Pin description (continued) – Rainbow Electronics MAX98089 User Manual
Page 59
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MAX98089
Low-Power, Stereo Audio Codec
with FlexSound Technology
Pin Description (continued)
BUMP
(WLP)
PIN
(TQFN-EP)
NAME
FUNCTION
G1
1
SDOUTS2
S2 Digital Audio Serial-Data ADC Output. The output voltage is referenced to
DVDDS2.
G2
55
DVDDS2
S2 Digital Audio Interface Power-Supply Input. Bypass to DGND with a 1FF ca-
pacitor.
G3
54
SDINS2
S2 Digital Audio Serial-Data DAC Input. The input voltage is referenced to
DVDDS2.
G4
53
DVDD
Digital Power Supply. Supply for the digital core and I
2
C interface. Bypass to
DGND with a 1FF capacitor.
G5
50
AVDD
Analog Power Supply. Bypass to AGND with a 1FF capacitor.
G6
48
REF
Converter Reference. Bypass to AGND with a 2.2FF capacitor.
G7
47
AGND
Analog Ground
G8
43
MIC2N
Negative Differential Microphone 2 Input. AC-couple a microphone with a series
1FF capacitor.
G9
42
MIC2P
Positive Differential Microphone 2 Input. AC-couple a microphone with a series 1FF
capacitor.
—
—
EP
Exposed Pad (TQFN Only). Connect the exposed pad to the PCB ground plane.