Datasheet

MAX98357A/MAX98357B
PCM Input Class D Audio Power Amplifiers
13Maxim Integrated
Typical Operating Characteristics (continued)
(V
DD
= 5V, V
GND
= 0V, GAIN_SLOT = GND (+12dB). BCLK = 3.072MHz, LRCLK = 48kHz, speaker loads (Z
SPK
) connected between
OUTP and OUTN, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25NC.)
-140
-120
-100
-80
-60
-40
-20
0
20
0 5000 10000 15000 20000
AMPLITUDE (dBV)
FREQUENCY (Hz)
INBAND OUTPUT SPECTRUM
f
BCLK
= 1.024MHz
f
LRCLK
= 16kHz
Z
SPK
= 8μ + 68μ H
toc34
-140
-120
-100
-80
-60
-40
-20
0
20
0 5000 10000 15000 20000
AMPLITUDE (dBV)
FREQUENCY (Hz)
INBAND OUTPUT SPECTRUM
f
BCLK
= 1.024MHz
f
LRCLK
= 16kHz
Z
SPK
= 8μ + 68μ H
toc35
-140
-120
-100
-80
-60
-40
-20
0
20
0 5000 10000 15000 20000
AMPLITUDE (dBV)
FREQUENCY (Hz)
INBAND OUTPUT SPECTRUM
f
BCLK
= 1.024MHz
f
LRCLK
= 16kHz
Z
SPK
= 8μ + 68μ H
toc36
-140
-120
-100
-80
-60
-40
-20
0
20
0 5000 10000 15000 20000
AMPLITUDE (dBV)
FREQUENCY (Hz)
INBAND OUTPUT SPECTRUM
f
BCLK
= 2.048MHz
f
LRCLK
= 32kHz
Z
SPK
= 8μ + 68μ H
toc37
-140
-120
-100
-80
-60
-40
-20
0
20
0 5000 10000 15000 20000
AMPLITUDE (dBV)
FREQUENCY (Hz)
INBAND OUTPUT SPECTRUM
f
BCLK
= 2.8224MHz
f
LRCLK
= 44.1kHz
Z
SPK
= 8μ + 68μ H
toc40
-140
-120
-100
-80
-60
-40
-20
0
20
0 5000 10000 15000 20000
AMPLITUDE (dBV)
FREQUENCY (Hz)
INBAND OUTPUT SPECTRUM
f
BCLK
= 2.048MHz
f
LRCLK
= 32kHz
Z
SPK
= 8μ + 68μ H
toc38
-140
-120
-100
-80
-60
-40
-20
0
20
0 5000 10000 15000 20000
AMPLITUDE (dBV)
FREQUENCY (Hz)
INBAND OUTPUT SPECTRUM
f
BCLK
= 2.8224MHz
f
LRCLK
= 44.1kHz
Z
SPK
= 8μ + 68μ H
toc41
-140
-120
-100
-80
-60
-40
-20
0
20
0 5000 10000 15000 20000
AMPLITUDE (dBV)
FREQUENCY (Hz)
INBAND OUTPUT SPECTRUM
f
BCLK
= 2.048MHz
f
LRCLK
= 32kHz
Z
SPK
= 8μ + 68μ H
toc39
-140
-120
-100
-80
-60
-40
-20
0
20
0 5000 10000 15000 20000
AMPLITUDE (dBV)
FREQUENCY (Hz)
INBAND OUTPUT SPECTRUM
f
BCLK
= 2.8224MHz
f
LRCLK
= 44.1kHz
Z
SPK
= 8μ + 68μ H
toc42