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參數(shù)資料
| 型號： | SP483CS |
| 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)： | 4/10頁 |
| 文件大?。?/td> | 78K |
| 代理商： | SP483CS |
4
Rev. 07/16/02
SP481/483/485 Low Power Half-Duplex RS485 Transceivers
Copyright 2002 Sipex Corporation
PIN FUNCTION
Pin# Name Description
1 RO Receiver Output.
2 RE Receiver Output Enable
Active LOW.
3 DE Driver Output Enable
Active HIGH.
4 DI Driver Input.
5 GND Ground Connection.
6 A Driver Output/Receiver Input
Non-inverting.
7 B Driver Output/Receiver Input
Inverting.
8 Vcc Positive Supply 4.75V<Vcc< 5.25V.
SP481, SP483, SP485
Pinout (Top View)
RO 1
RE 2
DE 3
DI 4
8 V
CC
7 B
6 A
5 GND
D
R
SP485
Top View
SP483 AC SPECIFICATIONS
T
MIN
to T
MAX
and V
CC
= 5V
±
5% unless otherwise noted.
PARAMETERS
SP483 DRIVER
AC Characteristics
Maximum Data Rate
Driver Input to Output
MIN.
TYP.
MAX.
UNITS
CONDITIONS
250
250
kbps
ns
800
2000
t
; R
= 54
, C
L1
= C
L2
see figures 3 & 6
t
; R
= 54
, C
L1
= C
L2
see figures 3 & 6
see figures 3 & 6,
t
= |t
- t
|
From 10% to 90%; R
= 54
,
C
L1
= C
= 100pF,
see figures 3 & 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 4 & 7; S
1
closed
C
L
= 15pF; See figures 4 & 7; S
2
closed
=
100pF;
Driver Skew
250
800
2000
ns
=
100pF;
Driver Rise and Fall Time
100
800
ns
250
2000
ns
Driver Enable to Output High
Driver Enable to Output Low
Driver Disable Time from Low
Driver Disable Time from High
250
250
300
300
2000
2000
3000
3000
ns
ns
ns
ns
SP483 RECEIVER
AC Characteristics
Maximum Data Rate
Receiver Input to Output
250
250
kbps
ns
2000
t
; R
= 54
, C
L1
= C
L2
Figures 3 & 8
R
= 54
, C
L1
= C
L2
Figures 3 & 8
=
100pF;
Diff. Receiver Skew It
PLH
-t
PHL
I
100
ns
=
100pF;
Receiver Enable to
Output Low
Receiver Enable to
Output High
Receiver Disable from Low
Receiver Disable from High
20
50
ns
C
RL
= 15pF; Figures 2 & 9;S
1
closed
20
20
20
50
50
50
ns
ns
ns
C
RL
= 15pF; Figures 2 & 9;S
2
closed
C
RL
= 15pF; Figures 2 & 9;S
1
closed
C
RL
= 15pF; Figures 2 & 9;S
2
closed
SP483
Shutdown Timing
Time to Shutdown
Driver Enable from Shutdown
to Output High
Driver Enable from Shutdown
to Output Low
Receiver Enable from
Shutdown to Output High
Receiver Enable from
Shutdown to Output Low
50
200
600
ns
RE = 5V, DE = 0V
2000
ns
C
L
= 100pF; See figures 4 & 7; S
2
closed
2000
ns
C
L
= 100pF; See figures 4 & 7;S
1
closed
2500
ns
C
L
= 15pF; See figures 4 & 7;S
2
closed
2500
ns
C
L
= 15pF; See figures 4 & 7;S
1
closed
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SP483EN | Low Power Half-Duplex RS-485 Transceivers |
| SP483ES | Low Power Half-Duplex RS-485 Transceivers |
| SP481 | Low Power Half-Duplex RS-485 Transceivers |
| SP481CN | Low Power Half-Duplex RS-485 Transceivers |
| SP481CS | Low Power Half-Duplex RS-485 Transceivers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP483CS-L | 功能描述:RS-485接口IC RS485 250 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| SP483E | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Enhanced Low EMI Half-Duplex RS-485 Transceiver |
| SP483E_05 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Enhanced Low EMI Half-Duplex RS-485 Transceiver |
| SP483ECN | 制造商:Exar Corporation 功能描述: |
| SP483ECN-L | 功能描述:RS-485接口IC RS485 250 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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