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參數(shù)資料
| 型號： | AMIS-49200 |
| 英文描述： | Fieldbus MAU Chip |
| 中文描述： | 現(xiàn)場總線MAU芯片 |
| 文件頁數(shù)： | 7/22頁 |
| 文件大?。?/td> | 492K |
| 代理商： | AMIS-49200 |
AMIS-49200 Fieldbus MAU
Data Sheet
Table 1: Pin Numbers and Signal Description (Continued)
Signal Name
Pin No.
I/O (Note 1)
Digital
Supply
Analog
Supply
AI/O
Ground
Description
VDD
17
Supply voltage input for digital block
VCC
18
Analog supply voltage
CRT
VSS
19
20
Current integration to limit output slew rate
Ground
Output of an operational amplifier for slew rate control. This signal can be fed
to current driver.
Ground
Non-inverting input of an operational amplifier for transmission current driver
Inverting input of an operational amplifier for transmission current driver
Output of an operational amplifier for transmission current driver
For POL = VDD MDS_CTRL should = VSS
FOR POL = VSS MDS_CTRL can be tied to VDD or used as a not reset to
control when transmit communications will be enabled
Input pin of the band-pass filter. This pin is connected to VMID bias level with
270K resister.
Feedback signal of high-pass filter. This pin is connected to the output of an
opamp for high pass filter with 75K resistor.
Non-inverting input of an operational amplifier for the low-pass filter
Input pin of low-pass filter for feedback. This pin is connected to the output of
the high-pass filter through 20k
and the non-inverting input of the low-pass
filter through 54k
resisters.
Output of the operational amplifier for the low-pass filter. This signal is
internally connected to non-inverting input to form a voltage-follower.
Current integration (for carrier detect circuit)
Ground
MDS-MAU interface signal for received signal activity. This pin is a push-pull
output.
MDS-MAU interface signal for received signal. This pin is a push-pull
output.
MDS-MAU interface signal for enable signal transmission (Schmitt Trigger
Input)
MDS-MAU interface signal for signal to be transmitted (Schmitt Trigger Input)
Selects polarity of TxE input. When this pin is connected to GND, TxE is
active high. When this pin is connected to VDD, TxE is active low.
Ground
Ground
Connect to ground
Connect to ground
Connect to ground
VDRV
21
AO
VSS
CCINP
CCINM
CCOUT
22
23
24
25
Ground
AI
AI
AO
MDS_CTRL
26
AI
SIGIN
27
AI
HPF
28
AI
LPF
29
AI
FLT
30
AI
FLTOUT
31
AO
CCD
VSS
32
33
AO
Ground
RXA
34
DO
RXS
35
DO
TXE
36
DIS
TXS
37
DIS
POL
38
DIS
VSS
VSS
VSS
VSS
VSS
39
40
41
42
43
Ground
Ground
Ground
Ground
Ground
Analog
Supply
VCC
44
Analog supply voltage
Note:
1.
AI = Analog Input, AO = Analog Output, AI/O = Analog Input/Output, DIS = CMOS Digital Input (Schmitt Trigger),
DO = CMOS Digital Output.
7
AMI Semiconductor
– Jan. 07, M-20532-003
www.amis.com
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| 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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