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参数资料
| 型号： | MAX1480E |
| 厂商： | Maxim Integrated Products, Inc. |
| 元件分类： | RS-485 |
| 英文描述： | 15kV ESD-Protected, Isolated RS-485/RS-422 |
| 中文描述： | ±15kV ESD保护、隔离型、RS-485/RS-422数据接口 |
| 文件页数： | 3/21页 |
| 文件大小： | 487K |
| 代理商： | MAX1480E |
M
Complete, Isolated RS-485/RS-422
Data Interface
_______________________________________________________________________________________
3
PARAMETER
SYMBOL
CONDITIONS
MIN
2
1.5
TYP
MAX
UNITS
R = 50
(RS-422)
R = 27
(RS-485), Figure 4
Differential Driver Output
(With Load)
Change in Magnitude of
Differential Output Voltage for
Complementary Output States
Driver Common-Mode Output
Voltage
V
OD2
5.0
V
Differential
0.3
V
OD
R = 27
or 50
,
Figure 4
Common mode
0.3
V
V
OC
R = 27
or 50
, Figure 4
4
V
MAX1490A/B
MAX1480A/B/C
MAX1490A/B
MAX1480A/B/C
0.25
1
0.2
0.8
V
IN
= 12V
Input Current (A, B)
ISO I
IN
DE
′
= 0V,
V
CC_
= 0V
or 5.5V
V
IN
= -7V
mA
Receiver Input Resistance
R
IN
-7V
≤
V
CM
≤
12V
12
k
Receiver Differential Threshold
Voltage
V
TH
-7V
≤
V
CM
≤
12V
-0.2
+0.2
V
Receiver Input Hysteresis
V
TH
V
CM
= 0V
Using resistor values listed in
Tables 1 and 2
70
mV
Receiver Output
/Receiver Output
Low Voltage
V
OL
0.4
V
Receiver Output
/Receiver Output
High Current
I
OH
V
OUT
= 5.5V
250
μA
Driver Short-Circuit Current
ISO I
OSD
-7V
≤
V
O
≤
12V (Note 4)
100
mA
ELECTRICAL CHARACTERISTICS (continued)
(V
CC_
= 5V ±10%, V
FS
= V
CC_
, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V
CC_
= 5V and T
A
= +25°C.) (Notes 1, 2)
SWITCHING CHARACTERISTICS—MAX1480A/MAX1490A
(V
CC_
= 5V ±10%, FS = V
CC_
, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V
CC_
= 5V and TA = +25°C.)
PARAMETER
SYMBOL
t
PLH
t
PHL
CONDITIONS
MIN
TYP
100
100
MAX
275
275
UNITS
Driver Input to Output
Propagation Delay
Figures 5 and 7, R
DIFF
= 54
, C
L1
= C
L2
= 100pF
ns
Driver Output Skew
t
SKEW
Figures 5 and 7, R
DIFF
= 54
, C
L1
= C
L2
= 100pF
25
90
ns
Driver Rise or Fall Time
t
R,
t
F
Figures 5 and 7, R
DIFF
= 54
, C
L1
= C
L2
= 100pF
15
40
ns
Driver Enable to Output High
(MAX1480A Only)
t
ZH
Figures 6 and 8, C
L
= 100pF, S2 closed
0.2
1.5
μs
Driver Enable to Output Low
(MAX1480A Only)
t
ZL
Figures 6 and 8, C
L
= 100pF, S1 closed
0.2
1.5
μs
Driver Disable Time from Low
(MAX1480A Only)
t
LZ
Figures 6 and 8, C
L
= 15pF, S1 closed
0.2
1.5
μs
Driver Disable Time from High
(MAX1480A Only)
t
HZ
Figures 6 and 8, C
L
= 15pF, S2 closed
0.2
1.5
μs
t
PLH
t
PHL
100
100
225
225
Receiver Input to Output
Propagation Delay
Figures 5 and 10, R
DIFF
= 54
, C
L1
= C
L2
= 100pF
ns
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1480EACPI | 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube |
| MAX1480EACPI+ | 功能描述:RS-422/RS-485 接口 IC Isolated RS-422/485 Data Interface RoHS:否 制造商:Maxim Integrated 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube |
| MAX1480EAEPI | 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube |
| MAX1480EAEPI+ | 功能描述:RS-422/RS-485 接口 IC Isolated RS-422/485 Data Interface RoHS:否 制造商:Maxim Integrated 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube |
| MAX1480ECCPI | 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 数据速率:1136 Kbps 工作电源电压:3 V to 5.5 V 电源电流:5.9 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-28 封装:Tube |
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