain
0
PALEN
PGAML
0x20
Right Microphone Gain
0
PAREN
PGAMR
0x21
BITS
FUNCTION
PALEN/
PAREN
Left/Right Microphone Preamplifier Gain. Enables the microphone circuitry and sets the preamplifier gain.
00 = Disabled
01 = 0dB
10 = +20dB
11 = +30dB
Table 16. Microphone Input Registers
MICLN
MICLP
MICBIAS
PGA
-
PREAMP
MICRN
ADC
L
ADC
R
MICRP
1.5V
0/20/30dB
0dB TO +20dB
VREG
0/20/30dB
PREAMP
MAX9880A
Figure 6. Microphone Input Block Diagram
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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相關代理商/技術參數(shù)
參數(shù)描述
MAX9880ETM+ 制造商:Maxim Integrated Products 功能描述:AUDIO CODEC - Rail/Tube
MAX9880EVKIT+ 制造商:Maxim Integrated Products 功能描述:STEREO AUDIO CODEC - Boxed Product (Development Kits)
MAX9880EWM+T 制造商:Maxim from Components Direct 功能描述:THE MAXIM MAX9880EWM+T IS AN AUDIO CODEC CONVERTER. - Tape and Reel 制造商:Maxim 功能描述:Maxim MAX9880EWM+T, Audio CODEC Converter Dual I2S 1.8V 48-bump WLP
MAX9888EVKIT+ 功能描述:音頻 IC 開發(fā)工具 MAX9888 Eval Kit 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
MAX9888EWY+T 功能描述:接口—CODEC Stereo Audio CODEC 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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
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