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| 型號(hào)： | MAX483 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 3.3/5-V RS-485 Transceiver 8-SOIC -40 to 85 |
| 中文描述： | 低功耗、限擺率、RS-485/RS-422收發(fā)器 |
| 文件頁(yè)數(shù)： | 7/19頁(yè) |
| 文件大?。?/td> | 439K |
| 代理商： | MAX483 |
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M
Low-Power, Slew-Rate-Limited
RS-485/RS-422 Transceivers
_______________________________________________________________________________________
7
______________________________________________________________Pin Description
MAX481
MAX483
MAX485
MAX487
MAX1487
TOP VIEW
NOTE: PIN LABELS Y AND Z ON TIMING, TEST, AND WAVEFORM DIAGRAMS REFER TO PINS A AND B WHEN DE IS HIGH.
TYPICAL OPERATING CIRCUIT SHOWN WITH DIP/SO PACKAGE.
1
2
3
4
8
7
5
V
CC
GND
DI
DE
RE
RO
R
D
Rt
Rt
6
D
R
DE
RE
DI
RO
A
B
1
2
3
4
8
7
6
5
V
CC
B
A
GND
DI
DE
RE
RO
DIP/SO
R
D
1
2
3
4
8
7
6
5
V
CC
A
GND
DE
RE
B
RO
μ
MAX
B
A
DI
MAX481
MAX483
MAX485
MAX487
MAX1487
Figure 1. MAX481/MAX483/MAX485/MAX487/MAX1487 Pin Configuration and Typical Operating Circuit
μMAX
—
—
5
6
7
8
—
2
—
1
3
—
μMAX
4
5
6
7
—
—
8
—
1
—
2
—
DIP/SO
DIP/SO
2
3
Receiver Output Enable. RO is enabled when
RE
is low; RO is
high impedance when
RE
is high.
3
4
Driver Output Enable. The driver outputs, Y and Z, are enabled
by bringing DE high. They are high impedance when DE is low. 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.
DIP/SO
—
4
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.
5
6, 7
Ground
—
9
Noninverting Driver Output
—
10
Inverting Driver Output
—
3
4
6
—
Noninverting Receiver Input and Noninverting Driver Output
—
12
Noninverting Receiver Input
5
6
—
8
RE
DE
DI
GND
Y
Z
A
A
7
—
—
B
Inverting Receiver Input and Inverting Driver Output
—
7
11
B
Inverting Receiver Input
8
1
14
V
CC
Positive Supply: 4.75V
≤
V
CC
≤
5.25V
—
—
1, 8, 13
N.C.
No Connect—not internally connected
FUNCTION
FUNCTION
NAME
NAME
4
3
1
2
Receiver Output: If A > B by 200mV, RO will be high;
If A < B by 200mV, RO will be low.
2
RO
PIN
MAX481/MAX483/
MAX485/MAX487/
MAX1487
MAX488/
MAX490
MAX489/
MAX491
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4830ELT | 制造商:Maxim Integrated Products 功能描述:50MA/100MA CURRENT-LIMIT SWITCHES W - Rail/Tube |
| MAX4830ELT/V+ | 制造商:Maxim Integrated Products 功能描述:50MA/100MA CURRENT-LIMIT SWITCHES W - Rail/Tube |
| MAX4830ELT/V+T | 功能描述:電源開(kāi)關(guān) IC - 配電 50mA/100mA Current Limit Switch RoHS:否 制造商:Exar 輸出端數(shù)量:1 開(kāi)啟電阻（最大值）:85 mOhms 開(kāi)啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| MAX4830ELT+ | 制造商:Maxim Integrated Products 功能描述:50MA/100MA CURRENT-LIMIT SWITCHES WITH NO-LOAD FLAG - Rail/Tube |
| MAX4830ELT+T | 功能描述:電源開(kāi)關(guān) IC - 配電 50mA/100mA Current Limit Switch RoHS:否 制造商:Exar 輸出端數(shù)量:1 開(kāi)啟電阻（最大值）:85 mOhms 開(kāi)啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
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