TYPICAL APPLICATIONS
BASIC CURRENT SOURCES
N- CHANNEL CURRENT SOURCE
P- CHANNEL CURRENT SOURCE
+
V
= +5V
+
V
= +5V
1/2 ALD1107
or ALD1117
I
R
SET
SET
I
SOURCE
Q
8
7
6
3
Q
Q
4
5
7
3
2
8
6
Q
3
2
1
5
2
1
I
SOURCE
I
R
SET
SET
1/2 ALD1106
or ALD1116
+
+
4
V
- Vt
V
- 1.0
SET
~
=
~
=
I
= I
=
SOURCE
SET
R
SET
R
SET
R
Q , Q : P - Channel MOSFET
Q
Q
: N - Channel MOSFET
2
3
4
1,
CASCODE CURRENT SOURCES
+
V = +5V
+
V
= +5V
ALD1107
I
R
SET
SET
I
SOURCE
Q
2
Q
1
Q
4
Q
3
Q
3
Q
I
4
Q
2
Q
1
I
R
SET
SOURCE
SET
ALD1106
+
V
- 2Vt
SET
3
~
=
I
= I
=
SET
SOURCE
R
R
SET
Q1, Q2, Q3, Q4: P - Channel MOSFET
(ALD1102 or ALD1103)
Q , Q , Q , Q : N - Channel MOSFET
1
2
3
4
(ALD1101 or ALD1103)
ALD1107/ALD1117
Advanced Linear Devices
5
ALD [ ADVANCED LINEAR DEVICES ]
