max9706etxt Maxim Integrated Products, Inc., max9706etxt Datasheet - Page 23

• Manufacturer Part Number: max9706etxt
• Description: 3-channel, 2.3w, Filterless Class D Amplifiers With Active Crossover
• Manufacturer: Maxim Integrated Products, Inc.

3-Channel, 2.3W, Filterless Class D Amplifiers
*BULK CAPACITANCE IF NEEDED
TYPICAL OPERATING CIRCUIT SHOWN DEPICTS THE MAX9707 WITH:
SSM MODE WITH f
AND CROSSOVER FREQUENCY = 1066.7Hz.
______________________________________________________________________________________
V
DD
Functional Diagram/Typical Operating Circuits (continued)
0.47µF
0.47µF
OSC
C
C
IN
IN
= 1150kHz, SPEAKER GAIN = +9dB, MONO SPEAKER GAIN OFFSET = -6.0dB,
SYNC_IN
MGAIN
GAIN1
GAIN2
SHDN
FS1
FS0
INL
INR
14
36
28
27
24
26
25
30
29
12
N.C.
LOWPASS/
HIGHPASS
LOWPASS/
HIGHPASS
CONTROL
13
FILTER
FILTER
N.C.
1µF
16
N.C.
AND SAWTOOTH
OSCILLATOR
4.5V TO 5.5V
17
N.C.
10µF*
3
18
V
DD
N.C.
with Active Crossover
C
19
1µF
BIAS
GENERATOR
N.C.
BIAS
PV
8, 20, 34
1
BIAS
DD
1µF
AND H-BRIDGE
AND H-BRIDGE
AND H-BRIDGE
MAX9707
MODULATOR
MODULATOR
MODULATOR
CLASS D
CLASS D
CLASS D
2
GND
5, 23, 31
PGND
33 OUTM+
32 OUTM-
21 OUTR+
22 OUTR-
35 MONO_OUT
15
10
11 N.C.
4 SYNC_OUT
7 OUTL+
6 OUTL-
9
I.C.
N.C.
N.C.
23