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參數(shù)資料
| 型號(hào)： | AMIS-49200-XTP |
| 廠商： | ON Semiconductor |
| 文件頁(yè)數(shù)： | 8/22頁(yè) |
| 文件大小： | 0K |
| 描述： | IC TXRX FIELDBUS MAU 44LQFP |
| 標(biāo)準(zhǔn)包裝： | 1,500 |
| 類(lèi)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(lèi)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： | 帶卷 (TR) |
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AMIS-492x0
Figure 10: Current Control Circuit
4.4 Receive Block
The receive block contains three sub-blocks, which are internally connected:
1.
A band pass filter – to filter the desired incoming communication signal.
2.
Carrier detector – generates the RxA signal by detecting the signal amplitude.
3.
Zero-cross detector generates the RxS signal by detecting the high/low transitions of the Manchester code.
4.4.1. Band Pass Filter
The band pass filter is a series connection of a high-pass and a low-pass filters each having two poles. Each filter is comprised of a
voltage follower and on chip resisters, so only four external capacitors are necessary. The following figure shows an internal circuit and
the connection of external capacitors. Cut-off frequency, fL, of the high-pass filter is determined by C1 and C2 while cut-off frequency, fH,
of the low-pass filter is determined by C3 and C4.
2
1
2
F
1
F
C
*
C
*
R
*
R
1
2
1
L
f
π
=
1
F
2
F
R
2
1
L
Q
=
=0.95
4
3
4
F
3
F
C
*
C
*
R
*
R
1
2
1
H
f
π
=
4
3
C
L
*
44
.
0
Q
=
=0.95
The possible ranges of fL and fH are 1kHz ~ 10kHz and 10kHz ~ 100kHz, respectively.
The values in the following figure are
recommended to obtain 1kHz and 47.6kHz cut-off frequencies.
Rev. 6 | Page 16 of 22 | www.onsemi.com
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| AMIS-49250-XTD | 功能描述:總線(xiàn)收發(fā)器 Field Bus MAU Transceiver RoHS:否 制造商:Fairchild Semiconductor 邏輯類(lèi)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(lèi)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(xiàn)收發(fā)器 AMIS-49250 FIELDBUS MAU T RoHS:否 制造商:Fairchild Semiconductor 邏輯類(lèi)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(lèi)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(chēng):ON Semiconductor 功能描述:Fieldbus MAU |
| AMIS492X0GEVB | 制造商:ON Semiconductor 功能描述:FIELDBUS EVAL BOARD - Bulk |
| AMIS-49587 | 制造商:ONSEMI 制造商全稱(chēng):ON Semiconductor 功能描述:Power Line Carrier Modem |
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