MAX9722AETE+ Maxim Integrated Products, MAX9722AETE+ Datasheet - Page 16

• Manufacturer Part Number: MAX9722AETE+
• Description: IC AMP AUDIO .13W STER AB 16TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class ABr

Specifications of MAX9722AETE+

• Output Type: Headphones, 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 130mW x 2 @ 32 Ohm
• Voltage - Supply: 2.4 V ~ 5.5 V
• Features: Depop, Differential Inputs, Short-Circuit and Thermal Protection, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 16-TQFN Exposed Pad
• Product: General Purpose Audio Amplifiers
• Output Power: 130 mW
• Common Mode Rejection Ratio (min): - 70 dB
• Thd Plus Noise: 0.009 %
• Supply Current: 5.5 mA
• Maximum Power Dissipation: 1176 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Audio Load Resistance: 16 Ohms
• Input Offset Voltage: 0.5 mV
• Minimum Operating Temperature: - 40 C
• Amplifier Class: AB
• No. Of Channels: 2
• Supply Voltage Range: 2.4V To 5.5V
• Load Impedance: 32ohm
• Operating Temperature Range: -40°C To +85°C
• Amplifier Case Style: TQFN
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

The thin QFN package features an exposed paddle that
improves thermal efficiency of the package. The
MAX9722A/MAX9722B do not require additional
5V, Differential Input, DirectDrive, 130mW
Stereo Headphone Amplifiers with Shutdown
16
______________________________________________________________________________________
2.2kΩ
0.1μF
0.1μF
0.1μF
AUX_IN
BIAS
IN+
IN-
MAX4060
OUT
1μF
CODEC
V
DD
1μF
0.1μF
0.1μF
1μF
1μF
0.1μF
1μF
heatsinking. The exposed paddle can be either connect-
ed to PV
Do not connect to PGND, SGND, PV
15kΩ
15kΩ
SHDN
INL-
INR-
PV
SV
V
DD
DD
DD
C1P
MAX9722B
SS
Q
Q
or a small electrically isolated copper plane.
1μF
INR
V
PV
BIAS
SHDN
INL
DD
DD
MAX961
CIN
V
MAX9710
DD
OUTR
OUTL
PV
SV
INR+
INL+
15kΩ
15kΩ
SS
SS
IN+
IN-
OUTR+
OUTR-
OUTL+
OUTL-
System Diagram
1μF
0.1μF
100kΩ
DD
V
DD
, or SV
100kΩ
DD
V
DD
.
10kΩ
10kΩ