Single/Dual/Quad, Wide-Bandwidth, Low-Power,

Single-Supply, Rail-to-Rail I/O Op Amps

8

_______________________________________________________________________________________

______________________________________________________________Pin Description

Inverting Inputs for amps 1 and 2

IN1-, IN2-

—

Noninverting Inputs for amps 1 and 2

IN1+, IN2+

—

Shutdown Control, independent for amps 1

and 2. Tie high or leave floating to enable

amplifier.

SHDN1,

SHDN2

—

Outputs for amps 3 and 4

OUT3,

OUT4

—

Inverting Inputs for amps 3 and 4

IN3-, IN4-

—

Positive Supply

5

No Connect. Not internally connected.

N.C.

—

Shutdown Control. Tie high or leave floating

to enable amplifier.

SHDN

—

Outputs for amps 1 and 2

OUT1,

OUT2

—

Inverting Input

IN-

4

Noninverting Input

IN+

3

MAX4130

Negative Supply. Ground for single-supply

operation.

2

Output

OUT

1

FUNCTION

NAME

—

—

—

—

—

7

1, 5

8

—

2

3

MAX4131

4

6

2, 6

3, 5

—

—

—

8

—

—

1, 7

—

—

MAX4132

4

—

2, 12

3, 11

6, 9

—

—

14

5, 7, 8, 10

—

1, 13

—

—

MAX4133

4

—

2, 6

3, 5

—

8, 14

9, 13

4

—

—

1, 7

—

—

MAX4134

11

—

Noninverting Inputs for amps 3 and 4

IN3+, IN4+

—

—

—

—

10, 12

R3

R3 = R1

R2

R1

R2

MAX4130

MAX4131

MAX4132

MAX4133

MAX4134

Figure 1a. Reducing Offset Error Due to Bias Current

(Noninverting)

R3

R3 = R1

R2

R1

R2

MAX4130

MAX4131

MAX4132

MAX4133

MAX4134

Figure 1b. Reducing Offset Error Due to Bias Current

(Inverting)