Datasheet

MAX98355A/MAX98355B
PCM Input Class D Audio Power Amplifiers
16Maxim Integrated
Pin Description
Pin Configuration
PIN NAME FUNCTION
A1 SD_MODE
Shutdown and Channel Select. Determines left, right, or left/2 + right/2 mix and also used for shutdown.
See Table 5.
A2 V
DD
Power-Supply Input
A3 OUTP Positive Speaker Amplifier Output
B1 DIN Digital Input Signal
B2 GAIN
Amplifier Gain
Gain Connections Gain (dB)
GND through 100kI resistor 15
GND 12
Unconnected 9
V
DD
6
V
DD
through 100kI resistor 3
B3 OUTN Negative Speaker Amplifier Output
C1 BCLK Bit Clock Input Signal. BCLK must be 32, 48, or 64 x LRCLK. Valid frequency range: 256kHz–6.144MHz.
C2 GND Ground
C3 LRCLK Left/Right Word Clock Input. Valid frequency range: 8kHz–96kHz.
WLP
TOP VIEW
BUMP SIDE DOWN
GNDBCLK LRCLK
GAINDIN OUTN
V
DD
SD_MODE OUTP
MAX98355A
MAX98355B
+
A1
B1
C1 C2 C3
B2 B3
A3A2