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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)： | 20/22頁 |
| 文件大?。?/td> | 492K |
| 代理商： | AMIS-49200 |
AMIS-49200 Fieldbus MAU
Data Sheet
5.3 External Circuitry
Figure 12 shows the external circuitry required to connect the AMIS-49200 to an IEC 61158-2 conformant network. This schematic is
the circuit that was used to pass the Fieldbus Foundation Physical Layer Conformance test as specified in Fieldbus Foundation
specification FF830, Rev 1.5. This circuit is similar but not identical to the circuit recommended by Yokogawa for the
μ
SAA22Q.
Figure 12: AMIS-49200 Reference Circuit Implementation
Table 13 below lists the four external component values that need to be changed with using the AMIS-49200 in a circuit that previously
used the
μ
SAA22Q.
Table 13: Passive External Component Value Differences Between the
μ
SAA22Q and the AMIS-49200
Component
μ
SAA22Q Value
AMIS-49200 Value
C1
C3
C4
C8
100pf
100pf
470pf
10nf
150pf
47pf
220pf
1
μ
f
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
20
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) |
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|---|---|
| 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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