參數(shù)資料
型號(hào)： MAX3291
廠商： Maxim Integrated Products, Inc.
英文描述： 32-Bit Digital Signal Controller with Flash 128-LQFP -40 to 85
中文描述： RS-485/RS-422收發(fā)器，帶有預(yù)加重，用于高速、遠(yuǎn)距離通信
文件頁數(shù)： 3/16頁
文件大小： 285K
代理商： MAX3291
M
RS-485/RS-422 Transceivers with Preemphasis
for High-Speed, Long-Distance Communication
_______________________________________________________________________________________
3
DC ELECTRICAL CHARACTERISTICS (continued)
(Typical Operating Circuit, V
CC
= +5V ±5%, R
PSET
= 0 (MAX3292), V
CC
= V
CCD
(MAX3292), T
A
= T
MIN
to T
MAX
, unless otherwise
noted. Typical values are at V
CC
= +5V and T
A
= +25°C.) (Note 1)
SWITCHING CHARACTERISTICS
(Typical Operating Circuit, V
CC
= +5V ±5%, R
PSET
= 0 (MAX3292), V
CC
= V
CCD
(MAX3292), T
A
= +25°C, unless otherwise noted.
Typical values are at V
CC
= +5V and T
A
= +25°C.)
CONDITIONS
t
DPLH
-7V
≤
V
CM
≤
+12V
RE
= V
CC,
DE = GND, V
Y
= V
Z
= 0 to V
CC
or
floating
RE
= GND, DE = V
CC
0
≤
V
O
≤
V
CC
-7V
≤
V
CM
≤
+12V
0
≤
V
RO
≤
V
CC
CONDITIONS
mV
-200
200
V
TH
Receiver Differential
Threshold Voltage
Receiver Input Hysteresis
Receiver Output High Voltage
Receiver Output Low Voltage
μA
0.1
1
I
SHDN
Supply Current in Shutdown
Mode
mA
2.0
3.0
I
CC +
I
CCD
No-Load Supply Current
μA
0.1
±1
I
OZR
Three-State Output Current at
Receiver
Receiver Input Resistance
Receiver Output Short-Circuit
Current
SUPPLY CURRENT
k
48
R
IN
mA
±15
±95
I
OSR
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
V
A
= V
B
= 0
I
O
= -4mA, V
A
- V
B
= V
TH
I
O
= 4mA, V
A
- V
B
= -V
TH
mV
V
V
35
V
TH
V
OH
V
OL
3.5
0.4
DE = GND,
V
CC
= GND or 5.25V
μA
-150
I
A
,
B
250
Input Current (A and B)
V
IN
= +12V
V
IN
= -7V
Driver Differential Output
Rise or Fall Time
Figures 3 and 5, R
DIFF
= 54
,
C
L1
= C
L2
= 50pF
ns
44
65
t
DPHL
t
HL
t
LH
Driver Propagation Delay
12
Figures 3 and 5, R
DIFF
= 54
,
C
L1
= C
L2
= 50pF
ns
Differential Driver Output
Skew
t
DPLH
- t
DPHL
Figures 3 and 10, R
DIFF
= 54
,
C
L1
= C
L2
= 50pF
ns
30
t
PTND
Preemphasis Voltage Level to
Normal Voltage Level Delay
t
DSKEW
Figures 3 and 5, R
DIFF
= 54
,
C
L1
= C
L2
= 50pF
3
8
ns
Mbps
10
f
MAX
Maximum Data Rate
41
65
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
RECEIVER
Driver Preemphasis Interval
t
PRE
80
100
120
Figures 3 and 10,
R
DIFF
= 54
,
C
L1
= C
L2
= 50pF
ns
0.75
1
1.25
μs
MAX3292,
R
PSET
= 523k
MAX3291/MAX3292,
R
PSET
= 0
相關(guān)PDF資料
PDF描述
MAX3291CPD RS-485/RS-422 Transceivers with Preemphasis for High-Speed, Long-Distance Communication
MAX3291CSD SCR Thyristor; Peak Reflow Compatible (260 C):Yes RoHS Compliant: Yes
MAX3291-MAX3292 32-Bit Digital Signal Controller with Flash 128-LQFP -40 to 125
MAX3291EPD RS-485/RS-422 Transceivers with Preemphasis for High-Speed, Long-Distance Communication
MAX3291ESD 32-Bit Digital Signal Controller with Flash 179-BGA MICROSTAR -40 to 85
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX3291CPD 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
MAX3291CPD+ 功能描述:RS-422/RS-485 接口 IC For Long-Distance Communication 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
MAX3291CSD 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
MAX3291CSD+ 功能描述:RS-422/RS-485 接口 IC For Long-Distance Communication 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
MAX3291CSD+T 功能描述:RS-422/RS-485 接口 IC For Long-Distance Communication 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
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