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參數資料
| 型號： | MAX9867ETJ+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/55頁 |
| 文件大小： | 0K |
| 描述： | IC STEREO AUD CODEC LP 32TQFN-EP |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 類型： | 立體聲音頻 |
| 數據接口： | I²C，串行 |
| 分辨率（位）： | 18 b |
| ADC / DAC 數量： | 2 / 2 |
| 三角積分調變： | 是 |
| 動態范圍，標準 ADC / DAC (db)： | 85 / 90 |
| 電壓 - 電源，模擬： | 1.65 V ~ 1.95 V |
| 電壓 - 電源，數字： | 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 |
| 供應商設備封裝： | 32-TQFN-EP（5x5） |
| 包裝： | 帶卷 (TR) |
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General Description
The MAX9867 is an ultra-low power stereo audio codec
designed for portable consumer devices such as
mobile phones and portable gaming consoles.
The device features stereo differential microphone inputs
that can be connected to either analog or digital micro-
phones. The single-ended line inputs, with configurable
preamplifier, can be sent to the ADC for record or routed
directly to the headphone amplifier for playback. An aux-
iliary ADC path can be used to track any DC voltage.
The stereo headphone amplifiers support differential,
single-ended, and capacitorless output configurations.
Using the capacitorless output configuration, the
device can output 10mW into 32
headphones.
Comprehensive click-and-pop circuitry suppresses
audible clicks and pops during volume changes and
startup or shutdown.
Utilizing Maxim’s proprietary digital circuitry, the device
can accept any available 10MHz to 60MHz system
clock. This architecture eliminates the need for an
external PLL and multiple crystal oscillators. The stereo
ADC and DAC paths provide user-configurable voice-
band or audioband digital filters. Voiceband filters pro-
vide extra attenuation at the GSM packet frequency
and greater than 70dB stopband attenuation at fS/2.
The MAX9867 operates from a single 1.8V supply, and
supports a 1.65V to 3.6V logic level. An I2C 2-wire seri-
al interface provides control for volume levels, signal
mixing, and general operating modes.
The MAX9867 is available in a tiny 2.2mm x 2.7mm,
0.4mm-ball-pitch, WLP package. A 32-pin 5mm x 5mm
TQFN package is also available.
Features
o 1.8V Single-Supply Operation
o 6.7mW Playback Power Consumption
o 90dB Stereo DAC, 8kHz ≤ fS ≤ 48kHz
o 85dB Stereo ADC, 8kHz ≤ fS ≤ 48kHz
o Battery-Measurement Auxiliary ADC
o Support for Any Master Clock Between 10MHz to
60MHz
o Stereo Digital Microphone Input Support
o Stereo Analog Differential Microphone Inputs
o Stereo Headphone Amplifiers: Differential,
Single-Ended, or Capacitorless
o Stereo Line Inputs
o Voiceband Filter with a Stopband Attenuation
Greater than 70dB
o 1.65V to 3.6V Digital Interface Supply Voltage
o I2S/TDM-Compatible Digital Audio Bus
o 30-Bump, 2.2mm x 2.7mm 0.4mm-Pitch WLP
MAX9867
Ultra-Low Power Stereo Audio Codec
________________________________________________________________
Maxim Integrated Products
1
19-4573; Rev 2; 6/10
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
MAX9867EWV+
-40°C to +85°C
30 WLP
MAX9867ETJ+
-40°C to +85°C
32 TQFN-EP*
+
Denotes lead(Pb)-free/RoHS-compliant package.
*EP = Exposed pad.
Applications
Cell Phones
Portable Gaming Devices
Portable Navigation Devices
Portable Multimedia Players
Wireless Headsets
MAX9867
ADC
AUDIO DIGITAL
FILTERS
DAC
MIX
DIGITAL AUDIO INTERFACE
DIGITAL MICROPHONE
INTERFACE
CONTROL
INTERFACE
HEADPHONE
AMP
RIGHT MIC AMP
LEFT MIC AMP
LEFT PREAMP
RIGHT PREAMP
LINEIN 1
LINEIN 2
HEADPHONE
AMP
I2C
I2S/PCM
ADC
Simplified Block Diagram
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX9867EVKIT+ | 功能描述:音頻 IC 開發工具 MAX9867 Eval Kit RoHS:否 制造商:Texas Instruments 產品: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: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量: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 |
| MAX986ESA | 功能描述:校驗器 IC Single uPower Comparator RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| MAX986ESA+ | 功能描述:校驗器 IC Single uPower Comparator RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
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