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參數資料
| 型號： | SP3494CN |
| 英文描述： | +3.3V Low Power Slew Rate Limited RS-485/RS-422 Transceivers |
| 中文描述： | 3.3V低功耗轉換率受限的RS-485/RS-422收發(fā)器 |
| 文件頁數： | 3/11頁 |
| 文件大小： | 131K |
| 代理商： | SP3494CN |
3
10/16/02
SP3493/3494 +3.3V Low Power Slew-Rate Limited RS-485/RS-422 Transceivers
Copyright 2002 Sipex Corporation
SPECIFICATIONS
(continued)
T
AMB
= T
MIN
to T
MAX
and V
CC
= 3.3V
±
5% unless otherwise noted.
PARAMETERS
SP3493 RECEIVER
AC Characteristics
Maximum Data Rate
Receiver Input to Output, t
PLH
MIN.
TYP.
MAX.
UNITS
CONDITIONS
250
35
kbps
ns
70
120
Figures 6 and 11
Receiver Input to Output, t
PHL
35
70
120
ns
Figures 6 and 11
Differential Receiver Skew
10
ns
Figures 6 and 11
SP3493 POWER REQUIREMENTS
Supply Current
SP3494 DRIVER
DC Characteristics
Differential Output Voltage
Differential Output Voltage
1000
2000
μ
A
D = 0 or V
CC
GND
2
V
CC
V
CC
Volts
Volts
Unloaded; R =
∞
; Figure 1
with load; R = 50
; (RS-422); 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
SP3494 DRIVER
AC Characteristics
Maximum Data Rate
1.5
V
CC
Volts
with load; R = 27
; (RS-485); Figure 1
0.2
Volts
R = 27
or R = 50
; Figure 1
3
Volts
Volts
Volts
μ
A
R = 27
or R = 50
; 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
2.5
Mbps
RE = V
CC
, DE = V
CC
Driver Input to Output, t
PLH
20
45
75
ns
Figures 2 and 8
Driver Input to Output, t
PHL
20
45
75
ns
Figures 2 and 8
Differential Driver Skew
Driver Rise or Fall Time
Driver Enable to Output High
Driver Enable to Output Low
Driver Disable Time from Low
Driver Disable Time from High
SP3494
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
10
30
52
60
40
60
ns
ns
ns
ns
ns
ns
t
- t
, Figures 2 and 9
From 10% to 90%,
Figures 3 and
9
Figures 4 and 10
Figures 5 and 10
Figures 5 and 10
Figures 4 and 10
70
120
120
120
120
-0.2
+0.2
Volts
mV
Volts
Volts
-7V < V
CM
< +12V
V
CM
= 0V
V
ID
= +200mV, -1.5mA
V
ID
= -200mV, 2.5mA
20
V
CC
-0.4
0.4
+1
μ
A
k
mA
mA
mA
0V < V
O
< V
; RE = V
CC
-7V < V
< +12V
DE = 0V, V
CC
= 0V or 3.6V, V
IN
= 12V
DE = 0V, V
= 0V or 3.6V, V
IN
= -7V
0V < V
CM
< V
CC
12
15
1.0
-0.8
60
7
相關PDF資料 |
PDF描述 |
|---|---|
| SP3494CP | +3.3V Low Power Slew Rate Limited RS-485/RS-422 Transceivers |
| SP3494EN | +3.3V Low Power Slew Rate Limited RS-485/RS-422 Transceivers |
| SP3494EP | +3.3V Low Power Slew Rate Limited RS-485/RS-422 Transceivers |
| SP3493CN | +3.3V Low Power Slew Rate Limited RS-485/RS-422 Transceivers |
| SP3493CP | +3.3V Low Power Slew Rate Limited RS-485/RS-422 Transceivers |
相關代理商/技術參數 |
參數描述 |
|---|---|
| SP3494CN/TR | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| SP3494CN-L | 功能描述:RS-422接口集成電路 3.3V Slew Ltd RS485/ RS422 2.5Mbps Half RoHS:否 制造商:Texas Instruments 數據速率: 工作電源電壓:5 V 電源電流:35 mA 工作溫度范圍: 安裝風格:Through Hole 封裝 / 箱體:PDIP-16 封裝:Tube |
| SP3494CN-L/TR | 功能描述:RS-422接口集成電路 3.3V Slew Ltd RS485/ RS422 2.5Mbps Half RoHS:否 制造商:Texas Instruments 數據速率: 工作電源電壓:5 V 電源電流:35 mA 工作溫度范圍: 安裝風格:Through Hole 封裝 / 箱體:PDIP-16 封裝:Tube |
| SP3494CP | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power Slew Rate Limited RS-485/RS-422 Transceivers |
| SP3494CP-L | 制造商:Exar Corporation 功能描述: |
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