MAX9790AETJ+ Maxim Integrated Products, MAX9790AETJ+ Datasheet - Page 24

• Manufacturer Part Number: MAX9790AETJ+
• Description: IC AMP AUDIO 2W STER AB 32TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class ABr

Specifications of MAX9790AETJ+

• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 2W x 2 @ 4 Ohm; 100mW x 2 @ 16 Ohm
• Voltage - Supply: 4.5 V ~ 5.5 V
• Features: Depop, Mute, Short-Circuit and Thermal Protection, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 32-TQFN Exposed Pad
• For Use With: MAX9789AEVKIT+ - EVALUATION KIT FOR MAX9789A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Windows Vista-Compliant, Stereo Class AB Speaker
Amplifiers and DirectDrive Headphone Amplifiers
24
SPKR_INR
SPKR_INL
TOP VIEW
______________________________________________________________________________________
HP_INR
HP_INL
LDO_OUT
*EP = EXPOSED PADDLE
HP_INR
HP_INL
GAIN1
GAIN2
MUTE
GND
V
DD
SPEAKER SUPPLY
Simplified Block Diagrams
MAX9790A
SPKR_EN
HP_EN
MUTE
4.5V TO 5.5V
GAIN1
GAIN2
25
26
27
28
29
30
31
32
24
1
+
23
2
HEADPHONE SUPPLY
22
3
3.0V TO 5.5V
MAX9789A
TQFN
21
4
20
5
19
6
(continued)
EP*
18
7
17
8
16 HPL
15 HPR
14
13
12
11
10
9
PV
CPV
C1N
CPGND
C1P
CPV
SS
SS
DD
*EP = EXPOSED PADDLE
PROCESS: BiCMOS
HP_INR
HP_INL
GAIN1
GAIN2
MUTE
GND
N.C.
V
DD
25
26
27
29
30
31
32
28
24
1
+
23
2
22
3
MAX9790A
21
TQFN
4
Pin Configurations
20
5
Chip Information
19
6
EP*
18
7
17
8
16 HPL
15 HPR
14
13
12
11
10
9
PV
CPV
C1N
CPGND
C1P
CPV
SS
SS
DD