MAX9726BETP+ Maxim Integrated Products, MAX9726BETP+ Datasheet - Page 22

• Manufacturer Part Number: MAX9726BETP+
• Description: IC AMP AUDIO .124W STER 20TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class ABr

Specifications of MAX9726BETP+

• Output Type: Headphones, 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 124mW x 2 @ 16 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: Bass Boost, Depop, I²C, Mute, Short-Circuit and Thermal Protection, Shutdown, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 20-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

DirectDrive, Headphone Amplifier with
BassMax, I
22
______________________________________________________________________________________
μCONTROLLER
μCONTROLLER
FM RADIO IC
FM RADIO IC
AUDIO DAC
0.1μF
0.1μF
1μF
1μF
C
C
C
C
1μF
IN
IN
1μF
IN
IN
C
C
IN
IN
10kΩ
10kΩ
100kΩ
100kΩ
10kΩ
10kΩ
R
R
R
R
IN
IN
IN
IN
10kΩ
10kΩ
R
R
IN
IN
2
10kΩ
10kΩ
C, Volume and Gain Control
100kΩ
100kΩ
R
R
100kΩ
100kΩ
F
F
R
R
1μF
F
1μF
F
SHDN
FBL
FBR
SDA
SCL
INL
INR
C1P
SHDN
FBL
FBR
SDA
SCL
INL
INR
C1P
V
V
DD
DD
1μF
1μF
C1
C1
2.7V TO
2.7V TO
C1N
5.5V
C1N
5.5V
SGND
SGND
MAX9726
C
MAX9726
C
PREG
1μF
PREG
1μF
PGND
PGND
PREG
PREG
PV
C
PV
C
NREG
NREG
1μF
SS
1μF
SS
C3
0.1μF
C2
0.1μF
SV
SV
NREG
OUTL
OUTR
NREG
OUTR
SS
OUTL
BMR
BML
SS
BMR
BML
0.1μF
0.1μF
0.1μF
0.1μF
47kΩ
47kΩ
47kΩ
47kΩ
C3
C3
C3
C3
R1
R1
R1
R1
System Diagrams
R2
22kΩ
R2
22kΩ
R2
22kΩ
R2
22kΩ