MAX9776ETJ+ Maxim Integrated Products, MAX9776ETJ+ Datasheet - Page 14

• 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
14
(V
INC gain = 0dB, volume setting = 0dB, mono path gain = 0dB, SHDN = 1, SSM = 1). Speaker load resistors (R
between OUT_+ and OUT_-, headphone load resistors are terminated to GND, unless otherwise stated. C1 = C2 = C3 = 1µF. T
+25°C, unless otherwise noted.)
DD
-100
-110
-120
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
______________________________________________________________________________________
= PV
0
f
R
GAIN = +3dB
CROSSTALK vs. INPUT AMPLITUDE
IN
L
= 1kHz
= 32Ω
DD
= CPV
INPUT AMPLITUDE (V RMS )
LEFT TO RIGHT
0.4
DD
RIGHT TO LEFT
= 3.3V, GND = PGND = CPGND = 0V, SHDN = V
MUTE-ON RESPONSE
0.8
10ms/div
1.2
MAX9775/76 toc46
Typical Operating Characteristics (continued)
SCL
2V/div
SPEAKER
OUTPUT
50mA/div
HEADPHONE
OUTPUT
2V/div
TURN-ON RESPONSE
10ms/div
MAX9775/76 toc44
DD
, I
2
C default gain settings (INA gain = +20dB, INB gain =
SCL
2V/div
SPEAKER
OUTPUT
50mA/div
HEADPHONE
OUTPUT
2V/div
MUTE-OFF RESPONSE
10ms/div
MAX9775/76 toc47
TURN-OFF RESPONSE
10ms/div
SCL
2V/div
SPEAKER
OUTPUT
50mA/div
HEADPHONE
OUTPUT
2V/div
LSP
) are terminated
MAX9775/76 toc45
SCL
2V/div
A
SPEAKER
OUTPUT
50mA/div
HEADPHONE
OUTPUT
2V/div
=