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參數(shù)資料
| 型號： | SP3494EP |
| 英文描述： | +3.3V Low Power Slew Rate Limited RS-485/RS-422 Transceivers |
| 中文描述： | 3.3V低功耗轉(zhuǎn)換率受限的RS-485/RS-422收發(fā)器 |
| 文件頁數(shù)： | 2/11頁 |
| 文件大?。?/td> | 131K |
| 代理商： | SP3494EP |
2
10/16/02
SP3493/3494 +3.3V Low Power Slew-Rate Limited RS-485/RS-422 Transceivers
Copyright 2002 Sipex Corporation
SPECIFICATIONS
T
AMB
= T
MIN
to T
MAX
and V
CC
= 3.3V
±
5% unless otherwise noted.
PARAMETERS
SP3493 DRIVER
DC Characteristics
Differential Output Voltage
Differential Output Voltage
MIN.
TYP.
MAX.
UNITS
CONDITIONS
GND
2
V
CC
V
CC
Volts
Volts
Unloaded; R =
∞
; Figure 1
With Load; R = 50
; (RS-422);
Figure 1
W
ith Load; R = 27
; (RS-485);
Figure 1
Differential Output Voltage
Change in Magnitude of Driver
Differential Output Voltage for
Complimentary States
Driver Common-Mode
Output Voltage
Input High Voltage
Input Low Voltage
Input Current
Driver Short-Circuit Current
V
OUT
= HIGH
V
OUT
= LOW
1.5
V
CC
Volts
0.2
Volts
R = 27
or R = 50
; Figure 1
3
Volts
Volts
Volts
μ
A
R = 27
or R = 50
; Figure 1
2.0
0.8
+10
+250
+250
mA
mA
-7V < V
O
< +12V
-7V < V
O
< +12V
SP3493 DRIVER
AC Characteristics
Maximum Data Rate
Driver Input to Output, t
PLH
250
400
kbps
ns
900
1500
Figures 2 and 8
Driver Input to Output, t
PHL
400
900
1500
ns
Figures 2 and 8
Differential Driver Skew
10
ns
t
(Y) - t
(Y) , t
PHL
(Z) - t
PLH
(Z) ,
Figures 2 and 8
Figures 2 and 8
From 10% to 90%;
Figures 3 and 9
Driver Rise or Fall Time
10
30
ns
SP3493
RECEIVER
DC Characteristics
Differential Input Threshold
Input Hysteresis
Output Voltage High
Output Voltage Low
Input Resistance
Input Current (A, B); V
IN
= 12V
Input Current (A, B); V
IN
= -7V
Short-Circuit Current
0.2
+0.2
Volts
mV
Volts
Volts
k
mA
mA
mA
-7V < V
CM
< 12V
V
CM
= 0V
I
O
ID
= +200mV
I
= +2.5mA, V
ID
= -200mV
-7V < V
< 12V
V
IN
= 12V
V
= -7V
0V < V
O
< V
CC
25
V
CC
-0.4
0.4
12
15
1.0
-0.8
60
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation of the device at
these ratings or any other above those indicated in the operation sections
of the specifications below is not implied. Exposure to absolute maximum
rating conditions for extended periods of time may affect reliability.
V
............................................................................................ +6.0V
Input Voltages
Drivers ........................................................................ -0.3V to +6.0V
Receivers...................................................................................
±
14V
Output Voltages
Drivers .......................................................................................
±
14V
Receivers.................................................................... -0.3V to +6.0V
Storage Temperature ................................................. -65C to +150
Power Dissipation per Package
8-pin PDIP (derate11.8mW/
o
C above +70
o
C) ...................... 1000mW
8-pin NSOIC (derate 6.90mW/
o
C above +70
o
C) .................... 600mW
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| SP3496E | 制造商:EXAR 制造商全稱:EXAR 功能描述:HIGH SPEED +3.3V RS-485/RS-422 TRANSCEIVERS WITH +/-15KV ESD PROTECTION AND ADVANCED FAILSAFE |
| SP3496EEN-L | 功能描述:RS-422/RS-485 接口 IC Full Duplex RS-422/ RS-485 Transceiver 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 |
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