SSM2018 datasheet(5/16 Pages) AD

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Data Sheet

SSM2018

Rev. C | Page 5 of 16

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

Figure 3.

Table 4. Pin Function Descriptions

Pin No.

Name

Description

+I1−G

Positive Current Feedback Input for V1-G.

V+

Positive Power Supply. Connect this pin directly to the positive power rail.

−IG

Negative Current Feedback Input for VG.

−I1−G

Negative Current Feedback Input for V1-G.

COMP1

Compensation Pin. Apply a capacitor to the COMPx pins according to the Compensating

the SSM2018 section.

+IN

Non-Inverting Current Input.

−IN

Inverting Current Input.

COMP2

Compensation Pin. Apply a capacitor to the COMPx pins according to the Compensating

the SSM2018 section.

COMP3

Compensation Pin. Apply a capacitor to the COMPx pins according to the Compensating

the SSM2018section.

V−

Negative Power Supply. Connect this pin directly to negative power rail.

Control Voltage Input Port. Apply voltage to control VCA according to the Control Section.

MODE

Operating Mode Pin. Selects Class A or Class AB operation as described in the Proper

Operating Mode for the SSM2018 section.

GND

Ground.

Output Voltage at Gain of G.

BAL

Symmetry Trim Input for Older Version. Do not connect for SSM2108T operation.

V1−G

Output Voltage at Gain of 1-G.

+I1–G 1

V+

–IG 3

–I1–G 4

V1–G

BAL

GND

COMP 1

+IN

–IN

MODE

V–

COMP 2

COMP 3

SSM2018

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