AD7751
0.20
+25؇C PF=1
0.10
0.00
+85؇C PF=0.5
–0.10
–0.20
–0.30
+25؇C PF=0.5
–0.40
–0.50 PF = 0.5
GAIN = 8
–0.60 ON-CHIP REFERENCE
0.01
0.1
1
AMPS
–40؇C PF=0.5
10
100
TPC 7. Error as a % of Reading (PF = 0.5, Gain = 8)
0.30
PF = 1
GAIN = 8
0.20 EXTERNAL REFERENCE
0.10
0.00
–0.10
+85؇C
+25؇C
–0.20
–0.30
–40؇C
–0.40
0.01
0.1
1
10
100
AMPS
TPC 10. Error as a % of Reading Over Temperature With
an External Reference (Gain = 8)
0.60
PF = 0.5
GAIN = 16
0.40 ON-CHIP REFERENCE
+85؇C PF = 0.5
0.20
0.00
+25؇C PF = 1
–0.20
+25؇C PF = 0.5
–0.40
–0.60
–0.80
–40؇C PF = 0.5
–1.00
0.01
0.1
1
10
100
AMPS
TPC 8. Error as a % of Reading (PF = 0.5, Gain = 16)
0.20
PF = 1
0.15 GAIN = 2
EXTERNAL REFERENCE
0.10
+85؇C
0.05
0.00
–0.05
–0.10
+25؇C
–0.15
–0.20
–40؇C
–0.25
–0.30
0.01
0.1
1
10
100
AMPS
TPC 9. Error as a % of Reading Over Temperature With
an External Reference (Gain = 2)
0.60
PF = 1
GAIN = 16
0.40 EXTERNAL REFERENCE
0.20
0.00
+85؇C PF = 0.5
+25؇C PF = 1
–0.20
–0.40
–0.60
–40؇C PF = 1
–0.80
0.01
0.1
1
10
100
AMPS
TPC 11. Error as a % of Reading Over Temperature With
an External Reference (Gain = 16)
–8–
REV. A