參數(shù)資料
型號(hào)： MAX491M
廠商： Maxim Integrated Products, Inc.
元件分類(lèi)： RS-485
英文描述： Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
中文描述： 低功耗，限擺率限制RS-485/RS-422收發(fā)器
文件頁(yè)數(shù)： 3/16頁(yè)
文件大?。?/td> 133K
代理商： MAX491M
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
相關(guān)PDF資料
PDF描述
MAX491MJD Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX491MJD 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX491MSD/PR 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX491MSD/PR-T 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
MAX4920BETD+ 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX4920BETD+T 功能描述:電池管理 Battery Power-Up Logic RoHS:否 制造商:Texas Instruments 電池類(lèi)型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
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