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| 型號： | AD1937WBSTZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/36頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CODEC 4/ADC DIFF OUT 64-LQFP |
| 標準包裝： | 1 |
| 類型： | 通用 |
| 數(shù)據(jù)接口： | 串行 |
| 分辨率（位）： | 24 b |
| ADC / DAC 數(shù)量： | 4 / 8 |
| 三角積分調(diào)變： | 是 |
| S/N 比，標準 ADC / DAC (db)： | 96 / 96 |
| 動態(tài)范圍，標準 ADC / DAC (db)： | 105 / 110 |
| 電壓 - 電源，模擬： | 3 V ~ 3.6 V |
| 電壓 - 電源，數(shù)字： | 3 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 64-LQFP |
| 供應商設備封裝： | 64-LQFP（10x10） |
| 包裝： | 托盤 |
| 產(chǎn)品目錄頁面： | 776 (CN2011-ZH PDF) |
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Four ADCs/Eight DACs with PLL,
192 kHz, 24-Bit Codec
AD1937
Rev. B
Information furnished by Analog
responsibilityis assumedbyAnal
rightsofthirdpartiesthatmayresu
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
, MA 02062-9106, U.S.A.
www.analog.com
Fax: 781.461.3113
2008-2010 Analog Devices, Inc. All rights reserved.
Devices is believed to be accurate and reliable. However, no
ogDevicesforitsuse,norforanyinfringementsof patentsorother
ltfromitsuse.Specificationssubjecttochangewithoutnotice.No
One Technology Way, P.O. Box 9106, Norwood
Tel: 781.329.4700
FEATURES
PLL-generated clock or direct master clock
Low EMI design
112 dB DAC/107 dB ADC dynamic range and SNR
96 dB THD + N
Single 3.3 V supply
Tolerance for 5 V logic inputs
Supports 24-bits and 8 kHz to 192 kHz sample rates
Differential ADC input
Differential DAC output
Log volume control with autoramp function
I2C-controllable for flexibility
Software-controllable clickless mute
Software power-down
Right-justified, left-justified, I2S, and TDM modes
Master and slave modes up to 16-channel input/output
Available in a 64-lead LQFP
Qualified for automotive applications
APPLICATIONS
Automotive audio systems
Home theater systems
Set-top boxes
Digital audio effects processors
GENERAL DESCRIPTION
The AD1937 is a high performance, single-chip codec that provides
four analog-to-digital converters (ADCs) with differential input
and eight digital-to-analog converters (DACs) with differential
output, using the Analog Devices, Inc., patented multibit sigma-
delta (Σ-Δ) architecture. An I2C port is included, allowing a
microcontroller to adjust volume and many other parameters.
The AD1937 operates from 3.3 V digital and analog supplies.
The AD1937 is available in a 64-lead (differential output) LQFP.
The AD1937 is designed for low EMI. This consideration is
apparent in both the system and circuit design architectures.
By using the on-board PLL to derive the master clock from the
LR (frame) clock or from an external crystal, the AD1937 elimi-
nates the need for a separate high frequency master clock and
can also be used with a suppressed bit clock. The DACs and
ADCs are designed using the latest Analog Devices continuous
time architecture to further minimize EMI. By using 3.3 V
supplies, power consumption is minimized and further
reduces emissions.
FUNCTIONAL BLOCK DIAGRAM
SERIAL DATA PORT
DIGITAL AUDIO
INPUT/OUTPUT
DIGITAL
FILTER
PRECISION
VOLTAGE
REFERENCE
TIMING MANAGEMENT
AND CONTROL
(CLOCK AND PLL)
I2C
CONTROL PORT
AD1937
DAC
CONTROL DATA
INPUT/OUTPUT
ADC
ANALOG
AUDIO
INPUTS
ANALOG
AUDIO
OUTPUTS
DAC
SDATA
OUT
SDATA
IN
CLOCKS
DIGITAL
FILTER
AND
VOLUME
CONTROL
07
41
4-
00
1
Figure 1.
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| AD1937WBSTZ-RL | 功能描述:IC CODEC 4/ADC DIFF OUT 64-LQFP 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: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 供應商設備封裝:48-TQFN-EP（7x7） 包裝:帶卷 (TR) |
| AD1937XSTZ | 制造商:AD 制造商全稱:Analog Devices 功能描述:4 ADC/8 DAC with PLL, 192 kHz, 24 Bit CODEC |
| AD1937XSTZRL | 制造商:AD 制造商全稱:Analog Devices 功能描述:4 ADC/8 DAC with PLL, 192 kHz, 24 Bit CODEC |
| AD1938 | 制造商:AD 制造商全稱:Analog Devices 功能描述:4 ADC/8 DAC with PLL, 192 kHz, 24-Bit CODEC |
| AD1938WBSTZ | 功能描述:IC CODEC 24BIT 4ADC/8DAC 48LQFP 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: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 供應商設備封裝:48-TQFN-EP（7x7） 包裝:帶卷 (TR) |
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