參數(shù)資料
型號(hào)： AMIS-49200-XTD
廠商： ON Semiconductor
文件頁(yè)數(shù)： 11/22頁(yè)
文件大小： 0K
描述： TXRX FIELDBUS MAU 44-LQFP
標(biāo)準(zhǔn)包裝： 160
類型： 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù)： 1/1
規(guī)程： MDS-MAU
電源電壓： 4.75 V ~ 6.2 V
安裝類型： 表面貼裝
封裝/外殼： 44-LQFP
供應(yīng)商設(shè)備封裝： 44-LQFP（10x10）
包裝： 托盤(pán)
產(chǎn)品目錄頁(yè)面： 1116 (CN2011-ZH PDF)
其它名稱： 766-1019
AMIS-492x0
5.3 External Circuitry
Figure 13 shows the external circuitry required to connect the AMIS-492x0 to an IEC 61158-2 conformant network. This schematic is
the circuit that was used to pass the FOUNDATION Fieldbus Physical Layer Conformance test as specified in FOUNDATION Fieldbus
specification FF830, Rev 1.5. This circuit is similar but not identical to the circuit recommended by Yokogawa for the
μSAA22Q.
Figure 13: AMIS-492x0 Reference Circuit Implementation
Table 13 lists the four external component values that need to be changed with using the AMIS-492x0 in a circuit that previously used
the
μSAA22Q.
Table 13: Passive External Component Value Differences Between the SAA22Q and the AMIS-492x0
Component
μSAA22Q Value
AMIS-492x0 Value
C1
100pf
150pf
C3
100pf
47pf
C4
470pf
220pf
C8
10nf
1
μf
C1 connects to signal CCD (Pin 32) and controls the carrier detect assert and drop-out timing. Particular implementations may require
that the value of C1 be changed to accommodate received signal level changes introduced by the addition of intrinsic safety
components added to the external circuitry. C3 and C4 are part of the receive filter and determine the band pass characteristics of the
receive filter. It is unlikely that these would need to be changed. C8 is a noise filter for VMID. It is important that VMID have as little
noise as possible as it is used as a reference for many sub-circuits in the AMIS-492x0. C8 must be a large capacitor with maximum of
100nf. C8 recommended value is 1
μf.
Rev. 6 | Page 19 of 22 | www.onsemi.com
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參數(shù)描述
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
AMIS492X0GEVB 制造商:ON Semiconductor 功能描述:FIELDBUS EVAL BOARD - Bulk
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