參數(shù)資料
型號： MAX3157CPI
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 通用總線功能
英文描述： High CMRR RS-485 Transceiver with 【50V Isolation
中文描述： LINE TRANSCEIVER, PDIP28
封裝： 0.300 INCH, PLASTIC, MS-001, DIP-28
文件頁數(shù)： 3/13頁
文件大?。?/td> 307K
代理商： MAX3157CPI
M
High CMRR RS-485 Transceiver
with ±50V 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
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
=
±
50V
25
25
85
60
±
600
mA
Supply Current in Shutdown
Mode
I
SHDN
μA
Maximum Ground Differential
V
GND
DE = GND,
RE
= V
CC
,
| ISOCOM leakage |
≤
600μA
±
50
V
SWITCHING CHARACTERISTICS
(V
CC
= +5V ±5%, YR = ZR = AR = BR = ISOCOM, C1 = C2 = 0.047μF, C3 = C4 = 1μF. Typical values are at V
CC
= +5V and T
A
= +25
°
C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
t
DPLH
Figures 3 and 5, R
DIFF
= 54
,
C
L1
= C
L2
= 100pF
400
1400
2000
Driver Input to Output
t
DPHL
Figures 3 and 5, R
DIFF
= 54
,
C
L1
= C
L2
= 100pF
400
1400
2000
ns
Driver Output Skew
|
t
DPLH
- t
DPHL
|
t
DSKEW
Figures 3 and 5, R
DIFF
= 54
,
C
L1
= C
L2
= 100pF
250
ns
Driver Rise or Fall Time
t
DR
, t
DF
Figures 3 and 5, R
DIFF
= 54
,
C
L1
= C
L2
=100pF
200
1200
2200
ns
Maximum Data Rate
f
MAX
250
kbps
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參數(shù)描述
MAX3157CPI+ 功能描述:RS-485接口IC RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
MAX3157EAI 功能描述:RS-485接口IC RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
MAX3157EAI+ 功能描述:RS-422/RS-485 接口 IC High CMRR RS-485 Trxvr w/+-50V Iso RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX3157EAI+T 功能描述:RS-485接口IC High CMRR RS-485 Trxvr w/+-50V Iso RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
MAX3157EAIT 功能描述:RS-485接口IC RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
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