Typical application circuit, Chip information, Package information – Rainbow Electronics MAX9877 User Manual
Page 30
MAX9877
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.
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© 2008 Maxim Integrated Products
is a registered trademark of Maxim Integrated Products, Inc.
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
BASEBAND
RECEIVER
AMPLIFIER
RxIN+
RxIN-
B4
D4
-75dB TO 0dB
0dB
0dB
-75dB TO 0dB
-75dB TO 0dB
BYPASS
C1
1
μF
1
μF
1
μF
INPUT B
0dB/+9dB/+20dB
INB2
INB1
C1
C2
1
μF
1
μF
1
μF
OPEN-DRAIN GPIO
9.1
Ω
9.1
Ω
D3
GND
C4
PGND
MAX9877
A3
V
SS
C2
1
μF
B1
V
DD
1
μF
V
BATT
V
BATT
C5
PV
DD
C3
1
μF
Chip Information
PROCESS: BiCMOS
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
W202A2+2