MAX9778ETI+T Maxim Integrated Products, MAX9778ETI+T Datasheet - Page 23
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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
µCONTROLLER
TO
10kΩ
AUDIO
AUDIO
AUDIO
AUDIO
INPUT
INPUT
INPUT
INPUT
1kΩ
4.5V TO 5.5V
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
0.68
0.68
0.68
0.68
Stereo 3W Audio Power Amplifiers with
µ
µ
µ
µ
F
F
F
F
1kΩ
15kΩ
15kΩ
15kΩ
15kΩ
1
µ
F
19
17
20
14
28
15
6
2
5
1
INL1
INL2
INR1
INR2
SHDN
BIAS
SCL
SDA
ADD
INT
100
MAX9777
Headphone Drive and Input Mux
µ
F
INPUT
INPUT
LOGIC
MUX
MUX
BIAS
2:1
2:1
11, 25
4.5V TO 5.5V
PV
DD
18
3, 4
GND
V
DD
10k
10k
Ω
10k
Ω
10k
Ω
Ω
0.1
10k
10k
µ
F
PGND
Ω
Ω
10k
10k
9, 13, 23, 27
GAIN
GAIN
MUX
MUX
SET
SET
Ω
Ω
HPS
GAINRB
GAINRA
GAINLB
GAINLA
OUTL+
OUTR+
OUTR-
OUTL-
HPS
8
7
10
12
22
21
24
26
16
Functional Diagrams
15k
15k
Ω
Ω
33.2k
33.2k
Ω
Ω
27.4k
27.4k
0.047µF
0.047µF
220µF
220µF
Ω
Ω
10k
10k
Ω
Ω
23