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| 型號： | SP522 |
| 英文描述： | Low-Cost Programmable Multi-Protocol Transceivers |
| 中文描述： | 低成本可編程多協(xié)議收發(fā)器 |
| 文件頁數(shù)： | 2/23頁 |
| 文件大小： | 200K |
| 代理商： | SP522 |
2
Rev. 7/10/03
SP522 Multi–Mode Serial Transceivers
Copyright 2003 Sipex Corporation
SPECIFICATIONS
Typical @ 25
°
C and nominal supply voltages unless otherwise noted.
MIN.
TYP.
MAX.
UNITS
CONDITIONS
LOGIC INPUTS
V
IL
V
IH
LOGIC OUTPUTS
V
OL
V
OH
RS422 DRIVER
TTL Input Levels
V
IL
V
Outputs
Differential Output
Open Circuit Voltage,V
O
Balance
Offset
Short Circuit Current
Power Off Current
Transition Time
Max. Transmission Rate
Propagation Delay
t
PHL
t
PLH
RS422 RECEIVER
TTL Output Levels
V
OL
V
OH
Input
High Threshold
Low Threshold
Common Mode Range
High Input Current
Low Input Current
Receiver Sensitivity
Input Impedance
Max. Transmission Rate
Propagation Delay
t
PHL
t
PLH
RS485 DRIVER
TTL Input Levels
V
IL
V
Outputs
Differential Output
Open Circuit Voltage,V
O
Balance
Output Current
Short Circuit Current
Transition Time
Max. Transmission Rate
Propagation Delay
t
PHL
t
PLH
0.8
Volts
Volts
2.0
0.4
Volts
Volts
I
OUT
= –3.2mA
I
OUT
= 1.0mA
2.4
0
0.8
Volts
Volts
2.0
+2.0
+5.0
+6.0
+0.4
+3.0
+150
+100
40
Volts
Volts
Volts
Volts
mA
μ
A
nS
Mbps
R=50
; see Figure 1
|V
T
| – |V
T
|
V
out
= 0V
V
= 0V, V
= +0.25V
Rise/fall time, 10%-90%
R
L
=100
T
A
= +25
°
C
R
DIFF
=100
, Figures 3 & 5
R
DIFF
=100
, Figures 3 & 5
10
90
90
150
150
nS
nS
0.4
Volts
Volts
2.4
+0.3
-6.0
-7.0
+6.0
-0.3
+7.0
Volts
Volts
Volts
(a)-(b)
(a)-(b)
Refer to Rec. input graph
Refer to Rec. input graph
V
CM
= +7V to -7V
+0.3
Volts
k
Mbps
4
10
T
= +25
°
C
Figures 3 & 7
Figures 3 & 7
110
110
175
175
nS
nS
0.8
Volts
Volts
2.0
+1.5
+5.0
+6.0
+0.2
Volts
Volts
Volts
mA
mA
nS
Mbps
R=27
; C
L
=50pF; see Fig. 1
|V
T
| – |V
T
|
R
L
=54
V
= –7V to +7V
Rise/fall time, 10%-90%
R
=54
Figures 3 & 5; T
= +25
°
C
R
DIFF
=54
, C
RL
= 50pF
R
DIFF
=54
, C
RL
= 50pF
28.0
+200
40
10
100
100
150
150
nS
nS
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