SP3490CN SIPEX [Sipex Corporation], SP3490CN Datasheet - Page 3

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

SPECIFICATIONS (continued)
T
Figure 1. Driver DC Test Load Circuit
Figure 3. Driver Differential Output Delay and
Transition Time Circuit
Figure 5. Driver Enable and Disable Timing Circuit,
Output LOW
AMB
Rev. 10/11/02
PARAMETERS
SP3490 RECEIVER
AC Characteristics
Maximum Data Rate
Receiver Input to Output, t
Receiver Input to Output, t
Differential Receiver Skew
POWER REQUIREMENTS
Supply Voltage
Supply Current
GENERATOR
= T
V
(NOTE 1)
CC
MIN
GENERATOR
(NOTE 1)
to T
0V OR 3V
MAX
D
and V
50Ω
50Ω
CC
D
= 3.3V ± 5% unless otherwise noted.
V
D
CC
C
V
(NOTE 2)
L
OD
= 50pF
S1
PLH
PHL
C
L
SP3490/3491 Low Power Full-Duplex RS485 Transceivers
MIN.
+3.0
R
R
10
40
40
V
C
CC
L
= 15pF (NOTE 2)
R
L
R
60Ω
OUT
V
= 110Ω
L
OC
=
TYP.
1000
OUT
800
70
70
4
MAX.
2000
1500
+3.6
120
120
85
85
3
Figure 4. Driver Enable and Disable Timing Circuit,
Output HIGH
Figure 6. Receiver Propagation Delay Test Circuit
Figure 2. Driver Propagation Delay Test Circuit
GENERATOR
UNITS
GENERATOR
(NOTE 1)
Mbps
Volts
(NOTE 1)
µA
ns
ns
ns
ns
ns
GENERATOR
(NOTE 1)
1.5V
0V
CONDITIONS
Figures 6 and 11
T
Figures 6 and 11
T
t
Figures 6 and 11
DE = V
DE = 0
PHL
AMB
AMB
50Ω
50Ω
50Ω
(A) - t
= 25
= 25
D
CC
V
D
CC
o
o
PLH
V
C, V
C, V
OM
C
V
(NOTE 2)
L
=
OM
© Copyright 2002 Sipex Corporation
V
(A) , t
= 50pF
ID
S1
V
=
CC
CC
OH
S1
+ V
2
V
= 3.3V, Figures 6 and 11
= 3.3V, Figures 6 and 11
OH
OL
PHL
R
+ V
2
1.5V
OL
(B) - t
V
C
DM
(NOTE 2)
L
1.5V
= 15pF
R
OUT
L
PLH
V
= 27Ω
OM
OUT
R
(B) ,
= V
OUT
L
C
(NOTE 2)
= 110Ω
L
2
CC
= 15pF