Typical Applications (Continued)
Precision Current Monitor
00564631
•
•
•
VO = 5 R1/R2 (V/mA of IS)
R1, R2, R3: 0.1% resistors
Use LF155 for
j
j
j
j
Common-mode range to supply range
Low IB
Low VOS
Low Supply Current
8-Bit D/A Converter with Symmetrical Offset Binary Operation
00564632
±
•
•
R1, R2 should be matched within 0.05%
Full-scale response time: 3µs
EO
B1 B2 B3 B4 B5 B6 B7 B8
Comments
Positive Full-Scale
(+) Zero-Scale
+9.920
+0.040
−0.040
−9.920
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
(−) Zero-Scale
Negative Full-Scale
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