Datasheet 搜索 > RS485控制器 > Maxim Integrated（美信） > MAX3485EESA 数据手册 > MAX3485EESA 原理图 PDF 1/2 页
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MAX3485EESA 原理图 PDF - Maxim Integrated（美信）
制造商:
Maxim Integrated（美信）
分类:
RS485控制器
封装:
SOIC-8
描述:
3.3V供电， 【 15kV ESD保护， 12Mbps的和摆率限制真RS - 485 / RS -422收发器 3.3V-Powered, 【15kV ESD-Protected, 12Mbps and Slew-Rate-Limited True RS-485/RS-422 Transceivers
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MAX3485EESA数据手册
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MAX3483E/MAX3485E/MAX3486E/MAX3488E/MAX3490E/MAX3491E
3.3V-Powered, ±15kV ESD-Protected, 12Mbps and
Slew-Rate-Limited True RS-485/RS-422 Transceivers
6 _______________________________________________________________________________________
0.8
0.7
0.9
1.0
1.1
1.2
-40 -20 0 20 40 60 10080
SUPPLY CURRENT
vs. TEMPERATURE
MAX3483E-09
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
X = DON’T CARE
DE = V
CC
, RE = X
DE = 0, RE = 0
Typical Operating Characteristics (continued)
(V
CC
= +3.3V, T
A
= +25°C, unless otherwise noted.)
0
10
20
30
40
50
60
70
80
100
90
-40 -20 0 20 40 60 10080
SHUTDOWN CURRENT
vs. TEMPERATURE
MAX3483E-10
TEMPERATURE (°C)
SHUTDOWN CURRENT (nA)
Pin Description
—
—
3
4
5
6
—
8
—
7
1
—
MAX3483E
MAX3485E
MAX3486E
21
2
3
4
5
—
—
6
—
7
—
8
—
2
Receiver Output. If A > B by 200mV, RO will be high; if A < B by 200mV,
RO will be low.
3
Receiver Output Enable. RO is enabled when RE is low; RO is high imped-
ance when RE is high. If RE is high and DE is low, the device will enter a
low-power shutdown mode.
4
Driver Output Enable. The driver outputs are enabled by bringing DE high.
They are high impedance when DE is low. If RE is high and DE is low, the
device will enter a low-power shutdown mode. If the driver outputs are
enabled, the parts function as line drivers. While they are high impedance,
they function as line receivers if RE is low.
5
Driver Input. A low on DI forces output Y low and output Z high. Similarly, a
high on DI forces output Y high and output Z low.
6, 7 Ground
9 Noninverting Driver Output
10 Inverting Driver Output
— Noninverting Receiver Input and Noninverting Driver Output
12 Noninverting Receiver Input
RO
RE
DE
DI
GND
Y
Z
A
A
— B Inverting Receiver Input and Inverting Driver Output
11 B Inverting Receiver Input
13, 14 V
CC
Positive Supply: 3.0V ≤ V
CC
≤ 3.6V. Do not operate device with V
CC
> 3.6V.
1, 8 N.C. No Connection. Not internally connected.
MAX3488E
MAX3490E
PIN
FUNCTION
MAX3491E
FUNCTION
NAME
NAME
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