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參數(shù)資料
| 型號： | ADM1486ARZ-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 13/16頁 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS-485 PRO-BUS 5V 8SOIC |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 1/1 |
| 規(guī)程： | 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-SO |
| 包裝： | 帶卷 (TR) |
ADM1486
Rev. A | Page 6 of 16
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
RO
1
RE
2
DE
3
DI
4
VCC
8
B
7
A
6
GND
5
ADM1486
TOP VIEW
(Not to Scale)
02603-002
Figure 2. Pin Configuration
Table 4. Pin Function Descriptions
Pin No.
Mnemonic
Description
1
RO
Receiver Output. When enabled, if A > B by 200 mV, RO = high. If A < B by 200 mV, RO = low.
2
RE
Receiver Output Enable. A low level enables the receiver output, RO. A high level places it in a high impedance
state.
3
DE
Driver Output Enable. A high level enables the driver differential outputs, A and B. A low level places it in a high
impedance state.
4
DI
Driver Input. When the driver is enabled, a logic low on DI forces A low and B high, while a logic high on DI forces
A high and B low.
5
GND
Ground Connection, 0 V.
6
A
Noninverting Receiver Input A/Driver Output A.
7
B
Inverting Receiver Input B/Driver Output B.
8
VCC
Power Supply, 5 V ±5%.
Table 5. Transmitting
DE Input
DI Input
B Output
A Output
1
0
1
0
1
0
X
Z
Table 6. Receiving
RE
A–B Input
RO Output
0
≥ +0.2 V
1
0
≤ 0.2 V
0
Inputs open
1
X
Z
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