Datasheet

MAX9791/MAX9792
Windows Vista-Compliant Class D Speaker
Amplifiers with DirectDrive Headphone Amplifiers
______________________________________________________________________________________ 27
MAX9792
SPKR_EN
HP_EN
LDO_EN
BEEP
SPEAKER AND LDO
SUPPLY
2.7V TO 5.5V
HEADPHONE SUPPLY
2.7V TO 5.5V
SPKR_IN
HP_INR
HP_INL
CLASS D
AMP
AVDD
LDO
1.8V OR 4.75V
Simplified Block Diagrams
(continued)
26
27
25
24
10
9
11
HP_INR
COM
GND
LDO_OUT
AVDD
12
SPKR_INL
PGND OUTL- PVDD BEEP HPVDD C1P
12
OUTR-
4567
2021 19 17 16 15
PVDD
SPKR_EN
CPVSS
SENSE
HPL
HPR
MAX9791
HP_INL
OUTL+
3
18
28
8
SPKR_INR
LDO_EN
OUTR+
23
13
C1N
PGND
22
14
CPGND
HP_EN
TQFN
(4mm x 4mm x 0.75mm)
TOP VIEW
+
*EP
*EP = EXPOSED PAD
26
27
25
24
10
9
11
HP_INR
COM
GND
LDO_OUT
AVDD
12
GND
PGND OUT- PVDD BEEP HPVDD C1P
12
OUT-
4567
2021 19 17 16 15
PVDD
SPKR_EN
CPVSS
SENSE
HPL
HPR
MAX9792
HP_INL
OUT+
3
18
28
8
SPKR_IN
LDO_EN
OUT+
23
13
C1N
PGND
22
14
CPGND
HP_EN
TQFN
(4mm x 4mm x 0.75mm)
TOP VIEW
+
*EP = EXPOSED PAD
*EP
Pin Configurations