MAX9770ETI+ Maxim Integrated Products, MAX9770ETI+ Datasheet - Page 20

• Manufacturer Part Number: MAX9770ETI+
• Description: IC AMP AUDIO 1.2W MONO D 28TQFN
• Manufacturer: Maxim Integrated Products
• Type: Class Dr

Specifications of MAX9770ETI+

• Output Type: 1-Channel (Mono) with Stereo Headphones
• Max Output Power X Channels @ Load: 1.2W x 1 @ 8 Ohm; 80mW x 2 @ 16 Ohm
• Voltage - Supply: 2.5 V ~ 5.5 V
• Features: Depop, Input Multiplexer, Mute, Short-Circuit and Thermal Protection, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1.2W, Low-EMI, Filterless, Mono Class D Amplifier
with Stereo DirectDrive Headphone Amplifiers
20
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PROCESSOR
AUDIO DAC
BASEBAND
FM RADIO
MODULE
V
V
0.47μF
0.47μF
0.47μF
0.47μF
1μF
DD
DD
1μF
MONO
SHDN
SEL1
SELM
GAIN1
GAIN2
IN1R
IN1L
IN2R
IN2L
SEL2
V
DD
GND
2.5V TO 5.5V
MAX9770
PV
DD
PGND
HPV
HPOUTL
HPOUTR
CPGND
CPV
CPV
OUT+
DD
OUT-
SV
BIAS
HPS
C1N
C1P
SS
SS
DD
1μF
1μF
0.047μF
System Diagram
1μF
1μF
2.5V TO 5.5V