MAX4295 Maxim, MAX4295 Datasheet - Page 12

• Manufacturer Part Number: MAX4295
• Description: Mono/Stereo 2W Switch-Mode (Class-D) Audio Power Amplifiers
• Manufacturer: Maxim

Mono/Stereo 2W Switch-Mode (Class-D)
Audio Power Amplifiers
12
The MAX4295/MAX4297 have a shutdown mode that
reduces power consumption and extends battery life.
Driving SHDN low disables the H-bridge, turns off the
circuit, and places the MAX4295/MAX4297 in a low-
power shutdown mode. Connect SHDN to V
mal operation.
Figure 1b. MAX4297 Functional Diagram
______________________________________________________________________________________
INR
AOUTR
AOUTL
INL
FS1
FS2
0.3
(VCM)
✕
V
CC
Low-Power Shutdown Mode
PWM
OSC
CC
for nor-
External feedback components set the gain of the
MAX4295/MAX4297. Resistors RF and RIN set the gain
of the input amplifier to -(RF/RIN). The amplifier’s nonin-
verting input is connected to the internally generated
0.3
mode voltage.
DRIVE
DRIVE
GATE
GATE
✕
POWER MANAGEMENT
V
AND PROTECTION
CC
PV
PV
CC
CC
(VCM) that sets the amplifier’s common-
OUT+R
OUT+L OUT-L
PGND
PGND
Applications Information
OUT-R
V
GND
CC
DRIVE
DRIVE
GATE
Component Selection
GATE
SS
Gain Setting
CSS