MAX9776ETJ+ Maxim Integrated Products, MAX9776ETJ+ Datasheet - Page 17

IC AMP AUDIO PWR 1.5W D 32TQFN

MAX9776ETJ+

Manufacturer Part Number
MAX9776ETJ+
Description
IC AMP AUDIO PWR 1.5W D 32TQFN
Manufacturer
Maxim Integrated Products
Series
DirectDrive™r
Type
Class Dr
Datasheet

Specifications of MAX9776ETJ+

Output Type
1-Channel (Mono) with Stereo Headphones
Max Output Power X Channels @ Load
1.5W x 1 @ 4 Ohm; 60mW x 2 @ 16 Ohm
Voltage - Supply
2.7 V ~ 5.5 V
Features
Depop, Differential Inputs, I²C, Mute, Short-Circuit and Thermal Protection, Shutdown, Volume Control
Mounting Type
Surface Mount
Package / Case
32-TQFN Exposed Pad
Product
Class-D
Output Power
1.5 W
Common Mode Rejection Ratio (min)
45 dB
Thd Plus Noise
0.04 %
Operating Supply Voltage
2.7 V to 5.5 V
Supply Current
9.5 mA
Maximum Power Dissipation
1360 mW
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.7 V
Amplifier Class
D
No. Of Channels
3
Supply Voltage Range
2.7V To 5.5V
Load Impedance
4ohm
Operating Temperature Range
-40°C To +85°C
Amplifier Case Style
TQFN
Rohs Compliant
Yes
For Use With
MAX9776EVKIT+ - EVALUATION KIT FOR MAX9776
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
10kΩ
V
DD
1μF
1μF
C1
C3
1μF
2 x 1.5W, Stereo Class D Audio Subsystem
1μF
1μF
1μF
1μF
1μF
1μF
CPGND
CPV
VBIAS
SHDN
INA1
INB2
INC1
INC2
INA2
INB1
______________________________________________________________________________________
C1N
SDA
C1P
SCL
DD
13 (A4)
12 (A3)
10 (A2)
9 (A1)
30 (E3)
27 (E4)
24 (E5)
22 (D5)
14 (B4)
19 (C5)
11 (B3)
6 (C2)
3 (D2)
32 (E2)
with DirectDrive Headphone Amplifier
25 (F6)
INPUT A: 0dB,
6dB, OR 20dB
INPUT B: 0dB
INPUT C: 0dB
CPV
15 (A5) 17 (B5)
CHARGE
GND
OR 6dB
OR 6dB
PUMP
SS
I
2
C CONTROL
PGND
V
SS
4 (D1)
MIXER
INPUT
C2
1μF
29 (F3)
PGND
VOLUME
VOLUME
VOLUME
21 (D6)
RIGHT
MONO
LEFT
V
DD
V
DD
OUTPUT
MIXER
1μF
23 (E6)
CR_L
2.2nF
1 (F1)
V
MAXIM 3D
DD
SOUND
PV
3D CIRCUIT
26 (F5)
Typical Application Circuits
MAX9775
DD
CR_H
22nF
DirectDrive
3dB
3dB
3dB
0.1μF
7 (B1)
AMPLIFIER
AMPLIFIER
CL_L
2.2nF
CLASS D
CLASS D
12dB
12dB
1μF
8 (B2)
CL_H
22nF
20 (C6)
16 (A6)
18 (B6)
28 (F4)
31 (F2)
5 (C1)
2 (E1)
HPL
HPR
OUTRx
OUTL+
OUTL-
OUTR+
OUTR-
17

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