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SP504 数据表(PDF) 2 Page - Sipex Corporation

部件名 SP504
功能描述  WAN Multi-Mode Serial Transceiver
PDF  31 Pages
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制造商  SIPEX [Sipex Corporation]
网页  http://www.sipex.com
标志 SIPEX - Sipex Corporation

SP504 数据表(HTML) 2 Page - Sipex Corporation

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2
Rev: A Date:1/27/04
SP504 Multi–Mode Serial Transceivers
© Copyright 2004 Sipex Corporation
SPECIFICATIONS
T
A = +25°C and VCC = +5.0V unless otherwise noted.
MIN.
TYP.
MAX.
UNITS
CONDITIONS
LOGIC INPUTS
V
IL
0.8
Volts
V
IH
2.0
Volts
LOGIC OUTPUTS
V
OL
0.4
Volts
I
OUT= +3.2mA
V
OH
2.4
Volts
I
OUT= –1.0mA
RS-485 DRIVER
TTL Input Levels
V
IL
0.8
Volts
V
IH
2.0
Volts
Outputs
HIGH Level Output
+6.0
Volts
LOW Level Output
–0.3
Volts
Differential Output
±1.5
±5.0
Volts
R
L=54Ω, CL=50pF
Balance
±0.2
Volts
|V
T| - |VT|
Offset
+2.5
Volts
Open Circuit Voltage
±6.0
Volts
Output Current
28.0
mA
R
L=54Ω
Short Circuit Current
±250
mA
Terminated in –7V to +10V
Transition Time
20
40
ns
Rise/fall time, 10%–90%
Max. Transmission Rate
10
Mbps
R
L=54Ω; Figure 3a
Propagation Delay
T
A @ 25°C & VCC = +5V only
t
PHL
50
80
100
ns
Figures 3a and 5; R
L=54Ω
t
PLH
50
80
100
ns
C
L=50pF
Differential Driver Skew
20
40
ns
| t
PHL – tPLH |; TA @ +25°C
RS-485 RECEIVER
TTL Output Levels
V
OL
0.4
Volts
V
OH
2.4
Volts
Input
HIGH Threshold
+0.2
+12
Volts
(a)-(b)
LOW Threshold
–7.0
–0.2
Volts
(a)-(b)
Common Mode Range
–7.0
+12.0
Volts
HIGH Input Current
Refer to Rec. input graph
LOW Input Current
Refer to Rec. input graph
Receiver Sensitivity
±0.2
Volts
Over –7V to +12V common
mode range
Input Impedance
12
kΩ
Max. Transmission Rate
10
Mbps
Figure 3a
Propagation Delay
T
A = 25°C & VCC = +5V only
t
PHL
80
110
180
ns
Figures 3a and 7; A is invert-
t
PLH
80
110
180
ns
ing and B is non-inverting.
Differential Receiver Skew
30
ns
| t
PHL – tPLH |; TA @ +25°C
V.35 DRIVER
TTL Input Levels
All outputs measured w/
V
IL
0.8
Volts
150Ω termination resistor
V
IH
2.0
Volts
connected to the non-
inverting outputs as shown
Outputs
in Figure 18.
Differential Output
±0.44
±0.66
Volts
R
L=100Ω
Source Impedance
50
100
150
Ω
Short-Circuit Impedance
135
150
165
Ω
V
OUT = –2V to +2V; A = B
Voltage Output Offset
–0.6
+0.6
Transition Time
35
60
ns
48kbps data rate.; T
A@ 25°C
Max. Transmission Rate
10
Mbps
R
L=100Ω



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