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| 型號： | MAX98089EVKIT#WLP |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 108/131頁 |
| 文件大?。?/td> | 0K |
| 描述： | KIT EVAL FOR MAX98089-WLP |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 1 |
| 系列： | DirectDrive® |
| 主要目的： | 音頻編解碼器 |
| 嵌入式： | 是，DSP |
| 已用 IC / 零件： | MAX98089 |
| 主要屬性： | 2.8 V ~ 5.5 V 輸入電壓 |
| 已供物品： | 板，線纜，軟件 |
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Low-Power, Stereo Audio Codec
with FlexSound Technology
Table 8. Sidetone Register
natural user experience. The IC implements sidetone dig-
itally. Doing so helps prevent unwanted feedback into the
playback signal path and better matches the playback
audio signal. Sidestone is available in voice mode only.
Digital Audio Interfaces
The IC includes two separate playback signal paths and
one record signal path. Digital audio interface 1 (DAI1)
is used to transmit the recorded stereo audio signal and
receive a stereo audio signal for playback. Digital audio
interface 2 (DAI2) is used to receive a second stereo
audio signal. Use DAI1 for all full-duplex operations and
for all voice signals. Use DAI2 for music and to mix two
playback audio signals. The digital audio interfaces are
separate from the audio ports to enable either interface
to communicate with any external device connected to
either audio port.
Each audio interface can be configured in a variety of for-
mats including left justified, I2S, PCM, and time division
multiplexed (TDM). TDM mode supports up to 4 mono
audio slots in each frame. The IC can use up to 2 mono
slots per interface, leaving the remaining two slots avail-
able for another device. Table 9 shows how to configure
the device for common digital audio formats. Figures 16
and 17 show examples of common audio formats. By
default, SDOUTS1 and SDOUTS2 are set high imped-
ance when the IC is not outputting data to facilitate shar-
ing the bus. Configure the interface in TDM mode using
only slot 1 to transmit and receive mono PCM voice data.
The IC’s digital audio interfaces support both ADC to DAC
loop-through and digital loopback. Loop-through allows
the signal converted by the ADC to be routed to the DAC
for playback. The signal is routed from the record path to
REGISTER
BIT
NAME
DESCRIPTION
0x2E
7
DSTS
Sidetone Source
Selects which ADC output is fed back as sidetone. When mixing the left and right ADC
outputs, each is attenuated by 6dB to prevent full-scale signals from clipping.
00 = Sidetone disabled
01 = Left ADC
10 = Right ADC
11 = Left + Right ADC
6
4
DVST
Sidetone Level
Adjusts the sidetone signal level. All levels are referenced to the ADC’s full-scale output.
VALUE
LEVEL (dB)
VALUE
LEVEL (dB)
3
0x00
Sidetone disabled
0x10
-30.5
0x01
-0.5
0x11
-32.5
0x02
-2.5
0x12
-34.5
0x03
-4.5
0x13
-36.5
2
0x04
-6.5
0x14
-38.5
0x05
-8.5
0x15
-40.5
0x06
-10.5
0x16
-42.5
0x07
-12.5
0x17
-44.5
1
0x08
-14.5
0x18
-46.5
0x09
-16.5
0x19
-48.5
0x0A
-18.5
0x1A
-50.5
0x0B
-20.5
0x1B
-52.5
0
0x0C
-22.5
0x1C
-54.5
0x0D
-24.5
0x1D
-56.6
0x0E
-26.5
0x1E
-58.5
0x0F
-28.5
0x1F
-60.5
Maxim Integrated
78
MAX98089
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX98089EWY+ | 制造商:Maxim Integrated Products 功能描述:STEREO AUDIO CODEC WITH FLEXSOUND TUNING TECHNOLOGY AND BASI - Rail/Tube |
| MAX98089EWY+T | 功能描述:接口—CODEC Audio Codec RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率: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 |
| MAX98090AETL+ | 功能描述:接口—CODEC 5V 130mW Stereo Headphone Amp RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率: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 |
| MAX98090AETL+T | 功能描述:接口—CODEC 5V 130mW Stereo Headphone Amp RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率: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 |
| MAX98090AEWJ+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
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