max9791 Maxim Integrated Products, Inc., max9791 Datasheet - Page 26

• Manufacturer Part Number: max9791
• Description: Windows Vista-compliant Class D Speaker Amplifiers With Directdrive Headphone Amplifiers
• Manufacturer: Maxim Integrated Products, Inc.

Windows Vista-Compliant Class D Speaker
Amplifiers with DirectDrive Headphone Amplifiers
26
TOP VIEW
______________________________________________________________________________________
SPKR_INR
SPKR_EN
HP_EN
OUTR+
OUTR-
PGND
PVDD
*EP = EXPOSED PAD
22
23
24
25
26
27
28
(4mm x 4mm x 0.75mm)
21
1
+
20
2
19
MAX9791A
MAX9791B
3
TQFN
18
4
17
5
*EP
16
6
15
7
14
13
12
11
10
9
8
CPGND
C1N
CPVSS
SENSE
HPL
HPR
LDO_EN
TOP VIEW
4.5V TO 5.5V
SPKR_IN
SPKR_EN
HP_INR
HP_INL
SPKR_IN
HP_EN
PGND
PVDD
OUT+
OUT-
*EP = EXPOSED PAD
22
23
24
26
27
28
25
SPEAKER SUPPLY
SPKR_EN
HP_EN
LDO_EN
BEEP
4.5V TO 5.5V
MAX9792A
Simplified Block Diagrams
(4mm x 4mm x 0.75mm)
21
1
+
20
2
19
MAX9792A
3
TQFN
LDO
HEADPHONE SUPPLY
18
4
Pin Configurations
2.7V TO 5.5V
17
CLASS D
5
AMP
*EP
16
6
15
7
(continued)
14
13
12
11
10
4.75V
9
8
CPGND
C1N
CPVSS
SENSE
HPL
HPR
LDO_EN