����������������������������������������������������������������� Maxim Integrated Products 4

MAX98307/MAX98308

3.3W Mono Class DG Multilevel Audio Amplifier

Note 4: Amplifier inputs AC-coupled to GND.

Note 5: Specified at room temperature with an 8I resistive load in series with a 68FH inductive load connected across the BTL

outputs. Mode transitions controlled by SHDN active-low shutdown control.

ELECTRICAL CHARACTERISTICS (continued)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Common-Mode Rejection Ratio

(MAX98308)

CMRR

65

dB

Output Power

THD+N = 1%

1.54

W

2

2.85

THD+N = 10%

1.77

W

2.3

3.3

Total Harmonic Distortion Plus

Noise

THD+N

0.05

%

Output Offset Voltage

±1

±5

mV

Click-and-Pop Level

Peak voltage,

A-weighted,

32 samples per

second (Notes 4, 5)

Into shutdown

-65

dBV

Out of shutdown

-65

Output Switching Frequency

340

kHz

Efficiency

η

THD+N = 0.02%

84

%

82

Current Limit

2

Output Noise

A-weighted

52

LOGIC INPUT (SHDN)

Input Voltage High

1.4

V

Input Voltage Low

0.4

V

Input Leakage Current

±10

µA