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SP481ECP 数据表(PDF) 3 Page - Sipex Corporation

部件名 SP481ECP
功能描述  Enhanced Low Power Half-Duplex RS-485 Transceivers
PDF  11 Pages
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制造商  SIPEX [Sipex Corporation]
网页  http://www.sipex.com
标志 SIPEX - Sipex Corporation

SP481ECP 数据表(HTML) 3 Page - Sipex Corporation

  SP481ECP Datasheet HTML 1Page - Sipex Corporation SP481ECP Datasheet HTML 2Page - Sipex Corporation SP481ECP Datasheet HTML 3Page - Sipex Corporation SP481ECP Datasheet HTML 4Page - Sipex Corporation SP481ECP Datasheet HTML 5Page - Sipex Corporation SP481ECP Datasheet HTML 6Page - Sipex Corporation SP481ECP Datasheet HTML 7Page - Sipex Corporation SP481ECP Datasheet HTML 8Page - Sipex Corporation SP481ECP Datasheet HTML 9Page - Sipex Corporation Next Button
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3
Rev. 5/16/03
SP481E Low Power Half-Duplex RS485 Transceivers
© Copyright 2003 Sipex Corporation
SPECIFICATIONS (continued)
T
MIN to TMAX and VCC = 5V ± 5% unless otherwise noted.
PARAMETERS
MIN.
TYP.
MAX.
UNITS
CONDITIONS
SP481E/SP485E RECEIVER
DC Characteristics
Differential Input Threshold
-0.2
+0.2
Volts
-7V ≤ V
CM ≤ +12V
Differential Input Threshold
-0.4
+0.4
Volts
-7V ≤ V
CM ≤ +12V
(SP485EMN ONLY)
Input Hysteresis
20
mV
V
CM = 0V
Output Voltage High
3.5
Volts
I
O = -4mA, VID = +200mV
Output Voltage Low
0.4
Volts
I
O = +4mA, VID = -200mV
Three-State (High Impedance)
Output Current
±1
µA
0.4V ≤ V
O ≤ 2.4V; RE = 5V
Input Resistance
12
15
kΩ
-7V ≤ V
CM ≤ +12V
Input Current (A, B); V
IN = 12V
+1.0
mA
DE = 0V, V
CC = 0V or 5.25V, VIN = 12V
Input Current (A, B); V
IN = -7V
-0.8
mA
DE = 0V, V
CC = 0V or 5.25V, VIN = -7V
Short-Circuit Current
7
95
mA
0V ≤ V
O ≤ VCC
SP481E/SP485E RECEIVER
AC Characteristics
Maximum Data Rate
10
Mbps
RE = 0V, DE = 0V
Receiver Input to Output
20
45
100
ns
t
PLH; RDIFF = 54Ω,
C
L1 = CL2 = 100pF; Figures 3 & 7
Receiver Input to Output
20
45
100
ns
t
PHL; RDIFF = 54Ω,
C
L1 = CL2
= 100pF; Figures 3 & 7
Diff. Receiver Skew It
PLH-tPHLI13
ns
R
DIFF = 54Ω; CL1 = CL2 = 100pF;
Figures 3 & 7
Receiver Enable to
Output Low
45
70
ns
C
RL = 15pF; Figures 2 & 8; S1 closed
Receiver Enable to
Output High
45
70
ns
C
RL = 15pF; Figures 2 & 8; S2 closed
Receiver Disable from Low
45
70
ns
C
RL = 15pF; Figures 2 & 8; S1 closed
Receiver Disable from High
45
70
ns
C
RL = 15pF; Figures 2 & 8; S2 closed
SP481E
Shutdown Timing
Time to Shutdown
50
200
600
ns
RE = 5V, DE = 0V
Driver Enable from Shutdown
to Output High
40
100
ns
C
L = 100pF; See Figures 4 & 6; S2 closed
Driver Enable from Shutdown
to Output Low
40
100
ns
C
L = 100pF; See Figures 4 & 6; S1 closed
Receiver Enable from
Shutdown to Output High
300
1000
ns
C
L = 15pF; See Figures 2 & 8; S2 closed
Receiver Enable from
Shutdown to Output Low
300
1000
ns
C
L = 15pF; See Figures 2 & 8; S1 closed
POWER REQUIREMENTS
Supply Voltage
+4.75
+5.25
Volts
Supply Current
SP481E/485E
No Load
900
µA
RE, DI = 0V or V
CC; DE = VCC
600
µA
RE = 0V, DI = 0V or 5V; DE = 0V
SP481E
Shutdown Mode
10
µA
DE = 0V, RE=V
CC
ENVIRONMENTAL AND MECHANICAL
Operating Temperature
Commercial (_C_)
0
+70
°C
Industrial (_E_)
-40
+85
°C
(_M_)
-40
+125
°C
Storage Temperature
-65
+150
°C
Package
Plastic DIP (_P)
NSOIC (_N)



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