Datasheet

_______________________________________________________________________________________ 3
MAX98306
Stereo 3.7W Class D Amplifier
ELECTRICAL CHARACTERISTICS (continued)
(V
PVDD
= V
SHDN
= 3.7V, V
PGND
= 0V, A
V
= 12dB (GAIN = PVDD), R
L
= J, R
L
connected between OUT_+ to OUT_-, 20Hz to 22kHz
AC measurement bandwidth, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25NC.) (Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Click-and-Pop Level K
CP
Peak voltage, T
A
= +25NC
A-weighted, 32 samples
per second (Notes 3, 4)
Into shutdown -79
dBV
Out of shutdown -73
Power-Supply Rejection Ratio PSRR
T
A
= +25NC
(Note 3)
V
PVDD
= 2.6V to 5.5V,
T
A
= +25NC
70 95
dB
f = 217Hz, 200mV
P-P
ripple
83
f = 1kHz, 200mV
P-P
ripple
83
f = 10kHz, 200mV
P-P
ripple
77
Output Power P
OUT
THD+N = 10%
Z
SPK
= 3I + 22FH,
V
PVDD
= 5.0V
3.7
W
Z
SPK
= 4I + 33FH,
V
PVDD
= 5.0V
3
Z
SPK
= 8I + 68FH,
V
PVDD
= 5.0V
1.7
Z
SPK
= 8I + 68FH,
V
PVDD
= 3.7V
0.9
THD+N = 1%
Z
SPK
= 3I + 22FH,
V
PVDD
= 5.0V
2.9
Z
SPK
= 4I + 33FH,
V
PVDD
= 5.0V
2.4
Z
SPK
= 8I +68FH
V
PVDD
= 5.0V
1.4
Z
SPK
= 8I +68FH
V
PVDD
= 3.7V
0.75
Total Harmonic Distortion Plus
Noise
THD+N
f
IN
= 1kHz
T
A
= +25NC
Z
SPK
= 3I +22FH,
P
OUT
= 1.6W,
P
VDD
= 5.0V
0.05
%
Z
SPK
= 4I +33FH,
P
OUT
= 650mW,
P
VDD
= 3.7V
0.05 0.75
Z
SPK
= 4I +33FH,
P
OUT
= 1.3W,
V
PVDD
= 5.0V
0.04
Z
SPK
= 8I +68FH,
P
OUT
= 725mW,
P
VDD
= 5.0V
0.03
Output Noise A-weighted (Note 3) 29 FV
RMS