參數(shù)資料
型號： AD7745ARUZ
廠商： ANALOG DEVICES INC
元件分類： 溫度/濕度傳感器
英文描述： 24-Bit Capacitance-to-Digital Converter with Temperature Sensor
中文描述： DIGITAL TEMP SENSOR-SERIAL, 24BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT
封裝： LEAD FREE, MO-153-AB, TSSOP-16
文件頁數(shù)： 2/28頁
文件大小： 391K
代理商： AD7745ARUZ
AD7745/AD7746
TABLE OF CONTENTS
Specifications.....................................................................................3
Timing Specifications.......................................................................5
Absolute Maximum Ratings............................................................6
Pin Configurations and Function Descriptions...........................7
Typical Performance Characteristics.............................................8
Output Noise and Resolution Specifications..............................11
Serial Interface ................................................................................12
Read Operation...........................................................................12
Write Operation..........................................................................12
AD7745/AD7746 Reset.............................................................13
General Call.................................................................................13
Register Descriptions.....................................................................14
Status Register.............................................................................15
Cap Data Register.......................................................................15
VT Data Register........................................................................15
Cap Set-Up Register...................................................................16
VT Set-Up Register....................................................................16
EXC Set-Up Register..................................................................17
Configuration Register..............................................................18
Cap DAC A Register...................................................................19
Cap DAC B Register...................................................................19
Cap Offset Calibration Register................................................19
REVISION HISTORY
4/05—Revision 0: Initial Version
Rev. 0 | Page 2 of 28
Cap Gain Calibration Register.................................................. 19
Volt Gain Calibration Register................................................. 19
Circuit Description......................................................................... 20
Overview ..................................................................................... 20
Capacitance-to-Digital Converter ........................................... 20
Excitation Source........................................................................ 20
CAPDAC..................................................................................... 21
Single-Ended Capacitive Input................................................. 21
Differential Capacitive Input.................................................... 21
Parasitic Capacitance to Ground.............................................. 22
Parasitic Resistance to Ground................................................. 22
Parasitic Parallel Resistance...................................................... 22
Parasitic Serial Resistance......................................................... 23
Capacitive Gain Calibration ..................................................... 23
Capacitive System Offset Calibration...................................... 23
Internal Temperature Sensor.................................................... 23
External Temperature Sensor................................................... 24
Voltage Input............................................................................... 24
V
DD
Monitor................................................................................ 24
Typical Application Diagram.................................................... 24
Outline Dimensions....................................................................... 25
Ordering Guide .......................................................................... 25
相關(guān)PDF資料
PDF描述
AD7745ARUZ-REEL 24-Bit Capacitance-to-Digital Converter with Temperature Sensor
AD7745ARUZ-REEL7 24-Bit Capacitance-to-Digital Converter with Temperature Sensor
AD7746ARUZ 24-Bit Capacitance-to-Digital Converter with Temperature Sensor
AD7746ARUZ-REEL7 24-Bit Capacitance-to-Digital Converter with Temperature Sensor
AD7747 24-Bit Capacitance-to-Digital Converter with Temperature Sensor
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD7745ARUZ-REEL 功能描述:IC CONV 1CH CAP TO DGTL 16TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)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(yīng)商設(shè)備封裝:40-TQFN-EP（6x6） 包裝:托盤
AD7745ARUZ-REEL7 功能描述:IC CONV 1CH CAP TO DGTL 16TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)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(yīng)商設(shè)備封裝:40-TQFN-EP（6x6） 包裝:托盤
AD7746 制造商:AD 制造商全稱:Analog Devices 功能描述:24-Bit Capacitance-to-Digital Converter with Temperature Sensor
AD7746ARUZ 功能描述:IC CONV 2CH CAP TO DGTL 16-TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)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(yīng)商設(shè)備封裝:40-TQFN-EP（6x6） 包裝:托盤
AD7746ARUZ-REEL 功能描述:IC CONV 2CH CAP TO DGTL 16-TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)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(yīng)商設(shè)備封裝:40-TQFN-EP（6x6） 包裝:托盤
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