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SMM151 参数 Datasheet PDF下载

SMM151图片预览
型号: SMM151
PDF下载: 下载PDF文件 查看货源
内容描述: 单通道电压/电流监测和电压Marginers [Single-channel Voltage/Current Monitors and Voltage Marginers]
分类和应用:
文件页数/大小: 23 页 / 392 K
品牌: SUMMIT [ SUMMIT MICROELECTRONICS, INC. ]
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SMM151/152  
Preliminary Datasheet  
DC OPERATING CHARACTERISTICS (CONTINUED)  
TA= 0°C to +70°C, VDD = 2.7V to 5.5V unless otherwise noted. All voltages are relative to GND.  
Symbol  
Parameter  
Notes  
Min.  
Typ.  
Max  
Unit  
VDD = 2.7V  
-3.0  
-3.0  
0
+3.0  
+3.0  
VDD  
µA  
Address Input Tristate  
IAIT  
Maximum Leakage – High Z  
VDD = 5.0V  
OV/UV  
VHYST  
Monitor Voltage Range  
COMP1/2 DC Hysteresis  
Input Pull-Up Resistors  
COMP1 and COMP2 pins  
V
COMP1 and COMP2 pins,  
10  
mV  
kΩ  
VTH-VTL (see Note 1)  
RPull-Up  
See Pin Descriptions  
VREF=1.25V  
50  
1.24  
0.495  
-1.0  
1.25  
1.26  
0.505  
+1.0  
+1.0  
VREF  
Internal COMP1/2 Reference  
V
VREF=0.5V  
0.500  
±0.75  
±0.75  
VM+ - VM- = 1.2V Note 4  
VM+ - VM- = 2.5V, Note 4  
%
%
MARGACC  
Margin Accuracy  
-1.0  
Voltage Monitor ADC  
Measure Range  
VM+, VM- Input Resistance  
Voltage Sense Common  
Mode Rejection Ratio  
Current Monitor ADC  
Measure Range  
VMADC  
RVM  
VM+ - VM-  
0
VDD  
V
50  
62  
kΩ  
dB  
CMRRVM  
VCM (VM+, VM-) = 0.5V – VDD, Note 5  
CS+ - CS-  
CSADC  
CSACC  
0
100  
mV  
-2  
-1  
+2  
+1  
%
CSADC 50mV, Note 2  
Current Sense Accuracy  
CSADC < 50mV, Note 2  
mV  
VCM (CS+, CS-) = 5.0V, Note 5  
100  
80  
Current Sense Common  
Mode Rejection Ratio  
CMRRCS  
dB  
VCM (CS+, CS-) = 12V, Note 5  
Note 1: VHYST is measured with a 1.25V external voltage and is determined by subtracting Threshold Low from Threshold High, VTH-VTL while  
monitoring the FAULT# pin state. Actual DC Hysteresis is derived from the equation: (VIN(COMP1/2)/VREF)(VHYST). For example, if VIN(COMP1/2)/=2.5V  
and VREF=1.25V then Actual DC Hysteresis= (2.5V/1.25V)(0.003V)=6mV.  
Note 2: Accuracy at the low range of the current monitor ADC will be adversely impacted by offset errors.  
Note 3: It is recommended that ADC reads occur with a frequency of not more than 250Hz.  
Note 4: Voltage accuracy is only guaranteed for factory-programmed settings. Changing voltage from the value reflected in the customer specific  
CSIR code may result in inaccuracies exceeding those specified above.  
Note 5: Guaranteed by Design  
Summit Microelectronics, Inc  
2131 2.178/15/2008