Functional diagrams – Rainbow Electronics MAX9704 User Manual
Page 12
MAX9703/MAX9704
15W, Filterless, Spread-Spectrum
Mono/Stereo Class D Amplifiers
12
______________________________________________________________________________________
MAX9703
0.47µF
LOGIC INPUTS SHOWN FOR A
V
= 16dB (SSM).
V
IN
= LOGIC HIGH > 2.5V.
IN+
11
12
18
14
15
16
13
10 AGND
9
6
5
19
IN-
FS1
V
REG
V
REG
V
REG
V
REG
FS2
G1
G2
SS
REG
V
REG
0.47µF
MODULATOR
OSCILLATOR
CHARGE PUMP
C1P
C1
0.1µF
25V
C1N
0.18µF
10V
V
IH
GAIN
CONTROL
SHUTDOWN
CONTROL
0.47µF
10V
SHDN
H-BRIDGE
OUT+
OUT+
OUT-
OUT-
30
29
28
27
PGND
V
DD
V
DD
PGND
1
3
4
21 22
23 24
2
10V TO 25V
100µF
25V
0.1µF
25V
0.1µF
25V
C2
1µF
25V
CHOLD
V
DD
7
Functional Diagrams