ald1105db Advanced Linear Devices Inc (ALD), ald1105db Datasheet - Page 5

• Manufacturer Part Number: ald1105db
• Description: Dual N-channel And Dual P-channel Matched Pair Mosfet
• Manufacturer: Advanced Linear Devices Inc (ALD)

ALD1105
I
SET
Q
Q
Q
1
3
V
1
V + = +5V
, Q
, Q
IN
2
4
+
: N - Channel MOSFET
: P - Channel MOSFET
R
SET
CURRENT SOURCE MIRROR
ALD1105
Q
Q
DIFFERENTIAL AMPLIFIER
Q
1
3
3
, Q
, Q
2
4
: N - Channel MOSFET
: P - Channel MOSFET
Q
1
PMOS PAIR
NMOS PAIR
Q
3
V +
Current
Source
Q
Q
2
2
V + = +5V
Q
I
4
SOURCE
I
SOURCE
TYPICAL APPLICATIONS
V
V
OUT
IN
Advanced Linear Devices
-
= V + -Vt
= I
~
=
SET
R
R
Q
SET
4
SET
4
I
SET
Q
SET
Digital Logic Control
of Current Source
V + = +5V
Q
ON
SET,
R
CURRENT SOURCE WITH GATE CONTROL
SET
OFF
CURRENT SOURCE MULTIPLICATION
Q
1
..Q
N
Q
: ALD 1106 or ALD 1105
1
N - Channel MOSFET
I
SET
Q
Q
3
2
R
Q
SET
1
Q
Q
Q
3
1
3,
V + = +5V
Q
4
: N - Channel MOSFET
: P - Channel MOSFET
I
SOURCE
Q
N
Q
4
I
SOURCE
= I
SET
5
x N