Test Circuits
V
I
and I
1
apply to inputs A1– A8
The resistor tied to pin 15 is to temperature compensate the
bias current and may not be necessary for all applications
I
O
e
K
V
REF
where K
j
R14
and A
N
e
‘‘1’’ if A
N
is at high level
A
N
e
‘‘0’’ if A
N
is at low level
A1
A2
A3 A4
A5
A6
A7
A8
a
a
a
a
a
a
a
2
4
8
16
32
64
128
256
J
TL H 5687–6
FIGURE 3 Notation Definitions Test Circuit (Note 7)
TL H 5687 – 7
FIGURE 4 Relative Accuracy Test Circuit (Note 7)
TL H 5687 – 8
FIGURE 5 Transient Response and Settling Time (Note 7)
6