參數(shù)資料
型號(hào)： AMIS49587GEVK
廠商： ON Semiconductor
文件頁(yè)數(shù)： 54/55頁(yè)
文件大小： 0K
描述： KIT EVALUATION AMIS49587
標(biāo)準(zhǔn)包裝： 1
主要目的： 接口，電源線路收發(fā)器
嵌入式： 否
已用 IC / 零件： AMIS49587
已供物品： 2 個(gè)板，線纜，CD，文檔
其它名稱： AMIS49587GEVKOS
AMIS49587
http://onsemi.com
8
Figure 4. Recommended Layout of the Placement of Decoupling Capacitors for PLCC28
8
9
10
7
6
5
12 13 14
17 18
22
21
20
19
23
24
25
3 2
27 26
VSSA
VDDA
28
1
16
15
4
REF_OUT
C
CDA
CDD
GROUND
3,3V SUPPLY
VDD
VSS
11
DREF
RX_OUT
RX_OUT is the output analog pin of the receiver low noise input opamp. This opamp is in a negative feedback configuration.
RX_IN
RX_IN is the positive analog input pin of the receiver low noise input opamp. Together with RX_OUT and REF_OUT, an
active high pass filter is realized. This filter removes the main frequency (50 or 60 Hz) from the received signal. The filter
characteristics are determined by external capacitors and resistors. A typical application schematic can be found in paragraph
50/60 Hz suppression filter.
M50Hz_IN
M50HZ_IN is the mains frequency analog input pin. The signal is used to detect the zero crossing of the 50 or 60 Hz sine wave.
This information is used, after filtering with the internal PLL, to synchronize frames with the mains frequency. In case of direct
connection to the mains it is advised to use a series resistor of 1 M
W in combination with two external clamp diodes in order
to limit the current flowing through the internal protection diodes.
RX_DATA
RX_DATA is a 5 V compliant open drain output. An external pullup resistor defines the logic high level as illustrated in
Figure 5. A typical value for the pullup resistance “R” is 10 k
W. The signal on this output depends on the status of the data
reception. If AMIS49587 waits for configuration RX_DATA outputs a pulse train with a 10 Hz frequency. After
Synchronization Confirm Time out RX_DATA = 0. If AMIS49587 is searching for synchronization RX_DATA = 1.
VSSD
+5V
Output
R
Figure 5. Representation of 5V Safe Output
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