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參數(shù)資料
| 型號： | AD741 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | low cast，high accuracy IC op amps |
| 中文描述： | 低成本，高精度運算放大器集成電路 |
| 文件頁數(shù)： | 1/18頁 |
| 文件大小： | 365K |
| 代理商： | AD741 |
AD74122
a
REV. PrG 1/0
3
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, PO. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc.,
2003
Low Cost, Low Power
Stereo Audio Codec
Preliminary Technical Data
PRELIMINARY TECHNICAL DATA
FEATURES
2.5V Stereo Audio Codec with 3.3 V Tolerant Digital Inter-
face
Supports 8kHz to 48 kHz Sample Rates
Supports 16/20/24-Bit Word Lengths
Multibit Sigma Delta Modulators with
“Perfect Differential Linearity Restoration” for
Reduced Idle Tones and Noise Floor
Data Directed Scrambling DACs - Least Sensitive to Jitter
Performance (20 Hz to 20 kHz)
85 dB ADC Dynamic Range
93 dB DAC Dynamic Range
Digitally Programmable Input/Output Gain
On-chip Volume Controls Per Output Channel
Software Controllable Clickless Mute
Supports 256xFs, 512xF
s
and 768xFs Master Mode Clocks
Master Clock Pre-Scaler for use with DSP master clocks
On-Chip Reference
20-Lead TSSOP Package
APPLICATIONS
Digital Video Camcorders (DVC)
Portable Audio Devices (Walkman, PDAs etc.)
Audio Processing
Voice Processing
Telematic Systems
General Purpose Analog I/O
FUNCTIONAL BLOCK DIAGRAM
GENERAL DESCRIPTION
The AD74122 is a front-end processor for general purpose
audio and voice applications. It features two multi-bit
Σ
A/D
conversion channels and two multi-bit
Σ
D/A conversion chan-
nels. The ADC channels provide >70 dB SNR and the DAC
channels provide >80dB SNR both over an
audio signal band-
width.
The AD74122 is particularly suitable for a variety of applica-
tions where stereo input and output channels are required,
including audio sections of Digital Video Camcorders, portable
personal audio devices and telematic applications. Its high qual-
ity performance also make it suitable for speech and telephony
applications such as speech recognition and synthesis and mod-
ern feature phones.
An on-chip reference voltage is included but can be
overdriven by an external reference source if required.
The AD74122 offers sampling rates which, depending on
MCLK selection and MCLK divider ratio, range from 8 kHz in
the voiceband range to 48 kHz in the audio range.
The AD74122 is available in 20 lead TSSOP package option
and is specified for the automotive temperature range of -40°C
to +105°C.
Σ
Σ
Σ
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AD74111 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Cost, Low Power Mono Audio Codec |
| AD74111YRU | 制造商:Analog Devices 功能描述:Audio Codec 1ADC / 1DAC 24-Bit 16-Pin TSSOP 制造商:Rochester Electronics LLC 功能描述:SINGLE CHANNEL AUDIOBAND CODEC I.C. - Bulk 制造商:Analog Devices 功能描述:AUDIO BAND CODEC 74111 TSSOP16 |
| AD74111YRU-REEL | 制造商:Analog Devices 功能描述:Audio Codec 1ADC / 1DAC 24-Bit 16-Pin TSSOP T/R 制造商:Rochester Electronics LLC 功能描述:SINGLE CHANNEL AUDIOBAND CODEC I.C. - Tape and Reel |
| AD74111YRU-REEL7 | 制造商:Analog Devices 功能描述:Audio Codec 1ADC / 1DAC 24-Bit 16-Pin TSSOP T/R 制造商:Rochester Electronics LLC 功能描述:SINGLE CHANNEL AUDIOBAND CODEC I.C. - Tape and Reel |
| AD74111YRUZ | 功能描述:IC CODEC AUDIO MONO LP 16TSSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 編解碼器 系列:- 標準包裝:2,500 系列:- 類型:PCM 數(shù)據(jù)接口:PCM 音頻接口 分辨率（位）:15 b ADC / DAC 數(shù)量:1 / 1 三角積分調(diào)變:是 S/N 比，標準 ADC / DAC (db):- 動態(tài)范圍，標準 ADC / DAC (db):- 電壓 - 電源，模擬:2.7 V ~ 3.3 V 電壓 - 電源，數(shù)字:2.7 V ~ 3.3 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:80-VFBGA 供應商設備封裝:80-BGA MICROSTAR JUNIOR（5x5） 包裝:帶卷 (TR) 其它名稱:296-21257-2 |
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