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參數(shù)資料
| 型號： | SP481ES |
| 英文描述： | Low Power Half-Duplex RS-485 Transceivers |
| 中文描述： | 低功耗半雙工RS - 485收發(fā)器 |
| 文件頁數(shù)： | 2/10頁 |
| 文件大?。?/td> | 78K |
| 代理商： | SP481ES |
2
Rev. 07/16/02
SP481/483/485 Low Power Half-Duplex RS485 Transceivers
Copyright 2002 Sipex Corporation
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation of the device at
these ratings or any other above those indicated in the operation sections
of the specifications below is not implied. Exposure to absolute maximum
rating conditions for extended periods of time may affect reliability.
V
............................................................................................................
±
12V
Input Voltages
Logic........................................................-0.3V to (V
CC
+0.5V)
Drivers..................................................-0.3V to (V
+0.5V)
Receivers.................................................................
±
15V
Output Voltages
Logic........................................................-0.3V to (V
+0.5V)
Drivers......................................................................
15V
Receivers............................................-0.3V to (V
+0.5V)
Storage Temperature.......................................................-65C to +150C
Power Dissipation...........................................................................500mW
SPECIFICATIONS
T
MIN
to T
MAX
and V
CC
= 5V
±
5% unless otherwise noted.
PARAMETERS
SP481/SP483/SP485 DRIVER
DC Characteristics
Differential Output Voltage
Differential Output Voltage
MIN.
TYP.
MAX.
UNITS
CONDITIONS
GND
2
V
CC
V
CC
Volts
Volts
Unloaded; R =
∞
; see figure 1
with load; R = 50
; (RS422);
see figure 1
with load; R = 27
; (RS485); see figure 1
Differential Output Voltage
Change in Magnitude of Driver
Differential Output Voltage for
Complimentary States
Driver Common-Mode
Output Voltage
Input High Voltage
Input Low Voltage
Input Current
Driver Short-Circuit Current
V
OUT
= HIGH
V
OUT
= LOW
SP481/SP485 DRIVER
AC Characteristics
Maximum Data Rate
Driver Input to Output
1.5
V
CC
Volts
0.2
Volts
R = 27
or R = 50
; see figure 1
3
Volts
Volts
Volts
μ
A
R = 27
or R = 50
; see figure 1
Applies to DE, DI, RE
Applies to DE, DI, RE
Applies to DE, DI, RE
2.0
0.8
±
10
35
35
250
250
mA
mA
-7V
≤
V
O
≤
+12V
-7V
≤
V
O
≤
+12V
5
20
Mbps
ns
RE = 5V, DE = 5V
t
; R
= 54
, C
L1
= C
L2
= 100pF;
see figures 3 and 6
t
; R
= 54
, C
L1
= C
L2
= 100pF;
see figures 3 and 6
see figures 3 and 6,
t
= | t
- t
|
From 10% to 90%; R
= 54
,
C
L1
= C
= 100pF; see figures 3 and 6
C
L
= 100pF; see figures 4 & 7;S
2
closed
C
L
= 100pF; see figures 4 & 7;S
closed
C
L
= 15pF; see figures 2 & 9;S
1
closed
C
L
= 15pF; see figures 2 & 9;S
2
closed
30
60
Driver Input to Output
20
30
60
ns
Driver Skew
5
10
ns
Driver Rise or Fall Time
3
15
40
ns
Driver Enable to Output High
Driver Enable to Output Low
Driver Disable Time from Low
Driver Disable Time from High
40
40
40
40
70
70
70
70
ns
ns
ns
ns
SP481/SP483/SP485
RECEIVER
DC Characteristics
Differential Input Threshold
Input Hysteresis
Output Voltage High
Output Voltage Low
Three-State (High Impedance)
Output Current
Input Resistance
Input Current (A, B); V
IN
= 12V
Input Current (A, B); V
IN
= -7V
Short-Circuit Current
-0.2
+0.2
Volts
mV
Volts
Volts
-7V
≤
V
CM
≤
+12V
V
CM
= 0V
I
O
ID
= +200mV
I
O
= +4mA, V
ID
= -200mV
10
3.5
0.4
±
1
μ
A
k
mA
mA
mA
0.4V
≤
V
O
≤
2.4V; RE = 5V
-7V
≤
V
≤
+12V
DE = 0V, V
CC
= 0V or 5.25V, V
IN
= 12V
DE = 0V, V
= 0V or 5.25V, V
IN
= -7V
0V
≤
V
CM
≤
V
CC
12
15
+1.0
-0.8
95
7
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SP485RCN | High-Fanout RS-485 Transceiver |
| SP485RCP | High-Fanout RS-485 Transceiver |
| SP485REN | 1/10th Unit Load RS-485 Transceiver |
| SP485REP | 1/10th Unit Load RS-485 Transceiver |
| SP481RCN | High-Fanout RS-485 Transceiver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP481R | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:High-Fanout RS-485 Transceiver |
| SP481RCN | 制造商:Exar 功能描述:High-Fanout Half-Duplex RS-485 Transceiver 制造商:Other 功能描述:High-Fanout Half-Duplex RS-485 Transceiver |
| SP481RCN/TR | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:1/10th Unit Load RS-485 Transceiver |
| SP481RCP | 制造商:Exar 功能描述:High-Fanout Half-Duplex RS-485 Transceiver 制造商:Other 功能描述:High-Fanout Half-Duplex RS-485 Transceiver |
| SP481REN | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:1/10th Unit Load RS-485 Transceiver |
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