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

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

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-
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