Data Sheet

SSM3302

Rev. A | Page 5 of 20

Parameter

Symbol

Test Conditions/Comments

Min

Typ

Max

Unit

5.85

mA

5.8

mA

5.6

mA

Shutdown Current

SD = AGND

10

µA

ANALOG SUPPLY

External Supply Voltage

AVDD

4.5

5.5

V

On-Board Regulator

5

V

Regulator Current

20

mA

Regulator Power Supply

Rejection

70

dB

GAIN CONTROL

Closed-Loop Voltage Gain

See Table 5 for gain options

9

24

dB

Input Impedance

40

kΩ

SHUTDOWN CONTROL

Input Voltage High

1.35

V

Input Voltage Low

0.35

V

Turn-On Time

SD rising edge from AGND to AVDD

40

ms

Turn-Off Time

SD falling edge from AVDD to AGND

500

µs

Output Impedance

SD = GND

56

kΩ

AMPLIFIER PROTECTION

Overcurrent Threshold

6

A

Overtemperature

Warning

120

°C

Overtemperature

Shutdown

145

°C

Recovery Temperature

85

°C

NOISE PERFORMANCE

Output Voltage Noise

PVDD = 12 V, f = 20 Hz to 20 kHz, inputs are ac grounded,

gain = 9 dB, A-weighted

100

µV rms

Signal-to-Noise Ratio

SNR

98

dB

1

Although the SSM3302 has good audio quality above 2 × 10 W into 4 Ω, continuous output power beyond 2 × 10 W into 4 Ω must be avoided due to device packaging

limitations.

2

Mono mode. Output power beyond 20 W needs special care for thermally considered printed circuit board (PCB) design.