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參數(shù)資料
| 型號(hào)： | SP485ES |
| 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(yè)數(shù)： | 2/9頁(yè) |
| 文件大小： | 74K |
| 代理商： | SP485ES |
Date: 6/21/04
SP485R RS-485 Serial Transceiver
2
Copyright 2004 Sipex Corporation
Typically 25
°
C @ Vcc = +5V unless otherwise noted.
MIN.
TYP.
MAX.
UNITS
CONDITIONS
LOGIC INPUTS
V
IL
V
IH
LOGIC OUTPUTS
V
OL
V
OH
RS-485 DRIVER
DC Characteristics
TTL Input Levels
V
IL
V
Outputs
Open Circuit Voltage
Differential Output
Balance
Common-Mode Output
Output Current
Short Circuit Current
AC Characteristics
Maximum Data Rate
Output Transition Time
Propagation Delay
t
PHL
t
Driver Output Skew
0.8
Volts
Volts
2.0
0.4
Volts
Volts
I
OUT
= -3.2mA
I
OUT
= 1.0mA
2.4
0.8
Volts
Volts
2.0
6.0
5.0
±
0.2
3.0
Volts
Volts
Volts
Volts
mA
mA
1.5
R
L
=54
, C
L
=50pF
|V
T
| - |V
T
|
28.0
R
=54
Terminated in –7V to +12V
±
250
5
Mbps
ns
R
=54
Rise/fall time, 10%–90%
See Figures 3 and 5
R
DIFF
=54
, C
L1
=C
L2
=100pF
R
=54
, C
=C
L2
=100pF
see Figure 3 and 5,
t
SKEW
= | t
DPLH
- t
DPHL
|
30
60
60
5
100
100
15
ns
ns
ns
RS-485 RECEIVER
DC Characteristics
TTL Output Levels
V
OL
V
Tri-State Output Current
Inputs
Common Mode Range
Receiver Sensitivity
Input Impedance
0.4
Volts
Volts
μ
A
2.4
±
1
0.4V
≤
V
OUT
≤
2.4V; RE = V
CC
–7.0
+12.0
±
0.2
Volts
Volts
k
–7V
≤
V
CM
≤
+12V
–7V
≤
V
CM
≤
+12V
120
150
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
Storage Temperature..........................-65
C to +150
C
Power Dissipation
8-pin Plastic DIP...........................1000mW
8-pin Plastic N-SOIC.......................1000mW
Package Derating:
8-pin Plastic DIP
....................................................62
°
C/W
8-pin Plastic N-SOIC
JA
....................................................62
°
C/W
ELECTRICAL CHARACTERISTICS
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|---|---|
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP485ES-L | 功能描述:RS-485接口IC RS485 5000 kbps 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 |
| SP485R | 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:1/10th Unit Load RS-485 Transceiver |
| SP485RCN | 制造商:Exar Corporation 功能描述: |
| SP485RCN/TR | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| SP485RCN-L | 功能描述:RS-485接口IC RS485 1000 kbps temp 0C to 70C 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 |
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