參數(shù)資料
型號: AD7729ARU
廠商: Analog Devices Inc
文件頁數(shù): 1/16頁
文件大?。?/td> 0K
描述: IC ADC 15BIT DUAL W/DAC 28-TSSOP
標準包裝: 1
類型: ADC,DAC
分辨率(位): 15 b
采樣率(每秒): 270.8k
數(shù)據(jù)接口: 串行
電壓電源: 模擬和數(shù)字
電源電壓: 2.7 V ~ 3.3 V
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 28-TSSOP(0.173",4.40mm 寬)
供應商設備封裝: 28-TSSOP
包裝: 管件
REV. 0
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.
a
AD7729
One Technology Way, P.O. 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., 1998
Dual Sigma-Delta ADC
with Auxiliary DAC
FUNCTIONAL BLOCK DIAGRAM
ASDI
ASDIFS
ASCLK
ASDO
ASDOFS
ASE
BSDI
BSDIFS
BSCLK
BSDO
BSDOFS
BSE
MCLK
RxON
RESETB
REFERENCE
DECIMATION
FIR DIGITAL
FILTER
10-BIT
AUXDAC
OFFSET
ADJUST
DECIMATION
FIR DIGITAL
FILTER
BASEBAND
SERIAL
INTERFACE
AUXILIARY
SERIAL
INTERFACE
AUXDAC
IRxP
IRxN
QRxP
QRxN
REFCAP
REFOUT
AVDD2
AVDD1
DGND
DVDD1
DVDD2
AGND
OFFSET
ADJUST
MODULATOR
DIVIDE BY 2
MUX
FEATURES
+3 V Supply Voltage
Baseband Serial Port (BSPORT)
Differential IRx and QRx
ADC Channels
Two 15-Bit Sigma-Delta A/D Converters
FIR Digital Filters
64 dB SNR
Output Word Rate 270.83 kHz
Twos Complement Coding
On-Chip Offset Calibration
Power-Down Mode
Auxiliary D/A Converter
Auxiliary Serial Port (ASPORT)
On-Chip Voltage Reference
Low Power
28-Lead TSSOP/28-Lead SOIC
APPLICATIONS
GSM Basestations
Pagers
GENERAL DESCRIPTION
This monolithic 3 V CMOS device is a low power, two-channel,
input port with signal conditioning. The receive path is com-
posed of two high performance sigma-delta ADCs with digital
filtering. A common bandgap reference feeds the ADCs.
A control DAC is included for such functions as AFC. The auxil-
iary functions can be accessed via the auxiliary port (ASPORT).
This device is available in a 28-lead TSSOP package or a
28-lead SOIC package.
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AD7729ARU-REEL7 功能描述:IC ADC 15BIT DUAL W/DAC 28-TSSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 類型:數(shù)據(jù)采集系統(tǒng)(DAS) 分辨率(位):16 b 采樣率(每秒):21.94k 數(shù)據(jù)接口:MICROWIRE?,QSPI?,串行,SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應商設備封裝:40-TQFN-EP(6x6) 包裝:托盤
AD7729ARUZ 功能描述:IC ADC 15BIT DUAL W/DAC 28TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 類型:數(shù)據(jù)采集系統(tǒng)(DAS) 分辨率(位):16 b 采樣率(每秒):21.94k 數(shù)據(jù)接口:MICROWIRE?,QSPI?,串行,SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應商設備封裝:40-TQFN-EP(6x6) 包裝:托盤
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AD7729ARUZ-REEL7 功能描述:IC ADC 15BIT DUAL W/DAC 28TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 類型:數(shù)據(jù)采集系統(tǒng)(DAS) 分辨率(位):16 b 采樣率(每秒):21.94k 數(shù)據(jù)接口:MICROWIRE?,QSPI?,串行,SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應商設備封裝:40-TQFN-EP(6x6) 包裝:托盤