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參數資料
| 型號： | WM8725ED |
| 廠商： | Wolfson Microelectronics |
| 英文描述： | 99dB Stereo DAC |
| 中文描述： | 九九分貝立體聲DAC |
| 文件頁數： | 1/9頁 |
| 文件大小： | 348K |
| 代理商： | WM8725ED |
WM8725
99dB Stereo DAC
Production Data, July 2000, Rev 2.0
WOLFSON MICROELECTRONICS LTD
Lutton Court, Bernard Terrace, Edinburgh, EH8 9NX, UK
Tel: +44 (0) 131 667 9386
Fax: +44 (0) 131 667 5176
Email: sales@wolfson.co.uk
http://www.wolfson.co.uk
Production Data
datasheets contain final
specifications current on publication date.
Supply of products conforms to Wolfson
Microelectronics’ Terms and Conditions.
2000 Wolfson Microelectronics Ltd
.
DESCRIPTION
WM8725 is a high-performance stereo DAC designed for
use in portable audio equipment, video CD players and
similar applications. It comprises selectable normal or I
S
compatible serial data interfaces for 16 to 24-bit digital
inputs, high performance digital filters, and sigma-delta
output DACs, achieving an excellent 99dB signal-to-noise
performance.
The device is available in a 14-pin SO package that offers
selectable mute and de-emphasis functions using a
minimum of external components.
FEATURES
Compatible with PCM1725
99dB SNR performance
Stereo DAC with input sampling from 8kHz to 96kHz
Additional mute feature
Normal or I
S compatible data format
Sigma-delta design with 64x oversampling
System clock 256fs or 384fs
Supply range 3V to 5V
14-pin SOIC package
APPLICATIONS
Portable audio equipment
Video CD players
BLOCK DIAGRAM
(5)
CAP
DIGITAL
SIGMA-DELTA
MODULATOR
DIGITAL
SIGMA-DELTA
MODULATOR
LRCIN (1)
SERIAL
INTERFACE
DIGITAL
FILTERS
(12)
DEEMPH
(10)
MUTE
SWITCHED
CAPACITOR
DAC
SWITCHED
CAPACITOR
DAC
(8)
VDD
(7)
GND
(9) VOUTL
(6) VOUTR
BCKIN (3)
FORMAT (13)
SCKI (14)
DIN (2)
WM8725
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相關代理商/技術參數 |
參數描述 |
|---|---|
| WM8725ED/R | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:99dB Stereo DAC |
| WM8725GED | 功能描述:音頻數/模轉換器 IC Stereo DAC RoHS:否 制造商:Texas Instruments 轉換器數量: 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 |
| WM8725GED/RV | 功能描述:音頻數/模轉換器 IC Stereo DAC RoHS:否 制造商:Texas Instruments 轉換器數量: 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 |
| WM8725GED/V | 功能描述:音頻數/模轉換器 IC Stereo DAC RoHS:否 制造商:Texas Instruments 轉換器數量: 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 |
| WM8726 | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:24-bit 192kHz Stereo DAC |
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