Rainbow Electronics MAX9792 - Manual (Page 26)

MAX9791/MAX9792
Windows Vista-Compliant Class D Speaker
Amplifiers with DirectDrive Headphone Amplifiers
26 ______________________________________________________________________________________
MAX9792A
SPKR_EN
HP_EN
LDO_EN
BEEP
SPEAKER SUPPLY
4.5V TO 5.5V
HEADPHONE SUPPLY
2.7V TO 5.5V
LDO 4.5V TO 5.5V
SPKR_IN
HP_INR
HP_INL
4.75V
CLASS D
AMP
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
1 2
OUTR-
4 5 6 7
20 21 19 17 16 15
PVDD
SPKR_EN
CPVSS
SENSE
HPL
HPR
MAX9791A
MAX9791B
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
Pin Configurations
26
27
25
24
10
9
11
HP_INR
COM GND
LDO_OUT
AVDD
12
GND
PGND OUT- PVDD BEEP HPVDD C1P
1 2
OUT-
4 5 6 7
20 21 19 17 16 15
PVDD
SPKR_EN
CPVSS
SENSE
HPL
HPR
MAX9792A
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