MAX9766ETJ+T Maxim Integrated Products, MAX9766ETJ+T Datasheet - Page 28

• Manufacturer Part Number: MAX9766ETJ+T
• Description: IC AMP AUDIO .75W MONO AB 32TQFN
• Manufacturer: Maxim Integrated Products
• Type: Class ABr

Specifications of MAX9766ETJ+T

• Output Type: 1-Channel (Mono) with Stereo Headphones
• Max Output Power X Channels @ Load: 750mW x 1 @ 4 Ohm; 65mW x 2 @ 16 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: Depop, I²C, Input Multiplexer, Microphone, Mute, Short-Circuit and Thermal Protection, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 32-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

750mW Audio Amplifiers with Headphone Amp,
Microphone Preamp, and Input Mux
28
0.1µF
*C
SVDD
______________________________________________________________________________________
IS ONLY REQUIRED IF LOW CLICK-AND-POP LEVELS ARE NECESSARY DURING POWER-DOWN.
AUDIO
INPUT
AUDIO
INPUT
AUDIO
AUDIO
INPUT
INPUT
2.2kΩ
0.47µF
0.47µF
0.47µF
0.47µF
0.1µF
15kΩ
2.2kΩ
15kΩ
15kΩ
1µF
0.1µF
0.1µF
15kΩ
AUXIN
SHDN
BIAS
INL1
INL2
INR1
INR2
SDA
SCL
MICBIAS
MICIN-
MICIN+
INPUT
LOGIC
MUX
BIAS
INPUT
2:1
MUX
I
2:1
2
C
0.1µF
BIAS
MIC
PV
DD
V
DD
15kΩ
15kΩ
GND
15kΩ
V
DD
SV
Functional Diagrams (continued)
MAX9766
DD
15kΩ
15kΩ
OUTPUT
MUX
2:1
15kΩ
*
C
SVDD
GAIN
MUX
GAINM
OUTL-
HPS
OUTL+
GAINR
GAINL
OUTR
HPS
MICOUT+
MICOUT-
15kΩ
15kΩ
47kΩ
220µF
15kΩ
220µF
10kΩ
V
DD
680kΩ