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MAX9777/MAX9778
Stereo 3W Audio Power Amplifiers with
Headphone Drive and Input Mux
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25
TOP VIEW
MAX9777
THIN QFN
26
27
25
24
10
9
11
INT
V
DD
INL1
INL2
GAINLA
12
SDA
INR2
GND
BIAS
GAINRA
HPS
ADD
12
PV
DD
4567
2021 19 17 16 15
OUTR-
PGND
OUTL-
PV
DD
OUTL+
PGND
V
DD
INR1
3
18
28
8
SCL
GAINLB
OUTR+
23
13
PGND
PGND
22
14
SHDN
GAINRB
TOP VIEW
MAX9778
THIN QFN
26
27
++
25
24
10
9
11
HPS_EN
V
DD
INL1
INL2
GAINLA
12
MUTE
INR2
GND
BIAS
GAINRA
HPS
GAINA/B
12
PV
DD
4567
2021 19 17 16 15
OUTR-
PGND
OUTL-
PV
DD
OUTL+
PGND
V
DD
INR1
3
18
28
8
IN1/2
GAINLB
OUTR+
23
13
PGND
PGND
22
14
SHDN
GAINRB
Pin Configurations