Datasheet

MAX98357A/MAX98357B
PCM Input Class D Audio Power Amplifiers
31Maxim Integrated
Figure 19. Stereo PCM Operation Using Two ICs
OUTP
OUTN
GAIN_SLOT
V
DD
2.5V TO 5.5V
0.1µF10µF
GPIO*
CODEC
BIT CLOCK
FRAME CLOCK
DATA OUT
SD_MODE
BCLK
LRCLK
R
SMALL
(69.8kI)**
DIN
GND
*RESPONDS TO RIGHT CHANNEL WHEN GPIO IS HIGH.
**69.8kI ASSUMES V
GPIO
= 1.8V.
THE MAX98357A/B ARE SHUT DOWN WHEN GPIO IS LOW.
MAX98357A
MAX98357B
OUTP
OUTN
GAIN_SLOT
V
DD
2.5V TO 5.5V
0.1µF10µF
SD_MODE
BCLK
LRCLK
DIN
GND
*RESPONDS TO CHANNEL 0 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
B2 A2
A1
C1
C3
B1
C2
B3
A3