Datasheet

MAX98355A/MAX98355B
PCM Input Class D Audio Power Amplifiers
30Maxim Integrated
Figure 18. Stereo PCM Operation Using Two ICs
OUTP
OUTN
GAIN
V
DD
2.5V TO 5.5V
0.1µF10µF
GPIO*
CODEC
BIT CLOCK
FRAME CLOCK
DATA OUT
SD_MODE
BCLK
LRCLK
R
SMALL
(76.8kI)**
DIN
GND
*RESPONDS TO RIGHT CHANNEL WHEN GPIO IS HIGH.
**76.8kI ASSUMES V
GPIO
= 1.8V.
THE MAX98355A/MAX98355B IS SHUTDOWN WHEN GPIO IS LOW.
MAX98355A
MAX98355B
OUTP
OUTN
GAIN
V
DD
2.5V TO 5.5V
0.1µF10µF
SD_MODE
BCLK
LRCLK
DIN
GND
*RESPONDS TO LEFT CHANNEL WHEN GPIO IS HIGH.
THE MAX98355A/MAX98355B IS SHUTDOWN WHEN GPIO IS LOW.
MAX98355A
MAX98355B
B2 A2
A1
C1
C3
B1
C2
B3
A3
B2 A2
A1
C1
C3
B1
C2
B3
A3