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): 11/22頁
文件大?。?/td> 492K
代理商: AMIS-49200
AMIS-49200 Fieldbus MAU
Data Sheet
3.4 Receiver Block
Table 10: Receiver Sub-blocks
Parameter
Band Pass Filter
Input voltage
Output voltage swing
Symbol
Min.
Typ.
Max.
Units
Conditions
V
BP
1
1
4
4
V
V
SIGIN pin to GND
FLTOUT
Output slew rate
SR
0.6
V/
μ
s
Input offset voltage
V
OS
±
5
mV
RF1
60
75
90
k
RF2
216
270
324
k
RF3
16
20
24
k
Filter resistors
1
RF4
43
54
65
k
Carrier Detector
V
TH+
V
TH-
40
-60
50
-50
60
-40
mV
mV
Threshold voltage
Relative to V
MID
Output high voltage
V
OH
V
DD
-0.6
V
I
OH
= 0 mA
Output low voltage
V
OL
0.3
V
I
OL
= 0 mA
Output high current
I
OH
50
μ
A
V
DD
-V
O
0.6V
Output low current
I
OL
50
μ
A
V
O
0.6V
Output rising time
t
R
0.3
μ
s
C
L
= 10pF
Output leak current
Zero-cross Detector
t
F
0.3
μ
s
C
L
= 10pF
V
TH+
V
MID
+0.025
V
MID
+0.040
V
MID
+0.058
V
No carrier
Threshold voltage
V
TH-
V
MID
V
MID
V
MID
V
Carrier active
Output high voltage
V
OH
V
DD
-0.6
V
I
OH
= 0 mA
Output low voltage
V
OL
0.3
V
I
OL
= 0 mA
Output high current
I
OH
50
μ
A
V
DD
-V
O
0.6V
Output low current
I
OL
50
μ
A
V
O
0.6V
Output rising time
t
R
0.3
μ
s
C
L
= 10pF
Output leak current
t
F
0.3
μ
s
C
L
= 10pF
Notes:
1.
The band pass filter is made up of a two pole high pass filter in series with a two pole low pass filter. The filter consists of four resistors internal to AMIS-49200,
and four external capacitors. The active part of each filter is an amplifier connected in a follower configuration.
11
AMI Semiconductor
– Jan. 07, M-20532-003
www.amis.com
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