MAX9778ETI+T Maxim Integrated Products, MAX9778ETI+T Datasheet - Page 21
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MAX9778ETI+T
Manufacturer Part Number
MAX9778ETI+T
Description
IC AMP AUDIO PWR 2.6W AB 28TQFN
Manufacturer
Maxim Integrated Products
Type
Class ABr
Datasheet
1.MAX9777ETIT.pdf
(27 pages)
Specifications of MAX9778ETI+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, 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