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参数资料
型号： MAX491C
厂商： Maxim Integrated Products, Inc.
元件分类： RS-485
英文描述： Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
中文描述： 低功耗，限摆率限制RS-485/RS-422收发器
文件页数： 3/16页
文件大小： 133K
代理商： MAX491C
M
±15kV ES D-Protec ted, S lew-Rate-Limited,
Low-Power, RS -485/RS -422 Transc eivers
_______________________________________________________________________________________
3
SWITCHING CHARACTERISTICS—MAX481E/MAX485E, MAX490E/MAX491E, MAX1487E
(V
CC
= 5V ±5%, T
A
= T
MIN
to T
MAX
, unless otherwise noted.) (Notes 1, 2)
PARAMETER
SYMBOL
t
PLH
Figures 10 and 12, R
DIFF
= 54
,
C
L1
= C
L2
= 100pF
Figures 10 and 12, R
DIFF
= 54
, C
L1
= C
L2
= 100pF
DC ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= 5V ±5%, T
A
= T
MIN
to T
MAX
, unless otherwise noted.) (Notes 1, 2)
mA
kV
7
95
0V
≤
V
O
≤
V
CC
A, B, Y and Z pins, tested using Human Body Model
I
OSR
Receiver Short-Circuit Current
ESD Protection
mA
35
250
-7V
≤
V
O
≤
12V (Note 4)
I
OSD2
Driver Short-Circuit Current,
V
O
= Low
mA
35
250
-7V
≤
V
O
≤
12V (Note 4)
I
OSD1
Driver Short-Circuit Current,
V
O
= High
MAX1487E,
CC
250
120
400
250
350
650
CONDITIONS
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
230
400
300
500
MAX481E/MAX485E,
CC
500
300
900
500
MAX490E/MAX491E,
CC
300
500
MAX488E/MAX489E,
CC
120
250
DE = V
CC
DE = 0V
DE = V
CC
DE = 0V
μA
MAX481E/483E/487E, DE = 0V, –—= V
CC
0.5
10
I
SHDN
Supply Current in Shutdown
I
CC
No-Load Supply Current
(Note 3)
DE = V
CC
DE = 0V
MAX483E
MAX487E
MAX483E/MAX487E,
CC
μA
5
20
25
MAX490EC/E, MAX491EC/E
MAX481E, MAX485E, MAX1487E
Driver Rise or Fall Time
t
R
, t
F
3
20
40
Figures 10 and 12,
R
DIFF
= 54
,
C
L1
= C
L2
= 100pF
MAX490EC/E, MAX491EC/E
Figures 11 and 13, C
L
= 15pF, S2 closed
Figures 10 and 14,
R
DIFF
= 54
,
C
L1
= C
L2
= 100pF
Figures 10 and 14, R
DIFF
= 54
,
C
L1
= C
L2
= 100pF
Figures 9 and 15, C
RL
= 15pF, S1 closed
Figures 9 and 15, C
RL
= 15pF, S2 closed
Figures 9 and 15, C
RL
= 15pF, S1 closed
Figures 9 and 15, C
RL
= 15pF, S2 closed
Figures 11 and 13, C
L
= 15pF, S1 closed
Figures 11 and 13, C
L
= 100pF, S1 closed
Figures 11 and 13, C
L
= 100pF, S2 closed
MIN
10
10
TYP
40
40
MAX
60
60
UNITS
Driver Enable to Output High
Driver Enable to Output Low
Driver Disable Time from Low
Driver Disable Time from High
t
ZH
t
ZL
t
LZ
t
HZ
45
45
45
45
70
70
70
70
Receiver Input to Output
t
PLH
, t
PHL
Driver Output Skew to Output
ns
ns
ns
ns
|
t
PLH
- t
PHL
|
Differential
Receiver Skew
Receiver Enable to Output Low
Receiver Enable to Output High
Receiver Disable Time from Low
Receiver Disable Time from High
Maximum Data Rate
Time to Shutdown
t
SKD
5
ns
20
60
200
t
ZL
t
ZH
t
LZ
t
HZ
f
MAX
t
SHDN
20
20
20
20
50
50
50
50
ns
ns
ns
Driver Input to Output
Mbps
ns
2.5
50
200
600
t
SKEW
5
10
ns
CONDITIONS
MAX481E (Note 5)
MAX481E, MAX485E, MAX1487E
t
PHL
ns
ns
ns
20
60
150
ns
±15
相关PDF资料
PDF描述
MAX491CPD Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX491CSD Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX491E Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX491EPD Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX491ESD Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
相关代理商/技术参数
参数描述
MAX491C/D 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
MAX491C/D DIE 制造商:Maxim Integrated Products 功能描述:
MAX491CPD 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
MAX491CPD+ 功能描述:RS-422/RS-485 接口 IC RS-485/RS-422 Transceiver 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
MAX491CSD 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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