3
AN1188.2
October 4, 2006
ISL45042EVAL1Z Block Diagram
ISL45042
SET
CE
CTL
VDD
RANGE: 2.6 - 3.6V
VDD
GND
AVDD
OUT
NC
AVDD
RANGE: 5 - 15V
X
-
+
-
+
0
Ω
EL5220
R1
R2
R
SET
V
OUT
I
OUT
FIGURE 2. SIMPLIFIED APPLICATION SCHEMATIC
AMPLIFIER
NOT USED
CH A
CH B
200k
Ω
243k
Ω
24.9k
Ω
TABLE 1.
SETTING
(INTEGER BETWEEN 1 AND 128)
V
OUT
1
5.468
12
5.2788
23
5.0894
34
4.9001
45
4.7108
56
4.5215
67
4.3322
78
4.1429
89
3.9535
100
3.7642
111
3.5749
122
3.3856
128
3.2823
Application Note 1188
