參數(shù)資料
型號： MAX9867ETJ+
廠商： Maxim Integrated Products
文件頁數(shù)： 28/55頁
文件大?。?/td> 0K
描述： IC STEREO AUD CODEC LP 32TQFN-EP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 60
類型： 立體聲音頻
數(shù)據(jù)接口： I²C，串行
分辨率（位）： 18 b
ADC / DAC 數(shù)量： 2 / 2
三角積分調(diào)變： 是
動態(tài)范圍，標(biāo)準(zhǔn) ADC / DAC (db)： 85 / 90
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： 32-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 32-TQFN-EP（5x5）
包裝： 托盤
MAX9867
Ultra-Low Power Stereo Audio Codec
34
______________________________________________________________________________________
Digital Filtering
The MAX9867 incorporates both IIR (voice) and FIR
(audio) digital filters to accomodate a wide range of
audio sources. The IIR fiilters provide over 70dB of
stopband attenuation as well as selectable highpass fil-
ters. The FIR filters provide low-power consumption and
are linear phase to maintain stereo imaging. Table 7 is
the digital filtering register.
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
REGISTER
ADDRESS
Codec Filters
MODE
AVFLT
0
DVFLT
0x0A
BITS
FUNCTION
MODE
Digital Audio Filter Mode
0 = IIR Voice Filters
1 = FIR Audio Filters
AVFLT
ADC Digital Audio Filter
MODE = 0
Select the desired digital filter response from Table 8. See the Frequency Response graph in the Typical
Operating Characteristics section for details on each filter.
MODE = 1
0x0 = DC-blocking filter is disabled. Any other setting = DC-blocking filter is enabled.
DVFLT
DAC Digital Audio Filter
MODE = 0
Select the desired digital filter response from Table 8. See the Frequency Response graph in the Typical
Operating Characteristics section for details on each filter.
MODE = 1
0x0 = DC-blocking filter is disabled. Any other setting = DC-blocking filter is enabled.
Table 7. Digital Filtering Register
CODE
FILTER TYPE
INTENDED SAMPLE
RATE (kHz)
HIGHPASS CORNER
FREQUENCY (Hz)
217Hz NOTCH
0x0
Disabled
0x1
Elliptical
16
256
Yes
0x2
Butterworth
16
500
No
0x3
Elliptical
8
256
Yes
0x4
Butterworth
8
500
No
0x5
Butterworth
8 to 24
fS/240
No
0x6 to 0x7
Reserved
Table 8. IIR Highpass Digital Filters
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參數(shù)描述
MAX9867ETJ+ 功能描述:接口—CODEC Stereo Audio CODEC for Portable Devices 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
MAX9867ETJ+T 功能描述:接口—CODEC Stereo Audio CODEC for Portable Devices 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
MAX9867EVKIT+ 功能描述:音頻 IC 開發(fā)工具 MAX9867 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
MAX9867EWV+ 制造商:Maxim Integrated Products 功能描述:LOW-POWER, STEREO AUDIO CODEC - Rail/Tube
MAX9867EWV+T 功能描述:接口—CODEC Stereo Audio CODEC for Portable Devices 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
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