MAX9779ETI+ Maxim Integrated Products, MAX9779ETI+ Datasheet - Page 9

• Manufacturer Part Number: MAX9779ETI+
• Description: IC AMP AUDIO PWR 2.6W AB 28TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class ABr

Specifications of MAX9779ETI+

• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 2.6W x 2 @ 3 Ohm; 110mW x 2 @ 16 Ohm
• Voltage - Supply: 4.5 V ~ 5.5 V
• Features: Depop, Short-Circuit and Thermal Protection, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

26, 28
3, 19
6, 16
PIN
EP
10
11
12
13
14
15
17
18
20
21
22
23
24
25
27
1
2
4
5
7
8
9
HPOUTR
HPOUTL
CPGND
OUTL+
OUTR+
CPV
HPV
CPV
OUTR-
GAIN2
GAIN1
NAME
OUTL-
PGND
SHDN
PV
BIAS
GND
N.C.
C1P
C1N
HPS
V
V
INR
INL
EP
DD
SS
_______________________________________________________________________________________
DD
DD
DD
SS
2.6W Stereo Audio Power Amplifier and
Left-Channel Audio Input
No Connection. Not internally connected.
Power Ground
Left-Channel Positive Speaker Output
Left-Channel Negative Speaker Output
Speaker Amplifier Power Supply
Charge-Pump Power Supply
Charge-Pump Flying-Capacitor Positive Terminal
Charge-Pump Ground
Charge-Pump Flying-Capacitor Negative Terminal
Charge-Pump Output. Connect to V
Headphone Amplifier Negative Power Supply
Right-Channel Headphone Output
Left-Channel Headphone Output
Headphone Positive Power Supply
Right-Channel Negative Speaker Output
Right-Channel Positive Speaker Output
Headphone Sense Input
Common-Mode Bias Voltage. Bypass with a 1µF capacitor to GND.
Shutdown. Drive SHDN low to disable the device. Connect SHDN to V
Gain Control Input 2
Gain Control Input 1
Power Supply
Ground
Right-Channel Audio Input
Exposed Paddle. Connect EP to GND.
DirectDrive Headphone Amplifier
SS
.
FUNCTION
DD
for normal operation.
Pin Description
9