VDD1 1 GND<" />
參數資料
型號: ADM2490EBRWZ-REEL7
廠商: Analog Devices Inc
文件頁數: 14/16頁
文件大?。?/td> 0K
描述: IC TXRX RS-485 HS ESD 16-SOIC
產品培訓模塊: iCoupler Digital Isolater Technology
標準包裝: 400
系列: iCoupler®
類型: 收發(fā)器,隔離式
驅動器/接收器數: 1/1
規(guī)程: RS422/RS485
電源電壓: 3V,5V
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.295",7.50mm 寬)
供應商設備封裝: 16-SOIC
包裝: 帶卷 (TR)
ADM2490E
Rev. A | Page 7 of 16
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
VDD1 1
GND1 2
RxD 3
NC 4
VDD2
16
GND2
15
A
14
B
13
GND1 5
NC
12
TxD 6
Z
11
NC 7
Y
10
GND1 8
GND2
9
NC = NO CONNECT
ADM2490E
TOP VIEW
(Not to Scale)
05
88
9-
0
02
Figure 2. Pin Configuration
Table 9. Pin Function Descriptions
Pin No.
Mnemonic
Description
1
VDD1
Power Supply (Logic Side). Decoupling capacitor to GND1 required; capacitor value should be between
0.01 μF and 0.1 μF.
2, 5, 8
GND1
Ground (Logic Side).
3
RxD
Receiver Output.
4, 7, 12
NC
No Connect. These pins must be left floating.
6
TxD
Transmit Data.
9, 15
GND2
Ground (Bus Side).
10
Y
Driver Noninverting Output.
11
Z
Driver Inverting Output.
13
B
Receiver Inverting Input.
14
A
Receiver Noninverting Input.
16
VDD2
Power Supply (Bus Side). Decoupling capacitor to GND2 required; capacitor value should be between
0.01 μF and 0.1 μF.
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