參數(shù)資料
型號(hào): ADM2490E
廠商: Analog Devices, Inc.
元件分類(lèi): RS-485
英文描述: High Speed, ESD-Protected, Full-Duplex, iCoupler, Isolated RS-485 Transceiver
中文描述: 高速,ESD保護(hù),全雙工,所以iCoupler,隔離型RS - 485收發(fā)器
文件頁(yè)數(shù): 8/16頁(yè)
文件大?。?/td> 470K
代理商: ADM2490E
ADM2490E
PIN CONFIGURATION AND FUNCTIONAL DESCRIPTIONS
Rev. 0 | Page 8 of 16
V
DD1
GND
1
RxD
1
2
3
NC
4
V
DD2
GND
2
A
16
15
14
B
13
GND
1
TxD
5
NC
12
6
Z
11
NC
7
Y
10
GND
1
8
GND
2
9
NC = NO CONNECT
ADM2490E
TOP VIEW
(Not to Scale)
0
Figure 2. ADM2490E Pin Configuration
Table 9. Pin Function Descriptions
Pin No.
Mnemonic
1
V
DD1
Description
Power Supply (logic side). Decoupling capacitor to GND
1
required; capacitor value should be between
0.01 μF and 0.1 μF.
Ground (logic side).
Receiver Output.
No Connect. These pins must be left floating.
Transmit Data.
Ground (bus side).
Power Supply (bus side). Decoupling capacitor to GND
2
required; capacitor value should be between
0.01 μF and 0.1 μF.
Driver Inverting Output.
Driver Noninverting Output.
Receiver Inverting Input.
Receiver Noninverting Input.
2, 5, 8
3
4, 7, 12
6
9, 15
16
GND
1
RxD
NC
TxD
GND
2
V
DD2
11
10
13
14
Z
Y
B
A
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