max9777etit Maxim Integrated Products, Inc., max9777etit Datasheet - Page 23
max9777etit
Manufacturer Part Number
max9777etit
Description
Max9777, Max9778 Stereo 3w Audio Power Amplifiers With Headphone Drive And Input Mux
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.MAX9777ETIT.pdf
(27 pages)
µCONTROLLER
TO
10kΩ
AUDIO
AUDIO
AUDIO
AUDIO
INPUT
INPUT
INPUT
INPUT
1kΩ
4.5V TO 5.5V
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
0.68
0.68
0.68
0.68
Stereo 3W Audio Power Amplifiers with
µ
µ
µ
µ
F
F
F
F
1kΩ
15kΩ
15kΩ
15kΩ
15kΩ
1
µ
F
19
17
20
14
28
15
6
2
5
1
INL1
INL2
INR1
INR2
SHDN
BIAS
SCL
SDA
ADD
INT
100
MAX9777
Headphone Drive and Input Mux
µ
F
INPUT
INPUT
LOGIC
MUX
MUX
BIAS
2:1
2:1
11, 25
4.5V TO 5.5V
PV
DD
18
3, 4
GND
V
DD
10k
10k
Ω
10k
Ω
10k
Ω
Ω
0.1
10k
10k
µ
F
PGND
Ω
Ω
10k
10k
9, 13, 23, 27
GAIN
GAIN
MUX
MUX
SET
SET
Ω
Ω
HPS
GAINRB
GAINRA
GAINLB
GAINLA
OUTL+
OUTR+
OUTR-
OUTL-
HPS
8
7
10
12
22
21
24
26
16
Functional Diagrams
15k
15k
Ω
Ω
33.2k
33.2k
Ω
Ω
27.4k
27.4k
0.047µF
0.047µF
220µF
220µF
Ω
Ω
10k
10k
Ω
Ω
23