MAX9722AETE+T Maxim Integrated Products, MAX9722AETE+T Datasheet - Page 16
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MAX9722AETE+T
Manufacturer Part Number
MAX9722AETE+T
Description
IC AMP AUDIO .13W STER AB 16TQFN
Manufacturer
Maxim Integrated Products
Series
DirectDrive™r
Type
Class ABr
Datasheet
1.MAX9722AETET.pdf
(21 pages)
Specifications of MAX9722AETE+T
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 %
Operating Supply Voltage
2.4 V to 5.5 V
Supply Current
5.5 mA
Maximum Power Dissipation
1176 mW
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Input Bias Current (max)
50 nA
Input Offset Voltage
0.5 mV
Minimum Operating Temperature
- 40 C
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.4 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
MAX9722AETE+T
MAX9722AETE+TTR
MAX9722AETE+TTR
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