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LTC6820 参数 Datasheet PDF下载

LTC6820图片预览
型号: LTC6820
PDF下载: 下载PDF文件 查看货源
内容描述: isoSPI隔离通信接口非常低的EMI敏感度和辐射 [isoSPI Isolated Communications Interface Very Low EMI Susceptibility and Emissions]
分类和应用: 通信
文件页数/大小: 28 页 / 470 K
品牌: Linear [ Linear ]
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LTC6820  
Typical perForMance characTerisTics VDD = VDDS, unless otherwise noted.  
Comparator Threshold Gain  
vs ICMP Voltage  
Comparator Threshold Gain  
vs Common Mode  
Comparator Threshold Gain  
vs Temperature  
0.56  
0.54  
0.52  
0.50  
0.48  
0.46  
0.44  
0.56  
0.54  
0.52  
0.50  
0.48  
0.46  
0.44  
0.56  
0.54  
0.52  
0.50  
0.48  
0.46  
0.44  
V
= 3V  
3 PARTS  
DD  
3 PARTS  
V
= 1V  
V
= 1V  
ICMP  
ICMP  
DD  
V
= 3V  
V
= 5V  
DD  
V
= 0.2V  
= 3V  
ICMP  
DD  
V
= 0.2V  
= 5V  
ICMP  
DD  
V
V
V
DD  
V
DD  
= 3V  
= 5V  
V
ICMP  
V
ICMP  
= 1V  
= 0.2V  
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5  
COMMON MODE VOLTAGE (V)  
25  
50  
125  
–50 –25  
0
75 100  
0.8  
ICMP VOLTAGE (V)  
0
0.2 0.4 0.6  
1.0 1.2 1.4 1.6  
TEMPERATURE (°C)  
6820 G17  
6820 G18  
6820 G16  
Wake-Up Pulse Amplitude  
vs Dwell Time  
Start-Up Time  
300  
250  
200  
150  
100  
50  
V
= 3V  
DD  
CS  
GUARANTEED  
WAKE-UP REGION  
3.6µs  
5V/DIV  
IBIAS  
2V/DIV  
IP-IM  
1V/DIV  
6820 G06  
V
= 5V  
1µs/DIV  
DDS  
MSTR = 1  
= 2k  
150  
300  
WAKE-UP DWELL TIME, t  
450  
0
600  
R
BIAS  
(ns)  
DWELL  
6820 G20  
SPI Signal and isoSPI Pulses, MSTR = 1  
SPI Signal and isoSPI Pulses, MSTR = 0  
IP-IM  
2V/DIV  
CS  
5V/DIV  
CS  
5V/DIV  
SCK  
5V/DIV  
MOSI  
5V/DIV  
SCK  
5V/DIV  
MOSI  
5V/DIV  
MIS0  
5V/DIV  
MIS0  
5V/DIV  
IP-IM  
2V/DIV  
6820 G22  
6820 G21  
V
V
= 5V  
DDS  
1.2µs/DIV  
V
V
= 5V  
DDS  
1.2µs/DIV  
DD  
DD  
= 5V  
= 3.3V  
PHA = 0  
POL = 0  
PHA = 1  
POL = 1  
6820f  
7
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