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71M6531D_10 参数 Datasheet PDF下载

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型号: 71M6531D_10
PDF下载: 下载PDF文件 查看货源
内容描述: 电能计量IC [Energy Meter IC]
分类和应用:
文件页数/大小: 120 页 / 1966 K
品牌: TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
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FDS 6531/6532 005  
Data Sheet 71M6531D/F-71M6532D/F  
5.4.13 Temperature Sensor  
Table 82 shows the performance for the temperature sensor. The LSB values do not include the 8-bit left  
shift at CE input.  
Table 82: Temperature Sensor Performance Specifications  
Parameter  
Condition  
Min  
Typ  
Max  
Unit  
Nominal relationship: N(T) = Sn*(T-Tn) + Nn, Tn = 25ºC  
FIR_LEN[1:0]=0  
(L=138)  
FIR_LEN[1:0]=1  
(L=288)  
FIR_LEN[1:0]=2  
(L=384)  
Nominal Sensi-  
tivity (Sn)4  
-106  
-964  
-2286  
[M40MHZ, M26MH] =  
[00], [10], or [11]  
3
L
S = −0.00109⋅  
n
3
LSB/ºC  
FIR_LEN[1:0]=0  
(L=186)  
-260  
-2286  
-8207  
[M40MHZ, M26MHZ] = FIR_LEN[1:0]=1  
[01]  
(L=384)  
FIR_LEN[1:0]=2  
(L=588)  
FIR_LEN[1:0]=0  
(L=138)  
[M40MHZ, M26MHZ] = FIR_LEN[1:0]=1  
NominalOffset  
(Nn) 4  
49447  
449446  
1065353  
3
L
   
[00], [10], or [11]  
(L=288)  
FIR_LEN[1:0]=2  
(L=384)  
N = 0.508⋅  
   
n
3
   
LSB  
FIR_LEN[1:0]=0  
(L=186)  
121071  
1065353  
3825004  
[M40MHZ, M26MHZ] = FIR_LEN[1:0]=1  
[01]  
(L=384)  
FIR_LEN[1:0]=2  
(L=588)  
Temperature Error 1  
Tn = 25°C,  
T = -40ºC to +85ºC  
(N(T) Nn )  
-10  
10  
ºC  
ERR = T −  
Sn  
Nn is measured at Tn during meter calibration and is stored in MPU or CE for use in temperature calcula-  
tions.  
5.4.14 VREF  
Table 83 shows the performance specifications for VREF. Unless otherwise specified, VREF_DIS = 0.  
Table 83: VREF Performance Specifications  
Parameter  
Condition  
Ta = 22ºC  
Min  
Typ  
Max  
1.197  
40  
Unit  
V
VREF output voltage, VREF(22)  
VREF chop step  
1.193  
1.195  
mV  
VREF power supply sensitivity  
V3P3A = 3.0 to 3.6 V  
-1.5  
100  
1.5  
mV/V  
ΔVREF / ΔV3P3A  
VREF_DIS = 1,  
VREF = 1.3 to 1.7 V  
VREF input impedance  
VREF output impedance  
VNOM definitiona  
kΩ  
CAL =1,  
ILOAD = 10 µA, -10 µA  
VNOM (T) = VREF(22) + (T 22)TC1106 + (T 22)2 TC2106  
2.5  
kΩ  
V
v1.3  
© 2005-2010 TERIDIAN Semiconductor Corporation  
103  
 
 
 
 
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