ALD1107 Advanced Linear Devices, ALD1107 Datasheet - Page 4

• Manufacturer Part Number: ALD1107
• Description: QUAD/DUAL P-CHANNEL MATCHED MOSFET ARRAY
• Manufacturer: Advanced Linear Devices

I
SET
ALD1107/ALD1117
Q
Q
Q
1
3
1
, Q
, Q
V + = +5V
1/2 ALD1106
or ALD1116
2
4
: N - Channel MOSFET
: P - Channel MOSFET
V
IN
R
SET
+
CURRENT SOURCE MIRROR
1/2 ALD1106
or ALD1116
DIFFERENTIAL AMPLIFIER
Q
Q
Q
1
3
3
, Q
, Q
2
4
: N - Channel MOSFET
: P - Channel MOSFET
Q
1
Q
PMOS PAIR
NMOS PAIR
3
V +
Q
2
Current
Source
Q
1/2 ALD1107
or ALD1117
V + = +5V
2
I
SOURCE
I
Q
SOURCE
4
1/2 ALD1107
or ALD1117
TYPICAL APPLICATIONS
= V + -Vt
= I
~
=
V
V
OUT
IN
SET
R
R
Q
-
SET
Advanced Linear Devices
4
SET
4
I
SET
Q
Digital Logic Control
of Current Source
SET
ON
V + = +5V
Q
CURRENT SOURCE WITH GATE CONTROL
SET,
R
OFF
CURRENT SOURCE MULTIPLICATION
SET
Q
1
..Q
N
Q
: ALD1106 or ALD1116
1
I
SET
N - Channel MOSFET
1/2 ALD1107
or ALD1117
Q
3
Q
2
R
Q
SET
1
Q
Q
Q
1
3,
1/4 ALD1106
or 1/2 ALD1116
3
V + = +5V
Q
4
: N - Channel MOSFET
: P - Channel MOSFET
I
SOURCE
Q
N
Q
4
I
SOURCE
= I
SET
4
x N