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參數(shù)資料
| 型號： | WM8510GEDV |
| 廠商： | Wolfson Microelectronics |
| 元件分類： | Codec |
| 英文描述： | MONO CODEC WITH SPEAKER DRIVER |
| 中文描述： | 單聲道編解碼器揚聲器驅動器 |
| 文件頁數(shù)： | 1/56頁 |
| 文件大?。?/td> | 571K |
| 代理商： | WM8510GEDV |
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WM8510
Mono CODEC with Speaker Driver
WOLFSON MICROELECTRONICS plc
w :: www.wolfsonmicro.com
Product Preview December 2004, Rev 1.2
Copyright
2004 Wolfson Microelectronics plc
DESCRIPTION
The WM8510 is a low power, high quality mono codec designed
for Voice over Internet Protocol (VoIP) and Digital Telephones.
The device integrates support for one pseudo-differential and
one single ended input (Handset Mic and Speaker Mic) and
includes drivers for speakers or headset, and mono line output,
making it ideal for Telephone designs. External component
requirements are reduced as no separate microphone or
earpiece amplifiers are required.
Advanced Sigma Delta Converters are used along with digital
decimation and interpolation filters to give high quality audio at
sample rates from 8 to 48ks/s.
Additional digital filtering options are available in the ADC path,
to cater for application filtering such as ‘wind noise reduction’,
plus an advanced mixed signal ALC function with noise gate is
provided.
An on-chip PLL is provided to generate the required Master
Clock from an external reference clock. The PLL clock can also
be output if required elsewhere in the system.
The WM8510 operates at supply voltages from 2.5 to 3.6V,
although the digital core can operate at voltages down to 1.62V
to save power. The speaker and mono outputs use a separate
supply of up to 5V which enables increased output power if
required. Different sections of the chip can also be powered
down under software control by way of the selectable two or
three wire control interface.
WM8510 is supplied in a convenient 28-pin SSOP package,
offering high levels of functionality in easy to use package.
BLOCK DIAGRAM
FEATURES
Mono Codec:
Audio sample rates:8, 11.025, 16, 22.05, 24, 32, 44.1,
48kHz
DAC SNR 93dB, THD -84dB (‘A’-weighted @ 8 – 48ks/s)
ADC SNR 90dB, THD -80dB (‘A’-weighted @ 8 – 48ks/s)
On-chip Headphone/Speaker Driver with ‘cap-less’ connect
- 40mW output power into 16
/ 3.3V SPKVDD
- BTL speaker drive 0.8W into 8
/ 5V SPKVDD
Earpiece Line output
Multiple analog inputs, plus analog bypass path (0 or -10dB)
Mic Preamps:
Two Microphone Interfaces
- One pseudo-differential input
- One single ended input
- Programmable preamp gain
- Psuedo differential inputs with common mode rejection
- Programmable ALC / Noise Gate in ADC path
Low-noise bias supplied for microphone
Other features
Digital Playback Limiter
Programmable ADC High Pass Filter (wind noise reduction)
Programmable ADC Notch Filter
On-chip PLL
Low power, low voltage
- 2.5V to 3.6V (digital core: 1.62V to 3.6V)
- power consumption <10mA all-on 48ks/s mode
28 pin SSOP package
APPLICATIONS
VoIP Telephones
Digital Telephones
Conference Speaker-phone
Mobile Telephone Hands-free Kits
General Purpose low power audio CODEC
相關PDF資料 |
PDF描述 |
|---|---|
| WM8510 | MONO CODEC WITH SPEAKER DRIVER |
| WM8521HCED | Bipolar Transistor; Collector Emitter Voltage, Vceo:50V; Transistor Polarity:NPN; Power Dissipation:6.25W; DC Current Gain Min (hfe):10000; Collector Current:0.5A |
| WM8521 | STEREO DAC WITH INTEGRATED OUTPUT STAGE FOR 2VRMS LINE OUT |
| WM8521HCGED | STEREO DAC WITH INTEGRATED OUTPUT STAGE FOR 2VRMS LINE OUT |
| WM8521H9ED | CONTINUOUS TIME BIPOLAR SWITCH |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| WM8520H9GED | 功能描述:音頻數(shù)/模轉換器 IC Stereo DAC 2Vrms RoHS:否 制造商:Texas Instruments 轉換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| WM8520H9GED/R | 功能描述:音頻數(shù)/模轉換器 IC Stereo DAC 2Vrms RoHS:否 制造商:Texas Instruments 轉換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| WM8521 | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:STEREO DAC WITH INTEGRATED OUTPUT STAGE FOR 2VRMS LINE OUT |
| WM8521_06 | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:Stereo DAC with Integrated Output Stage for 2Vrms LINE OUT |
| WM8521H9ED | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:STEREO DAC WITH INTEGRATED OUTPUT STAGE FOR 2VRMS LINE OUT |
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