Typical Performance Characteristics– AD7755
0.5
0.4
0.3
0.2
% ERROR
0.5
–40 C
0.4
0.3
0.2
PF = 1
GAIN = 16
ON-CHIP REFERENCE
–40 C
+25 C
% ERROR
0.1
0.0
–0.1
–0.2
–0.3
–0.4
–0.5
0.01
0.1
0.0
–0.1
–0.2
+25 C
+85 C
+85 C
PF = 1
GAIN = 1
ON-CHIP REFERENCE
0.1
1
Amps
10
100
–0.3
–0.4
–0.5
0.01
0.1
1
Amps
10
100
Figure 2. Error as a % of Reading (Gain = 1)
Figure 5. Error as a % of Reading (Gain = 16)
0.5
0.4
0.3
0.2
% ERROR
0.6
–40 C
0.4
–40 C PF = 0.5
0.2
% ERROR
PF = 0.5
GAIN = 1
ON-CHIP REFERENCE
0.1
+25 C
0.0
–0.1
–0.2
–0.3
–0.4
–0.5
0.01
PF = 1
GAIN = 2
ON-CHIP REFERENCE
0.1
1
Amps
10
100
+85 C
+25 C PF = 1
0.0
+25 C PF = 0.5
–0.2
+85 C PF = 0.5
–0.4
–0.6
0.01
0.1
1
Amps
10
100
Figure 3. Error as a % of Reading (Gain = 2)
Figure 6. Error as a % of Reading (Gain = 1)
0.6
0.5
0.4
0.3
–40 C
0.6
0.4
–40 C PF = 0.5
0.2
% ERROR
PF = 0.5
GAIN = 2
ON-CHIP REFERENCE
% ERROR
0.2
0.1
PF = 1
GAIN = 8
ON-CHIP REFERENCE
+25 C
+25 C PF = 1
0.0
+25 C PF = 0.5
–0.2
0.0
–0.1
–0.2
–0.3
–0.4
0.01
0.1
1
Amps
10
100
+85 C
–0.4
+85 C PF = 0.5
–0.6
0.01
0.1
1
Amps
10
100
Figure 4. Error as a % of Reading (Gain = 8)
Figure 7. Error as a % of Reading (Gain = 2)
REV. B
–7–
AD [ ANALOG DEVICES ]
