SP3490CN SIPEX [Sipex Corporation], SP3490CN Datasheet - Page 5

• Manufacturer Part Number: SP3490CN
• Description: +3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate
• Manufacturer: SIPEX [Sipex Corporation]

NOTE 1: The input pulse is supplied by a generator with the following characteristics:
PRR=250KHz, 50% duty cycle, t
NOTE 2: C
SPECIFICATIONS
T
Rev. 10/11/02
AMB
PARAMETERS
SP3491 DRIVER
DC Characteristics
Differential Output Voltage
Differential Output Voltage
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
SP3491 DRIVER
AC Characteristics
Maximum Data Rate
Driver Input to Output, t
Driver Input to Output, t
Differential Driver Skew
Driver Rise or Fall Time
Driver Enable to Output HIGH
Driver Enable to Output LOW
Driver Disable from LOW
Driver Disable from HIGH
= T
V
V
MIN
OUT
OUT
to T
= HIGH
= LOW
MAX
L
and V
includes probe and stray capacitance.
CC
= +3.3V ± 5% unless otherwise noted.
PLH
PHL
SP3490/3491 Low Power Full-Duplex RS485 Transceivers
MIN.
GND
1.5
2.0
10
20
20
2
r
< 6.0ns, Z
TYP.
40
40
52
60
40
60
2
5
0
=50Ω.
MAX.
+250
+250
V
V
V
+10
120
120
120
120
0.2
0.8
60
60
20
5
3
CC
CC
CC
UNITS
Mbps
Volts
Volts
Volts
Volts
Volts
Volts
Volts
mA
mA
µA
ns
ns
ns
ns
ns
ns
ns
ns
CONDITIONS
Unloaded; R = ∞; Figure 1
With Load; R = 50Ω; (RS-422);
Figure 1
With Load; R = 27Ω; (RS-485); Figure 1
R = 27Ω or R = 50Ω; Figure 1
R = 27Ω or R = 50Ω; Figure 1
Applies to D, REB, DE
Applies to D, REB, DE
Applies to D, REB, DE
-7V < V
-7V < V
Figures 2 and 8
Figures 2 and 8
t
Figures 2 and 8
From 10% to 90%; Figures 3 and 9
Figures 4 and 10
Figures 5 and 10
Figures 5 and 10
Figures 4 and 10
PHL
(Y) - t
O
O
< +12V
< +12V
PLH
© Copyright 2002 Sipex Corporation
(Y) , t
PHL
(Z) - t
PLH
(Z) ,