Instruction Manual

MAX9756/MAX9757/MAX9758
2.3W Stereo Speaker Amplifiers and DirectDrive
Headphone Amplifiers with Automatic Level Control
28 ______________________________________________________________________________________
Pin Configurations
27
26
24
23
22
21
25
20 19
HPV
DD
HPL
V
SS
CPV
SS
C1P
CPV
DD
C1N
CPGND
HPR
SET
GND
V
DD
OUT
CT
INR
VOL
28
29
30
31
32
33
34
35
36
18
17
16
15
14
13
12
11
10
BEEP
PGND
OUTL+
PV
DD
GAIN3 GAIN2 GAIN1
INL
BIAS DR REGEN HPS PGND OUTR+ OUTR- PV
DD
SHDN
TQFN
6mm x 6mm
MAX9756
TOP VIEW
1
2
4
5
6
7
3
89
IN
OUTL-
PREF
MAX9757
THIN QFN
5mm x 5mm
29
30
28
27
12
11
13
GAIN2
BEEP
PGND
OUTL+
OUTL-
14
GAIN1
DR PGND OUTR+ BIAS OUTR- PV
DD
12
GND
4567
2324 22 20 19 18
V
DD
CT
V
SS
CPV
SS
C1N
CPGND
GAIN3
HPS
3
21
31
10
INR
C1P
32
9
INL
CPV
DD
PREF
26
15
HPR
VOL
25
16
HPL
PV
DD
HPV
DD
8
17
SHDN
MAX9758
THIN QFN
5mm x 5mm
29
30
28
27
12
11
13
GAIN2
BEEP
PGND
OUTL+
OUTL-
14
GAIN1
REGEN PGND OUTR+ BIAS OUTR- PV
DD
12
GND
4567
2324 22 20 19 18
V
DD
OUT
V
SS
CPV
SS
C1N
CPGND
GAIN3
HPS
3
21
31
10
INR
C1P
32
9
INL
CPV
DD
SET
26
15
HPR
VOL
25
16
HPL
PV
DD
HPV
DD
8
17
SHDN
Chip Information
PROCESS: BICMOS