Data Sheet

SSM3302

Rev. A | Page 7 of 20

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

Figure 2. Pin Configuration (Top Side View)

Table 4. Pin Function Descriptions

Pin No.

Mnemonic

Description

1

BOOTL+

Bootstrap Input/Output for Left Channel, Noninverting Output.

2, 3

OUTL+

Noninverting Output for Left Channel.

4, 5

OUTL−

Inverting Output for Left Channel.

6

BOOTL−

Bootstrap Input/Output for Left Channel, Inverting Output.

7

AGND

Analog Ground.

8

VREG/AVDD

5 V Regulator Output (if REGEN = high)/AVDD Input (if REGEN = low).

9

SDNL

Shutdown, Left Channel. Active low digital input.

10

EDGE

Edge Control (Low Emission Mode). Active high digital input.

11

INL+

Noninverting Input for Left Channel.

12

INL−

Inverting Input for Left Channel.

13, 18

NC

This pin is not connected internally (see Figure 2).

14, 15

TEST

Test Pins. Tie to AGND.

16

MONO

Mono Output Mode Enable.

17

THERM

Overtemperature Warning (Open Collector).

19

INR−

Inverting Input for Right Channel.

20

INR+

Noninverting Input for Right Channel.

21

GAIN

Gain Select from 9 dB to 24 dB.

22

SDNR

Shutdown, Right Channel. Active low digital input.

23

REGEN

5 V Regulator Enable, Active High.

24

AGND

Analog Ground.

25

BOOTR−

Bootstrap Input/Output for Right Channel, Inverting Output.

26, 27

OUTR−

Inverting Output for Right Channel.

28, 29

OUTR+

Noninverting Output for Right Channel.

30

BOOTR+

Bootstrap Input/Output for Right Channel, Noninverting Output.

31, 32, 33, 38, 39, 40

PGND

Power Stage Ground.

34, 35, 36, 37

PVDD

Power Stage Power Supply.

Exposed Pad

Thermal Exposed Pad. Use multiple vias to connect this pad to the ground plane.

1

BOOTL+

2

OUTL+

3

OUTL+

4

OUTL–

5

OUTL–

6

BOOTL–

7

AGND

8

VREG/AVDD

9

SDNL

10

EDGE

23 REGEN

24 AGND

25 BOOTR–

26 OUTR–

27 OUTR–

28 OUTR+

29 OUTR+

30 BOOTR+

22 SDNR

21 GAIN

SSM3302

TOP VIEW

(Not to Scale)

NOTES

1. USE MULTIPLE VIAS TO CONNECT THE EXPOSED PAD

TO THE GROUND PLANE.

2. PINS LABELED NC CAN BE ALLOWED TO FLOAT,

BUT IT IS BETTER TO CONNECT THESE PINS TO

GROUND. AVOID ROUTING HIGH SPEED SIGNALS

THROUGH THESE PINS BECAUSE NOISE COUPLING

MAY RESULT.