MAX9790AETJ+ Maxim Integrated Products, MAX9790AETJ+ Datasheet - Page 22

• Manufacturer Part Number: MAX9790AETJ+
• Description: IC AMP AUDIO 2W STER AB 32TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class ABr

Specifications of MAX9790AETJ+

• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 2W x 2 @ 4 Ohm; 100mW x 2 @ 16 Ohm
• Voltage - Supply: 4.5 V ~ 5.5 V
• Features: Depop, Mute, Short-Circuit and Thermal Protection, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 32-TQFN Exposed Pad
• For Use With: MAX9789AEVKIT+ - EVALUATION KIT FOR MAX9789A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Windows Vista-Compliant, Stereo Class AB Speaker
Amplifiers and DirectDrive Headphone Amplifiers
22
DGND
______________________________________________________________________________________
V
CODEC
LDO_OUT
HDA
SPKR_R
SPKR_L
MONO
AGND
HP_R
HP_L
0.1μF
μC
5.0V
1μF
1μF
C
3
1μF
1μF
1μF
1μF
C
C
C
C
IN
IN
IN
IN
1μF
1μF
1μF
C
1
HP_INR
HP_INL
CPV
C1P
C1N
SPKR_EN
HP_EN
LDO_EN
GAIN1
GAIN2
MUTE
SPKR_INR
BIAS
SPKR_INL
DD
V
DD
GND
MAX9789A
PV
5.0V
DD
C
PGND
100μF
0.47μF
BULK
LDO_OUT
LDO_SET
CPGND
HPV
OUTR+
OUTL+
CPV
0.47μF
OUTR-
0.47μF
OUTL-
5.0V
PV
HPR
HPL
DD
SS
SS
1μF
0.01μF
FS2
G2
IN+
IN-
SS
REG
FS1
G1
SHDN
10μF
4Ω
4Ω
1μF
PGND
MAX9713
System Diagrams
12V
V
DD
1μF
AGND
CHOLD
OUT+
OUT-
C1N
C1P
C
1μF
2
4.75V
8Ω
V
DD
1μF
0.1μF