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ADE7755
典型性能特性
0.5
0.4
0.3
0.2
–40°C
0.5
0.4
0.3
0.2
+25°C
–40°C
误差( % )
误差( % )
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0.01
0.1
0
–0.1
–0.2
PF = 1
增益= 16
片内基准
+25°C
+85°C
+85°C
PF = 1
增益= 1
片内基准
02896-004
–0.3
–0.4
100
0.1
1
10
满量程电流( % )
0.1
1
10
满量程电流( % )
100
图4.错误的读数的百分比(增益= 1 )
0.5
0.4
0.3
0.2
–40°C
图7.误差为读数的百分比(增益= 16 )
0.6
0.4
-40°C PF = 0.5
0.2
PF = 0.5
增益= 1
片内基准
误差( % )
误差( % )
0.1
+25°C
0
–0.1
–0.2
–0.3
–0.4
–0.5
0.01
PF = 1
GAIN = 2
片内基准
02896-005
+ 25°C PF = 1
0
+ 25°C PF = 0.5
–0.2
+ 85°C PF = 0.5
–0.4
+85°C
0.1
1
10
满量程电流( % )
100
0.1
1
10
满量程电流( % )
100
图5.错误的读数的百分比(增益= 2 )
0.6
0.5
0.4
0.3
–40°C
0.4
0.6
图8.错误的读数的百分比(增益= 1 )
PF = 0.5
GAIN = 2
片内基准
-40°C PF = 0.5
误差( % )
误差( % )
0.2
0.1
PF = 1
增益= 8
片内基准
+25°C
0.2
+ 25°C PF = 1
0
+ 25°C PF = 0.5
0
–0.1
–0.2
–0.3
02896-006
–0.2
+85°C
–0.4
+ 85°C PF = 0.5
0.1
1
10
满量程电流( % )
100
0.1
1
10
满量程电流( % )
100
图6.错误的读数的百分比(增益= 8 )
图9.错误的读数的百分比(增益= 2 )
版本A |第8页20
02896-009
–0.4
0.01
–0.6
0.01
02896-008
–0.6
0.01
02896-007
–0.5
0.01