Datasheet

MAX98355A/MAX98355B
PCM Input Class D Audio Power Amplifiers
15Maxim Integrated
Typical Operating Characteristics (continued)
(V
DD
= 5V, V
G
ND
= 0V, GAIN = V
DD
(+6dB). 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.)
INBAND OUTPUT SPECTRUM
MAX98355A-B toc39
FREQUENCY (kHz)
AMPLITUDE (dBV)
-120
-100
-80
-60
-40
-20
0
20
-140
BCLK = 1.024MHz
LRCLK = 16kHz
Z
SPK
= 8I + 68µH
0246810 12 14 16 18 20
INBAND OUTPUT SPECTRUM
MAX98355A-B toc40
FREQUENCY (kHz)
AMPLITUDE (dBV)
-120
-100
-80
-60
-40
-20
0
20
-140
BCLK = 1.024MHz
LRCLK = 16kHz
Z
SPK
= 8I + 68µH
0246810 12 14 16 18 20
INBAND OUTPUT SPECTRUM
MAX98355A/B toc37
FREQUENCY (kHz)
AMPLITUDE (dBV)
18162 4 6 10 128 14
-120
-100
-80
-60
-40
-20
0
20
-140
02
0
BCLK = 2.048MHz
LRCLK = 32kHz
Z
SPK
= 8I + 68µH
INBAND OUTPUT SPECTRUM
MAX98355A-B toc41
FREQUENCY (kHz)
AMPLITUDE (dBV)
-120
-100
-80
-60
-40
-20
0
20
-140
BCLK = 512kHz
LRCLK = 8kHz
Z
SPK
= 8I + 68µH
0246810 12 14 16 18 20
INBAND OUTPUT SPECTRUM
MAX98355A-B toc42
FREQUENCY (kHz)
AMPLITUDE (dBV)
-120
-100
-80
-60
-40
-20
0
20
-140
0246810 12 14 16 18 20
BCLK = 512kHz
LRCLK = 8kHz
Z
SPK
= 8I + 68µH
INBAND OUTPUT SPECTRUM
MAX98355A/B toc38
FREQUENCY (kHz)
AMPLITUDE (dBV)
18162 4 6 10 128 14
-120
-100
-80
-60
-40
-20
0
20
-140
02
0
BCLK = 2.048MHz
LRCLK = 32kHz
Z
SPK
= 8I + 68µH