Datasheet

MAX4298/MAX4299
Ultra-High PSRR Stereo Drivers +
Microphone Amp + 100mA Linear Regulator
10 ______________________________________________________________________________________
220µF
C
BYPASS
1µF
1µF
R
I
10kΩ
R
I
10kΩ
IN1
BIAS
R
F
10kΩ
V
CC
V
CC
SV
CC
OUT1
MUTE
OUT2
GND
OPTIONAL
MAX4298
IN2
R
F
10kΩ
+
_
+
_
C
AC
220µF
C
AC
220µF
RIGHT
LEFT
2.25V
V
CC
Typical Operating Circuits
C
BYPASS
REG
FB
IN1
BIAS
1µF
10µF
1µF
MICOUT
IN2
SV
CC
V
CC
V
CC
OPTIONAL
REGON
RBIAS
0.33µF
20kΩ
C
AC
220µF
220µF
AV
DD
3.3V
LEFT
0.33µF
20kΩ
0.33µF
20kΩ
MIC
RIGHT
AUDIO
CODEC
MAX4299
200kΩ
20kΩ
PGND
MICIN
OUT2
MUTE
OUT
20kΩ
LDO
+
_
+
_
2.25V
+
_
C
AC
220µF
GND
AV
DD
V
CC
ELECTRET
MIC