參數(shù)資料
型號： AD1981B
廠商： Analog Devices, Inc.
元件分類： Codec
英文描述： AC ’97 SoundMAX Codec
中文描述： 交流\u0026#39;97 SoundMAX編解碼器
文件頁數(shù)： 1/28頁
文件大小： 499K
代理商： AD1981B
REV. B
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 that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective companies.
a
AD1981B
Tel: 781/329-4700
www.analog.com
AC ’97 SoundMAX
Codec
FUNCTIONAL BLOCK DIAGRAM
A
M
MIC1
MIC2
PHONE_IN
CD_L
CD_GND
CD_R
AUX_L
AUX_R
LINE_IN_L
LINE_IN_R
MIC PREAMP
DIFCD
MONO_OUT
HP_OUT_L
HP
MZ
LINE_OUT_L
MZ
LINE_OUT_R
HP_OUT_R
HP
O
G = GAIN
- ADC
GA
- ADC
DAC RATE
M
- ADC
M
- ADC
PCM L/R
R
S
V
REF
G
V
REFOUT
CODEC CORE
DAC
SLOT
E
CAC '97
EAPD
PLL
XTL_OUT XTL_IN SPDIF
STX
ID0
ID1
RESET
SYNC
BIT_CLK
SDATA_OUT
SDATA_IN
JS0
JS1
EAPD
AD1981B
G
G
2
M
A
M
A
A
A
M
M
GA
M
GA
M
GA
M
GA
M
GA
M
GA
M
GA
M
GA
M
M
GA
M
M
B
EQ
B
EQ
G
G
RVOLTAGE
ANALOG MIXING
- DAC
- DAC
A
M
G
M
G
M
FEATURES
AC ’97 2.3 COMPATIBLE FEATURES
S/PDIF Output, 20 Bits Data Format, Supporting
48 kHz and 44.1 kHz Sample Rates
Integrated Stereo Headphone Amplifier
Variable Sample Rate Audio
External Audio Power-Down Control
Greater than 90 dB Dynamic Range
Stereo Full-Duplex Codec
20-Bit PCM DAC
3 Analog Line-Level Stereo Inputs for
Line-In, AUX, and CD
Mono Line-Level Phone Input
Dual MIC Input with Built-In Programmable Preamp
High Quality CD Input with Ground Sense
Mono Output for Speakerphone or Internal Speaker
Power Management Support
48-Lead LQFP Package, Lead-Free Available
ENHANCED FEATURES
Stereo MIC Preamps Support
Built-In Digital Equalizer Function for Optimized
Speaker Sound
Full-Duplex Variable Sample Rates from 7040 Hz to
48 kHz with 1 Hz Resolution
Jack Sense Pins Provide Automatic Output Switching
Software Programmed V
REFOUT
Output for Biasing
Microphone and External Power Amp
Split Power Supplies: 3.3 V Digital and 5 V Analog
Multiple Codec Configuration Options
相關(guān)PDF資料
PDF描述
AD1981BJST AC ’97 SoundMAX Codec
AD1981BJST-REEL AC ’97 SoundMAX Codec
AD1981BJSTZ-REEL2 AC ’97 SoundMAX Codec
AD1981BJSTZ2 AC ’97 SoundMAX Codec
AD1985 AC ’97 SoundMAX Codec
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD1981BBSTZ 制造商:Analog Devices 功能描述:Audio Codec 4ADC / 2DAC 20-Bit 48-Pin LQFP
AD1981BBSTZ-REEL 制造商:Analog Devices 功能描述:Audio Codec 4ADC / 2DAC 20-Bit 48-Pin LQFP T/R
AD1981BJST 制造商:Analog Devices 功能描述:Audio Codec 4ADC / 2DAC 20-Bit 48-Pin LQFP 制造商:Rochester Electronics LLC 功能描述:AC'97 SOUNDMAX CODEC W/STEREO MIC PREAMP - Tape and Reel 制造商:Analog Devices 功能描述:IC CODEC AC'97 AUDIO
AD1981BJST-LV 制造商:Rochester Electronics LLC 功能描述:- Bulk
AD1981BJST-REEL 功能描述:IC CODEC STEREO MICPREAMP 48LQFP RoHS:否 類別:集成電路 (IC) >> 接口 - 編解碼器 系列:SoundMAX® 標準包裝:2,500 系列:- 類型:立體聲音頻 數(shù)據(jù)接口:串行 分辨率（位）:18 b ADC / DAC 數(shù)量:2 / 2 三角積分調(diào)變:是 S/N 比，標準 ADC / DAC (db):81.5 / 88 動態(tài)范圍，標準 ADC / DAC (db):82 / 87.5 電壓 - 電源，模擬:2.6 V ~ 3.3 V 電壓 - 電源，數(shù)字:1.7 V ~ 3.3 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:48-TQFN-EP（7x7） 包裝:帶卷 (TR)
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