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參數(shù)資料
| 型號： | MAX487ESA+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 15/17頁 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS485/RS422 8-SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 1/1 |
| 規(guī)程： | RS422，RS485 |
| 電源電壓： | 4.75 V ~ 5.25 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOIC |
| 包裝： | 帶卷 (TR) |
Low-Power, Slew-Rate-Limited
RS-485/RS-422 Transceivers
______________________________________________________________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
5
VCC
GND
DI
DE
RE
RO
R
D
Rt
7
6
D
R
DE
RE
DI
RO
A
B
1
2
3
4
8
7
6
5
VCC
B
A
GND
DI
DE
RE
RO
DIP/SO
R
D
1
2
3
4
8
7
6
5
VCC
A
GND
DE
RE
B
RO
μMAX
B
A
DI
MAX481
MAX483
MAX485
MAX487
MAX1487
Figure 1. MAX481/MAX483/MAX485/MAX487/MAX1487 Pin Configuration and Typical Operating Circuit
MAX
—
5
6
7
8
—
2
—
1
3
—
MAX
4
5
6
7
—
8
—
1
—
2
—
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
7
—
B
Inverting Receiver Input and Inverting Driver Output
—
7
11
B
Inverting Receiver Input
8
1
14
VCC
Positive Supply: 4.75V
≤ VCC ≤ 5.25V
—
1, 8, 13
N.C.
No Connect—not internally connected
FUNCTION
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
FUNCTION
NAME
MAX481/MAX483/
MAX485/MAX487/
MAX1487
MAX488/
MAX490
MAX489/
MAX491
MAX481/MAX483/MAX485
MAX487–MAX491/MAX1487
Maxim Integrated
7
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX487ESA-W | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX487MJA | 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 |
| MAX4880ETB | 制造商:Maxim Integrated Products 功能描述:OVERVOLTAGE PROTECTION CONTROLLER W - Rail/Tube |
| MAX4880ETB-T | 功能描述:電源開關(guān) IC - 配電 RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關(guān)閉時間（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 |
| MAX4881ETB | 制造商:Maxim Integrated Products 功能描述:OVERVOLTAGE PROTECTION CONTROLLERS - Rail/Tube |
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