MAX9761ETI+ Maxim Integrated Products, MAX9761ETI+ Datasheet - Page 24

• Manufacturer Part Number: MAX9761ETI+
• Description: IC AMP AUDIO PWR 3W STER 28TQFN
• Manufacturer: Maxim Integrated Products
• Type: Class ABr

Specifications of MAX9761ETI+

• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 3W x 2 @ 3 Ohm; 200mW x 2 @ 16 Ohm
• Voltage - Supply: 4.5 V ~ 5.5 V
• Features: Depop, Input Multiplexer, Mute, Shutdown, Thermal Protection,
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Stereo 3W Audio Power Amplifiers with
Headphone Drive and Input Mux
24
______________________________________________________________________________________
INR1
INR2
INL1
INL2
BIAS
SHDN
MUTE
HP_EN
GAINA/B
IN1/IN2
INPUT
INPUT
MUX
MUX
BIAS
2:1
2:1
LOGIC
MAX9761
PV
DD
V
DD
10k
10k
Ω
10k
Ω
10k
GND
Ω
Ω
SV
DD
10k
10k
Functional Diagrams (continued)
Ω
Ω
10k
10k
GAIN
MUX
GAIN
MUX
SET
SET
Ω
Ω
HPS
GAINRB
GAINRA
GAINLB
GAINLA
OUTL+
OUTR+
OUTR-
OUTL-
HPS