SP481_04 Datasheet, PDF (3/10 Pages) Sipex Corporation – Low Power Half-Duplex RS-485 Transceivers

T_MIN to T_MAX and V_CC = 5V ± 5% unless otherwise noted.
PARAMETERS
MIN.
SP481/SP485 RECEIVER
AC Characteristics
Maximum Data Rate
5
Receiver Input to Output
60
Receiver Input to Output
60
Diff. Receiver Skew It_PLH-t_PHLI
Receiver Enable to
Output Low
Receiver Enable to
Output High
Receiver Disable from Low
Receiver Disable from High
TYP.
90
90
13
20
20
20
20
SP481
Shutdown Timing
Time to Shutdown
50
200
Driver Enable from Shutdown
to Output High
40
Driver Enable from Shutdown
to Output Low
40
Receiver Enable from
Shutdown to Output High
300
Receiver Enable from
Shutdown to Output Low
300
POWER REQUIREMENTS
Supply Voltage
+4.75
Supply Current
SP481/485
No Load
900
SP483
No Load
600
SP481/SP483
Shutdown Mode
ENVIRONMENTAL AND
MECHANICAL
Operating Temperature
Commercial (_C_)
0
Industrial (_E_)
-40
Storage Temperature
-65
Package
Plastic DIP (_S)
NSOIC (_N)
ELECTRICAL CHARACTERISTICS
MAX. UNITS CONDITIONS
Mbps RE = 0V, DE = 0V
200
ns
t_PLH; R_DIFF = 54Ω,
C_L1 = C_L2 = 100pF; Figures 3 & 8
200
ns
tC_PLH1L;=RC_DLIF2F==10504pΩ_{F,; Figures 3 & 8}
ns
R_DIFF = 54Ω; C_L1 = C_L2 = 100pF;
Figures 3 & 8
50
ns
C_RL = 15pF; Figures 2 & 9; S₁ closed
50
ns
C_RL = 15pF; Figures 2 & 9; S₂ closed
50
ns
C_RL = 15pF; Figures 2 & 9; S₁ closed
50
ns
C_RL = 15pF; Figures 2 & 9; S₂ closed
600
ns RE = 5V, DE = 0V
100
ns C_L = 100pF; See figures 4 & 7; S₂ closed
100
ns C_L = 100pF; See figures 4 & 7; S₁ closed
1000 ns
C_L = 15pF; See figures 2 & 9; S₂ closed
1000 ns
C_L = 15pF; See figures 2 & 9; S₁ closed
+5.25 Volts
µA
RE, DI = 0V or V_CC; DE = V_CC
µA RE = 0V, DI = 0V or 5V; DE = 0V
µA
RE, DI = 0V or V_CC; DE = V_CC
µA RE=0V, DI = 0V or 5V; DE = 0V
10
µA DE = 0V, RE=V_CC
+70 °C
+85 °C
+150 °C
Rev. 07/28/04
SP481/483/485 Low Power Half-Duplex RS485 Transceivers
3
© Copyright 2002 Sipex Corporation