Simplified block diagrams (continued), Pin configurations – Rainbow Electronics MAX9792 User 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