MAX9777ETI+T Maxim Integrated Products, MAX9777ETI+T Datasheet - Page 21

• Manufacturer Part Number: MAX9777ETI+T
• Description: IC AMP AUDIO PWR 2.6W AB 28TQFN
• Manufacturer: Maxim Integrated Products
• Type: Class ABr

Specifications of MAX9777ETI+T

• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 2.6W x 2 @ 4 Ohm; 200mW x 2 @ 16 Ohm
• Voltage - Supply: 4.5 V ~ 5.5 V
• Features: Depop, I²C, Input Multiplexer, Mute, Shutdown, Thermal Protection
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MICROCONTROLLER
CODEC
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
1kΩ
Stereo 3W Audio Power Amplifiers with
HPF
HPF
1µF
1kΩ
0.68µF
0.68µF
0.68µF
0.68µF
4.5V TO 5.5V
10kΩ
0.1µF
15kΩ
15kΩ
15kΩ
15kΩ
Headphone Drive and Input Mux
17
19
20
15
28
14
5
6
1
2
4.5V TO 5.5V
INT
BIAS
INL1
INL2
INR1
INR2
SCL
SDA
ADD
SHDN
3, 4
18
GND
V
DD
MAX9777
PV
PGND
GAINLB
GAINLA
GAINRA
GAINRB
OUTL+
OUTR+
OUTR-
OUTL-
DD
11, 25
9, 13, 23, 27
HPS
8
7
10
12
26
24
21
22
16
0.047µF
0.047µF
100µF
27.4kΩ
33.2kΩ
33.2kΩ
27.4kΩ
15kΩ
15kΩ
47kΩ
Typical Application Circuits
220µF
220µF
10kΩ
4.5V TO 5.5V
10kΩ
680kΩ
21