參數(shù)資料
型號： MAX98089ETN+
廠商： Maxim Integrated Products
文件頁數(shù)： 98/131頁
文件大?。?/td> 0K
描述： IC CODEC AUDIO FLEXSOUND 56TQFN
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 43
系列： FlexSound™
類型： 立體聲音頻
數(shù)據(jù)接口： I²C，串行
分辨率（位）： 24 b
ADC / DAC 數(shù)量： 2 / 2
三角積分調(diào)變： 無
S/N 比，標準 ADC / DAC (db)： 93 / 101
動態(tài)范圍，標準 ADC / DAC (db)： 93 / 101
電壓 - 電源，模擬： 1.65 V ~ 2 V
電壓 - 電源，數(shù)字： 1.65 V ~ 3.6 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 56-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 56-TQFN-EP（7x7）
包裝： 管件
Low-Power, Stereo Audio Codec
with FlexSound Technology
Microphone Inputs
The device includes three differential microphone inputs
and a low-noise microphone bias for powering the micro-
phones (Figure 6). One microphone input can also be con-
figured as a digital microphone input accepting signals
from up to two digital microphones. Any two microphones,
analog or digital, can be recorded simultaneously.
In the typical application, one microphone input is used
for the handset microphone and the other is used as an
accessory microphone. In systems using a background
noise microphone, INA can be retasked as another
microphone input.
In systems where the codec is not the only device
recording microphone signals, connect microphones to
MIC2P/MIC2N and EXTMICP/EXTMICN. MIC1P/MIC1N
then become outputs that route the microphone signals
to an external device as needed. Two devices can then
record microphone signals without needing external
analog switches.
Analog 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. To maximize the signal-
to-noise ratio, use the gain in the first stage whenever
possible. Zero-crossing detection is included on the PGA
to minimize zipper noise while making gain changes.
Figure 6. Microphone Input Block Diagram
MIC1P/
DIGMICDATA
MICBIAS
MBEN
MCLK
REG
MIC1N/
DIGMICCLK
MIC2BYP
INABYP
EXTMIC
PA1EN:
0/20/30dB
PGAM1:
+20dB TO 0dB
MIX
MIXADL
MIXADR
ADCL
EXTMIC
PA2EN:
0/20/30dB
PGAINA:
+20dB TO -6dB
PGAINA:
+20dB TO -6dB
MIC2P
MIC2N
INA1/EXTMICP
PGAM1:
+20dB TO 0dB
AGC CONTROL
INADIFF
ADLEN
ADREN
INA2/EXTMICN
ADCR
CLOCK
CONTROL
Maxim Integrated
69
MAX98089
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參數(shù)描述
MAX98089ETN+ 功能描述:接口—CODEC 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
MAX98089ETN+T 功能描述:接口—CODEC 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
MAX98089EVKIT#TQFN 功能描述:音頻 IC 開發(fā)工具 MAX98089 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
MAX98089EVKIT#WLP 功能描述:音頻 IC 開發(fā)工具 MAX98089 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
MAX98089EVKIT+TQFN 功能描述:音頻 IC 開發(fā)工具 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
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