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參數(shù)資料
| 型號： | SP1485ECP |
| 英文描述： | Enhanced Low Power Half-Duplex RS-485 Transceivers |
| 中文描述： | 增強型低功耗半雙工RS - 485收發(fā)器 |
| 文件頁數(shù)： | 2/11頁 |
| 文件大?。?/td> | 78K |
| 代理商： | SP1485ECP |
Rev:C Date: 02/26/04
SP1485E Low Power Half-Duplex RS485 Transceivers
2
Copyright 2004 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
............................................................................................................+7V
Input Voltages
Logic........................................................-0.3V to (V
CC
+0.5V)
Drivers..................................................-0.3V to (V
+0.5V)
Receivers.................................................................
±
15V
T
MIN
to T
MAX
and V
CC
= 5V
±
5% unless otherwise noted.
PARAMETERS
SP1485E DRIVER
DC Characteristics
Differential Output Voltage
Differential Output Voltage
MIN.
TYP.
MAX.
UNITS
CONDITIONS
3.5
2
V
CC
V
CC
Volts
Volts
Unloaded; R =
∞
; see Figure 1
with load; R = 50
; (RS-422);
see Figure 1
with load; R = 27
; (RS-485);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
SP1485E DRIVER
AC Characteristics
Maximum Data Rate
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
±
250
±
250
mA
mA
-7V
≤
V
O
≤
+12V
-7V
≤
V
O
≤
+12V
20
Mbps
RE = 5V, DE = 5V; R
DIFF
= 54
,
C
L1
= C
L2
= 100pF
t
; R
= 54
, C
= C
L2
= 100pF;
see Figures 3 and 5
Driver Input to Output
10
30
40
ns
10
ns t
PHL
; R
DIFF
= 54
, C
LI
= C
L2
= 100pF;
Driver Skew
3
ns
see Figures 3 and 5,
t
= | t
- t
|
From 10% to 90%; R
= 54
,
C
L1
= C
= 100pF; s
ee Figures 3 &
6
C
= 100pF; see Figures 4 & 6;S
2
closed
C
= 100pF; see Figures 4 & 6;S
1
closed
C
= 100pF; see Figures 4 & 6;S
1
closed
C
= 100pF; see Figures 4 & 6;S
2
closed
Driver Rise or Fall Time
8
20
ns
Driver Enable to Output High
40
70
ns
Driver Enable to Output Low
40
70
ns
Driver Disable Time from Low
40
70
ns
Driver Disable Time from High
40
70
ns
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 per Package
8-pin NSOIC (derate 6.60mW/
o
C above +70
o
C)...........................550mW
8-pin PDIP (derate 11.8mW/
o
C above +70
o
C)............................1000mW
ELECTRICAL CHARACTERISTICS
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SP1485EEN | Enhanced Low Power Half-Duplex RS-485 Transceivers |
| SP1485EEP | Enhanced Low Power Half-Duplex RS-485 Transceivers |
| SP1486E | +5V, 20Mbps PROFIBUS RS485/RS422 Transceivers Advanced Failsafe, 1/8th Unit Load, 【15kV ESD-Protected |
| SP1486EEN-L | +5V, 20Mbps PROFIBUS RS485/RS422 Transceivers Advanced Failsafe, 1/8th Unit Load, 【15kV ESD-Protected |
| SP1486EMN-L | +5V, 20Mbps PROFIBUS RS485/RS422 Transceivers Advanced Failsafe, 1/8th Unit Load, 【15kV ESD-Protected |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP1485ECP-L | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| SP1485EEN | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Enhanced Low Power Half-Duplex RS-485 Transceivers |
| SP1485EEN-L | 功能描述:RS-485接口IC RS485 no shutdown temp -40C to 85C RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| SP1485EEN-L/TR | 功能描述:RS-485接口IC 20MBPS HALF-DUPLEX RS-485 -40-85C RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| SP1485EEP | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Enhanced Low Power Half-Duplex RS-485 Transceivers |
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