參數(shù)資料
型號： MAX3158
廠商： Maxim Integrated Products, Inc.
英文描述： 4x4 1.5 Gbps LVDS Crosspoint Switch 38-TSSOP -40 to 85
中文描述： 高共模抑制比RS-485收發(fā)器，提供±60V隔離
文件頁數(shù)： 3/14頁
文件大?。?/td> 305K
代理商： MAX3158
M
High CMRR RS-485 Transceiver
with ±60V Isolation
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +5V ±5%, YR = ZR = AR = BR = ISOCOM, C1 = C2 = 0.047μF, C3 = C4 = 1μF, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Typical values are at V
CC
= +5V and T
A
= +25
°
C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
I
IN1
I
IN2
DE, DI,
RE
H/
F
, TXP, RXP internal pulldown
±2
40
Input Current
10
μA
DE = GND, V
CC
= GND or 5.25V, -7V
≤
(V
IN
-
V
ISOCOM
)
≤
+12V, AR = BR = ISOCOM
-5.0
+8.0
Input Current (A and B)
I
IN3
DE = GND, V
CC
= GND or 5.25V, -7V
≤
(V
IN
-
V
ISOCOM
)
≤
+12V, AR open, BR open
-0.58
+1.0
mA
DE = GND, V
CC
= GND or 5.25V, -7V
≤
(V
IN
-
V
ISOCOM
)
≤
+12V, YR = ZR = ISOCOM
-5.0
+8.0
Output Leakage (Y and Z)
Full Duplex
I
O
DE = GND, V
CC
= GND or 5.25V, -7V
≤
(V
IN
-
V
ISOCOM
)
≤
+12V, YR open, ZR open
V
ISOCOM
- 7V
≤
V
OUT
≤
V
ISOVCC
V
ISOCOM
- 7V
≤
V
OUT
≤
V
ISOCOM
+ 12V
-0.58
+1.0
mA
I
OSD1
I
OSD2
-250
Driver Short-Circuit Output
Current (Note 3)
250
mA
RECEIVER
Receiver Differential Threshold
Voltage
V
TH
-7V
≤
V
CM
- V
ISOCOM
≤
+12V
-200
-125
-50
m V
Receiver Input Hysteresis
Receiver Output High Voltage
Receiver Output Low Voltage
V
TH
V
OH
V
OL
25
mV
V
V
I
O
= -4mA, V
ID
= -50mV
I
O
= 4mA, V
ID
= -200mV
V
CC
- 1.5
0.4
Three-State Output Current at
Receiver
I
OZR
0.4V
≤
V
O
≤
2.4V
±
1
μA
-7V
≤
V
CM
- V
ISOCOM
≤
+12V, AR = BR =
ISOCOM
1.5
Receiver Input Resistance
R
IN
-7V
≤
V
CM
- V
ISOCOM
≤
+12V, AR open,
BR open
12
k
Receiver Output Short-Circuit
Current
I
OSR
0V
≤
V
RO
≤
V
CC
±
7
±
100
mA
SUPPLY CURRENT
Supply Current
I
CC
No load,
RE
= DE = DI = GND or V
CC
DE = GND,
RE
= V
CC
, V
ISOCOM
= GND
DE = GND,
RE
= V
CC
, V
ISOCOM
=
±
60V
25
25
85
60
±
650
mA
Supply Current in Shutdown
Mode
I
SHDN
μA
Maximum Ground Differential
V
GND
DE = GND,
RE
= V
CC
,
| ISOCOM leakage |
≤
650μA
±
60
V
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