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參數(shù)資料
| 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)： | 3/23頁 |
| 文件大小： | 200K |
| 代理商： | SP522 |
3
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
RS485 RECEIVER
TTL Output Levels
V
OL
V
OH
Input
Common Mode Range
High Input Current
Low Input Current
Receiver Sensitivity
Input Impedance
Max. Transmission Rate
Propagation Delay
t
PHL
t
PLH
RS232 DRIVER
TTL Input Level
V
IL
V
Outputs
High Level Output
Low Level Output
Open Circuit Voltage
Short Circuit Current
Power Off Impedance
Slew Rate
0.4
Volts
Volts
2.4
-7.0
+12.0
Volts
Refer to Rec. input graph
Refer to Rec. input graph
V
CM
= +12V to -7V
V
CM
= +12V to -7V
±
0.1
Volts
k
Mbps
12
10
T
= +25
°
C
Figures 3 & 7
Figures 3 & 7
110
110
175
175
nS
nS
0.8
Volts
Volts
2.0
+5.0
-15.0
-15
+15
-5.0
+15
+100
Volts
Volts
Volts
mA
R
L
=3K
, V
IN
=0.8V
R
L
=3K
, V
IN
=2.0V
V
out
= 0V
V
cc
= 0V, V
out
=
±
2.0V
R
=3K
, C
=50pF,
between +3V to –3V
R
L
=3K
, C
L
=2500pF
R
L
=3K
, C
L
=2500pF
T
A
= +25
°
C
R
L
=3K
R
L
=3K
300
30
V/
μ
s
Transition Time
Max. Transmission Rate
Propagation Delay
t
PHL
t
PLH
RS232 RECEIVER
TTL Output Levels
V
OL
V
OH
Input
High Threshold
Low Threshold
Receiver Open Circuit Bias
Input Impedance
Max. Transmission Rate
Propagation Delay
t
PHL
t
PLH
RS423 DRIVER
TTL Input Levels
V
IL
V
Output
High Level Output
Low Level Output
Open Circuit Voltage
Short Circuit Current
1.5
μ
s
120
Kbps
2
2
8
8
μ
S
μ
S
0.4
Volts
Volts
2.4
1.7
1.2
3.0
Volts
Volts
Volts
K
Kbps
0.8
+2.0
7
3
5
120
T
A
= +25
°
C
0.2
0.2
1
1
μ
S
μ
S
0.8
Volts
Volts
2.0
V
DD
= +5V, V
= –5V
R
L
=450
, V
T
= 0.9*V
OC
R
L
=450
, V
T
= 0.9*V
OC
+3.6
-6.0
+4.0
+6.0
-3.6
+6.0
+150
Volts
Volts
Volts
mA
V
OUT
= 0V
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