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): 9/22頁
文件大小: 492K
代理商: AMIS-49200
AMIS-49200 Fieldbus MAU
Data Sheet
3.2 Power Supply Blocks
Table 5: Regulator Specifications
Parameter
Shunt Regulator
Symbol
Min.
Typ.
Max.
Units
Conditions
4.85
4.75
5.0
5.15
6.2
V
V
Preset, I
SH
= 1 to 5mA
External setting
Internal pass transistor N-ch &
pad
I
SH
= 1 to 25mA
No load capacitance
Output voltage
V
CC
Sink current
I
SH
0.001
25
mA
Load capacitance
Load regulation
Temperature coefficient
Series Regulator
Input voltage
C
SH
TC
Vcc
5
0
μ
F
%
1.6
4
±
200
ppm/°C
V
CC
4.75
6.2
V
Internally tied to V
CC
pin
Preset, I
SR
= 0
External setting & N-JFET
Internal pass transistor P-ch &
pad
For stability use Cap w/ ESR
I
SR
= 0 to 20mA
2.91
2.85
3.0
3.09
3.5
V
V
Output voltage
V
O
Output current
I
SR
20
mA
Load capacitance
Load regulation
Temperature coefficient
Low Voltage Detectors
(applies to N_PFail1 and N_PFail2)
Threshold
C
SR
TC
Vo
5
0
μ
F
%
2
4
±
200
ppm/°C
V
TH9
85
90
95
% Vref
SxSETIN > V
TH9
(output: L
H)
SxSETIN < (V
V
HYS5
)
(output: H
L )
V
OL
=0.4V
(open drain)
V
OH
= 5V
Hysteresis
V
HYS5
.012
.025
.038
V
Output sink current
Output leakage current
I
OL
I
L
30
135
1
μ
A
μ
A
Table 6: Voltage Reference Specifications
Parameter
Bandgap Voltage Reference
Output voltage tolerance
Temperature drift
Hysteresis
1
Supply voltage
Load current
V
voltage reference
Output voltage
Output current
Load capacitance
Temperature coefficient
Notes:
1.
Hysteresis is defined as the change in the 25°C reading after 85°C to 25°C cycle and –40°C to 25°C cycle.
Symbol
Min.
Typ.
Max.
Units
Conditions
V
REF
V
REFHYS
V
CCREF
I
REFOUT
1.157
-
4.75
-
1.185
50
100
5
-
1.205
-
6.2
0
V
Equates to: +/- 2 percent
ppm/°C
μ
V
V
μ
A
Note 1
No load during operation
V
MID
I
MID
C
MID
TC
MID
1.95
-30
0.01
2.0
0.1
2.05
100
1
±
200
V
μ
A
μ
F
DVC6000F uses 1uF
ppm/°C
3.3 Transmitter Blocks
Table 7: MDS-MAU Interface
Parameter
MDS-MAU Interface
POL input pin
TxE input pin
TxS input pin
Note:
The associated MDS chip must handle the jabber detect function.
Symbol
Min.
Typ.
Max.
Units
Conditions
POL
TxE
TxS
V
V
V
See Schmitt Trigger Input Specs.
9
AMI Semiconductor
– Jan. 07, M-20532-003
www.amis.com
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