MAX9776ETJ+ Maxim Integrated Products, MAX9776ETJ+ Datasheet - Page 18

• 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

2 x 1.5W, Stereo Class D Audio Subsystem
with DirectDrive Headphone Amplifier
18
10kΩ
______________________________________________________________________________________
V
DD
1μF
1μF
C1
C3
1μF
1μF
1μF
1μF
1μF
1μF
1μF
CPGND
CPV
VBIAS
SHDN
INC1
INC2
INA1
INA2
INB1
INB2
C1N
C1P
SDA
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)
INPUT A: 0dB,
6dB, OR 20dB
INPUT C: 0dB
INPUT B: 0dB
CPV
15 (A5) 17 (B5)
CHARGE
OR 6dB
OR 6dB
PUMP
SS
I
2
25 (F6)
C CONTROL
V
SS
GND
MIXER
INPUT
PGND
C2
1μF
4 (D1)
Typical Application Circuits (continued)
VOLUME
VOLUME
VOLUME
MONO
RIGHT
29 (F3)
LEFT
PGND
21 (D6)
V
DD
V
DD
OUTPUT
MIXER
1μF
MAX9776
1 (F1)
V
DD
PV
DD
DirectDrive
AMPLIFIER
CLASS D
3dB
3dB
3dB
12dB
0.1μF
1μF
20 (C6)
16 (A6)
18 (B6)
5 (C1)
2 (E1)
HPL
HPR
OUTRx
OUT+
OUT-