Datasheet

MAX98357A/MAX98357B
PCM Input Class D Audio Power Amplifiers
32Maxim Integrated
Figure 20. Channel TDM Operation (Gain Fixed at 12dB)
OUTP
OUTN
GAIN_SLOT
V
DD
2.5V TO 5.5V
0.1µF
10µF
SD_MODE
BCLK
LRCLK
DIN
GND
*RESPONDS TO CHANNEL 1 WHEN GPIO IS HIGH.
THE MAX98357A/B ARE SHUT DOWN WHEN GPIO IS LOW.
*RESPONDS TO CHANNEL 2 WHEN GPIO IS HIGH.
THE MAX98357A/B ARE SHUT DOWN WHEN GPIO IS LOW.
MAX98357A
MAX98357B
B2 A2
A1
C1
C3
B1
C2
B3
A3
OUTP
OUTN
GAIN_SLOT
V
DD
2.5V TO 5.5V
0.1µF
10µF
SD_MODE
BCLK
LRCLK
DIN
GND
MAX98357A
MAX98357B
B2 A2
A1
C1
C3
B1
C2
B3
A3
OUTP
OUTN
GAIN_SLOT
V
DD
2.5V TO 5.5V
0.1µF
10µF
SD_MODE
BCLK
LRCLK
DIN
GND
MAX98357A
MAX98357B
B2 A2
A1
C1
C3
B1
C2
B3
A3
*RESPONDS TO CHANNEL 3 WHEN GPIO IS HIGH.
THE MAX98357A/B ARE SHUT DOWN WHEN GPIO IS LOW.
OUTP
OUTN
GAIN_SLOT
V
DD
2.5V TO 5.5V
100kI
0.1µF
10µF
SD_MODE
BCLK
LRCLK
DIN
GND
MAX98357A
MAX98357B
B2 A2
A1
C1
C3
B1
C2
B3
A3
GPIO*
CODEC
BIT CLOCK
FRAME CLOCK
DATA OUT
*RESPONDS TO CHANNEL 0 WHEN GPIO IS HIGH.
THE MAX98357A/B ARE SHUT DOWN WHEN GPIO IS LOW.