Datasheet
R5
10kΩ
R6
10kΩ
C
IN
0.47µF
C4
0.1µF
R4
22kΩ
R3
47kΩ
R1
47kΩ
C5
1µF
C2
1µF
C
IN
0.47µF
C1
1µF
1.8V TO 3.6V
ANALOG INPUT
I
2
C INTERFACE
CHARGE PUMP
V
DD
INR
SDA
SCL
V
DD
V
DD
SV
SS
V
DD
R
OUTR
BBR
BBL
OUTL
R
SV
SS
V
DD
SV
SS
V
DD
SV
SS
SHDN
C1P
C1N
SGND PGND PV
SS
SV
SS
C3
0.1µF
R2
22kΩ
ANALOG INPUT
BASS BOOST CIRCUIT TUNED
FOR +8.8dB AT 106Hz.
R
INL
R
MAX9723
MAX9723 Stereo DirectDrive Headphone Amplier
with BassMax, Volume Control, and I
2
C
www.maximintegrated.com
Maxim Integrated
│
20
Functional Diagram/Typical Operating Circuit
Chip Information
TRANSISTOR COUNT: 7165
PROCESS: BiCMOS
UCSP Applications Information
For the latest application details on UCSP construction, dimen-
sions, tape carrier information, PC board techniques, bump-
pad layout, and recommended reflow temperature profile, as
well as the latest information on reliability testing results, go
to Maxim’s website at www.maximintegrated.com/ucsp and
look up Application Note 1891: Understanding the Basics of the
Wafer-Level Chip-Scale Package (WL-CSP).