Datasheet

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I
OUT
V
PROGRAMMED
125Ω
I
OUT
V
PROGRAMMED
125Ω
GND
V
OUT
A Sense
V
OUT
A
AGND
V
SS
V
REF
L AB Sense
V
REF
L AB
V
REF
H AB
V
REF
H AB Sense
V
OUT
B Sense
V
OUT
B
48
47
46
45
44
43
42
41
40
39
DAC7634
+2.5V
OPA2350
80kΩ
20kΩ
1000pF
1000pF
2200pF
+V
+V
100Ω
100Ω
2200pF
DAC7634
SBAS134B – JULY 2004 – REVISED DECEMBER 2005
Figure 65. 4 mA to 20 mA Digitally Controlled Current Source (1/2 DAC7634)
26