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| 型號： | EVAL-AD1937AZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/36頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVAL FOR AD1937 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 主要目的： | 音頻編解碼器 |
| 已用 IC / 零件： | AD1937 |
| 主要屬性： | 24 位，192 kHz，4 ADC: 107dB 動態(tài)范圍，8 DAC: 112dB 動態(tài)范圍 |
| 次要屬性： | 分時復(fù)用（TDM）、I2C 和 SPI 接口，Popguard? 技術(shù) |
| 已供物品： | 板 |
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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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EVAL-AD1937EB | 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 |
| EVAL-AD1937EBZ | 制造商:Analog Devices 功能描述:EB SINGLE CHIP CODEC 4 ADC'S W/DIFF OUTP - Boxed Product (Development Kits) |
| EVAL-AD1938AZ | 功能描述:BOARD EVAL FOR AD1938 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:- 標(biāo)準(zhǔn)包裝:1 系列:PSoC® 主要目的:電源管理，熱管理 嵌入式:- 已用 IC / 零件:- 主要屬性:- 次要屬性:- 已供物品:板，CD，電源 |
| EVAL-AD1938EB | 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 |
| EVAL-AD1938EBZ | 制造商:Analog Devices 功能描述:EVAL BD FOR MULTI CHANNEL 96KHZ CODEC - Boxed Product (Development Kits) |
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