ald1103db Advanced Linear Devices Inc (ALD), ald1103db Datasheet - Page 5

• Manufacturer Part Number: ald1103db
• Description: Dual N-channel And Dual P-channel Matched Mosfet Pair
• Manufacturer: Advanced Linear Devices Inc (ALD)

I
ALD1103
SET
Q
Q
Q
1
3
1
, Q
, Q
V + = +5V
2
4
ALD1103
: N - Channel MOSFET
: P - Channel MOSFET
V
R
IN
SET
+
CURRENT SOURCE MIRROR
ALD1103
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
V + = +5V
2
I
SOURCE
I
Q
SOURCE
4
= I
= V + -Vt
=
~
V
V
OUT
IN
SET
R
R
Advanced Linear Devices
Q
-
SET
4
SET
4
I
SET
Q
SET
Digital Logic Control
of Current Source
V + = +5V
Q
ON
CURRENT SOURCE WITH GATE CONTROL
SET,
R
SET
CURRENT SOURCE MULTIPLICATION
OFF
Q
1
..Q
N
Q
: ALD 1101 or ALD 1103
1
N - Channel MOSFET
I
SET
1/2 ALD1103
Q
Q
3
2
R
Q
SET
1
Q
Q
Q
3
1
3,
V + = +5V
1/4 ALD1103
Q
4
: N - Channel MOSFET
: P - Channel MOSFET
I
SOURCE
Q
N
Q
4
I
SOURCE
= I
SET
5
x N