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2

Analog Technologies

AT8551/AT8552

Zero-Drift RRIO CMOS Operational Amplifier

An Analog in Silicon Valleys

PIN CONFIGURATIONS

PIN DESCRIPTION

Descriptions of the pins are listed in Table 2 (single op amps) and Table 3 (dual op amps).

Table 2: Pin Function Table for Single OP AMPS

AT8551

Symbol

Description

SOT23-5

1

OUT

Analog Output

3

+IN

Noninverting Input

4

−IN

Inverting Input

5

V+

Positive Power Supply

2

V−

Negative Power Supply

-

NC

No Internal Connection

Table 3: Pin Function Table for Dual OP AMPS

AT8552

Symbol

Description

MSOP-8

SOIC-8

1

1

OUT A

Analog Output (Op Amp A)

2

2

−IN A

Inverting Input (Op Amp A)

3

3

+IN A

Noninverting Input (Op Amp A)

4

4

V−

Negative Power Supply

5

5

+IN B

Noninverting Input (Op Amp B)

6

6

−IN B

Inverting Input (Op Amp B)

7

7

OUT B

Analog Output (Op Amp B)

8

8

V+

Positive Power Supply