ALD310708A/ALD310708, Vers. 1.5

Advanced Linear Devices, Inc.

6 of 9

TYPICAL APPLICATIONS

LOW VOLTAGE CURRENT SOURCE W/ GATE CONTROL

LOW VOLTAGE CURRENT SOURCE MIRROR

LOW VOLTAGE DIFFERENTIAL AMPLIFIER

0.5% PRECISION LOW VOLTAGE CURRENT SOURCE MULTIPLICATION

ISET

RSET

M3

V+

I SOURCE

M1, M2: N-Channel MOSFET

M3, M4: P-Channel MOSFET

M1

M2

V+ = +2.0V to +5.0V

M4

1/2 ALD1108xx,

1/2 ALD2108xx,

ALD1109xx or

ALD2129xx

1/2 ALD310708

ISOURCE = ISET

V+ - Vt

RSET

=

ON

OFF

Digital Logic Control

of Current Source

1/4 ALD1108xx,

1/4 ALD2108xx,

1/2 ALD1109xx or

1/2 ALD2129xx

: N-Channel MOSFET

1/2 ALD310708

V+ = +2.0V to +5.0V

PMOS PAIR

NMOS PAIR

Current

Source

V+ = +5.0V

1/2 ALD1108xx,

1/2 ALD2108xx,

ALD1109xx or

ALD2129xx

1/2 ALD310708

V+ = +2.0V to +5.0V

A

ALD1108xx or

ALD2108xx

V+ = +2.0V to +5.0V

A

ALD310708