10

FN6312.1

June 28, 2007

Pin Descriptions

ISL28286

(10 LD MSOP)

ISL28486

(16 LD QSOP) PIN NAME EQUIVALENT CIRCUIT

DESCRIPTION

1

3

IN+_A

Circuit 1

Amplifier A non-inverting input

2EN_A

Circuit 2

Amplifier A enable pin internal pull-down; Logic “1” selects the disabled

state; Logic “0” selects the enabled state.

3

13

V-

Circuit 4

Negative power supply

4EN_B

Circuit 2

Amplifier B enable pin with internal pull-down; Logic “1” selects the disabled

state; Logic “0” selects the enabled state.

5

5

IN+_B

Circuit 1

Amplifier B non-inverting input

6

6

IN-_B

Circuit 1

Amplifier B inverting input

7

7

OUT_B

Circuit 3

Amplifier B output

8

4

V+

Circuit 4

Positive power supply

9

1

OUT_A

Circuit 3

Amplifier A output

10

2

IN-_A

Circuit 1

Amplifier A inverting input

10

OUT_C

Circuit 3

Amplifier C output

11

IN-_C

Circuit 1

Amplifier C inverting input

12

IN+_C

Circuit 1

Amplifier C non-inverting input

14

IN+_D

Circuit 1

Amplifier D non-inverting input

15

IN-_D

Circuit 1

Amplifier D inverting input

16

OUT_D

Circuit 3

Amplifier D output

8, 9

NC

-

No internal connection

IN-

V+

V-

LOGIC

PIN

V+

V-

V+

V-

OUT

CIRCUIT 3

CIRCUIT 1

CIRCUIT 2

IN+

V+

V-

CAPACITIVELY

COUPLED

ESD CLAMP

CIRCUIT 4

ISL28286, ISL28486