MAX9776 Maxim Integrated Products, MAX9776 Datasheet - Page 18

• Manufacturer Part Number: MAX9776
• Description: (MAX9775 / MAX9776) Stereo Class D Audio Subsystem
• Manufacturer: Maxim Integrated Products

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2 x 1.5W, Stereo Class D Audio Subsystem
with DirectDrive Headphone Amplifier
18
V
DD
1µF
1µF
______________________________________________________________________________________
C1
C3
1µF
1µF
1µF
1µF
1µF
1µF
1µF
CPGND
CPV
VBIAS
SHDN
INA1
INA2
INB2
INC1
INC2
INB1
C1N
SDA
C1P
SCL
DD
13 (A4)
12 (A3)
10 (A2)
9 (A1)
30 (E3)
27 (E4)
24 (E5)
22 (D5)
14 (B4)
19 (C5)
11 (B3)
6 (C2)
3 (D2)
32 (E2)
INPUT A: 0dB,
6dB, OR 20dB
INPUT B: 0dB
INPUT C: 0dB
CPV
15 (A5) 17 (B5)
CHARGE
OR 6dB
OR 6dB
PUMP
SS
I
2
25 (F6)
C CONTROL
V
SS
GND
INPUT
MIXER
PGND
C2
1µF
4 (D1)
VOLUME
VOLUME
VOLUME
MONO
RIGHT
29 (F3)
LEFT
PGND
Typical Application Circuits (continued)
21 (D6)
V
DD
V
DD
OUTPUT
MIXER
1µF
MAX9776
1 (F1)
V
DD
PV
DD
DirectDrive
AMPLIFIER
CLASS D
3dB
3dB
3dB
12dB
0.1µF
1µF
20 (C6)
16 (A6)
18 (B6)
5 (C1)
2 (E1)
HPL
HPR
OUTRx
OUT+
OUT-