參數(shù)資料
型號(hào)： AMIS-49200
英文描述： Fieldbus MAU Chip
中文描述： 現(xiàn)場(chǎng)總線MAU芯片
文件頁數(shù)： 2/22頁
文件大?。?/td> 492K
代理商： AMIS-49200
AMIS-49200 Fieldbus MAU
Data Sheet
Table of Contents
1.0 Introduction...........................................................................................................................................................................................3
1.1 Overview...........................................................................................................................................................................................3
1.2 Definitions, Acronyms and Abbreviations..........................................................................................................................................3
1.3 References .......................................................................................................................................................................................3
2.0 AMIS-49200 Fieldbus MAU Description...............................................................................................................................................3
2.1 Features............................................................................................................................................................................................3
2.2 Block Diagram ..................................................................................................................................................................................4
2.3 Package Information.........................................................................................................................................................................5
3.0 Electrical Characteristics......................................................................................................................................................................8
3.1 Operating Conditions........................................................................................................................................................................8
3.2 Power Supply Blocks........................................................................................................................................................................9
3.3 Transmitter Blocks............................................................................................................................................................................9
3.4 Receiver Block................................................................................................................................................................................11
4.0 Theory of Operation ...........................................................................................................................................................................12
4.1 Overview.........................................................................................................................................................................................12
4.2 Power Supply Block........................................................................................................................................................................12
4.2.1. Shunt Regulator ......................................................................................................................................................................12
4.2.2. Series Regulator......................................................................................................................................................................13
4.2.3. Low Voltage Detectors ............................................................................................................................................................13
4.2.4. Voltage Reference...................................................................................................................................................................14
4.3 Transmit Block................................................................................................................................................................................15
4.3.1. MDS-interface .........................................................................................................................................................................15
4.3.2. Tri-level Modulator...................................................................................................................................................................15
4.3.3. Slew Rate Controller ...............................................................................................................................................................16
4.3.4. Current Drive Amplifier............................................................................................................................................................16
4.4 Receive Block.................................................................................................................................................................................16
4.4.1. Band Pass Filter......................................................................................................................................................................17
4.4.2. Receive Signal Detection ........................................................................................................................................................17
5.0 AMIS-49200 as Replacement for Yokogawa
μ
SAA22Q.....................................................................................................................18
5.1 Functional Differences Between the
μ
SAA22Q and the AMIS-49200.............................................................................................18
5.1.1. Jabber Inhibit...........................................................................................................................................................................18
5.1.2. Low Power Mode.....................................................................................................................................................................18
5.2 Pin Differences Between the
μ
SAA22Q and the AMIS-49200........................................................................................................19
5.3 External Circuitry.............................................................................................................................................................................20
5.4 Active Components.........................................................................................................................................................................21
5.5 Alternative Designs.........................................................................................................................................................................21
5.6 Verification......................................................................................................................................................................................21
6.0 Appendix (A) – Manchester Encoding................................................................................................................................................22
7.0 Company or Product Inquiries............................................................................................................................................................22
2
AMI Semiconductor
– Jan. 07, M-20532-003
www.amis.com
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AMIS-49200-XTD 功能描述:總線收發(fā)器 FIELDBUS MAU PHY TRNSCVR RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
AMIS-49200-XTP 功能描述:總線收發(fā)器 FIELDBUS MAU PHY TRNSCVR RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
AMIS-49250-XTD 功能描述:總線收發(fā)器 Field Bus MAU Transceiver RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
AMIS-49250-XTP 功能描述:總線收發(fā)器 AMIS-49250 FIELDBUS MAU T RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
AMIS-492X0 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Fieldbus MAU
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