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MAX9875ERP+T

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30
MAX9875
Low RF Susceptibility, Mono Audio
Subsystem with DirectDrive Headphone Amplifier
28 ______________________________________________________________________________________
WLP Applications Information
For the latest application details on WLP construction,
dimensions, tape carrier information, PCB techniques,
bump-pad layout, and recommended reflow tempera-
ture profile, as well as the latest information on reliability
testing results, refer to the
Application Note: UCSP—A
Wafer-Level Chip-Scale Package
on Maxim’s website
at www.maxim-ic.com/ucsp. See Figure 15 for the
recommended PCB footprint for the MAX9875.
250µm
45±5µm
Figure 15. PCB Footprint Recommendation Diagram
MAX9875
Low RF Susceptibility, Mono Audio
Subsystem with DirectDrive Headphone Amplifier
______________________________________________________________________________________ 29
Typical Application Circuit
CHARGE
PUMP
MIXER
AND
MUX
CLASS D
MODULATOR
+12dB
INPUT A
0dB/+9dB/+20dB
INA2
INA1
D1
D2
C1N
INPUT A
INPUT B
C1P
A4
A5
BIAS
B2
B5
D5
OUT+
A1 HPR
A2 HPL
OUT-
I
2
C
CONTROL
SDA
SCL
B3
C3
-75dB TO 0dB
0dB
0dB
-75dB TO 0dB
-75dB TO 0dB
C1
1µF
1µF
1µF
INPUT B
0dB/+9dB/+20dB
INB2
INB1
C1
C2
1µF
1µF
1µF
OPEN-DRAIN GPIO
D3
GND
C4
PGND
MAX9875
A3
V
SS
C2
1µF
B1
V
DD
1µF
V
BATT
V
BATT
C5
PVDD
C3
1µF
Chip Information
PROCESS: BiCMOS
MAX9875
Low RF Susceptibility, Mono Audio
Subsystem with DirectDrive Headphone Amplifier
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
30 __________________
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
© 2009 Maxim Integrated Products Maxim is a registered trademark of Maxim Integrated Products, Inc.
Package Information
For the latest package outline information and land patterns, go to www.maxim-ic.com/packages.
PACKAGE TYPE PACKAGE CODE DOCUMENT NO.
20 WLP R202A2+2
21-0059
20L WLP.EPS
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30

MAX9875ERP+T

Mfr. #:
Buy MAX9875ERP+T
Manufacturer:
Maxim Integrated
Description:
Audio Amplifiers Audio Subsystem w/DirectDrive
Lifecycle:
New from this manufacturer.
Delivery:
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