MAX9724BETC+ Maxim Integrated Products, MAX9724BETC+ Datasheet - Page 17

• Manufacturer Part Number: MAX9724BETC+
• Description: IC AMP AUDIO .045W STER 12TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class ABr

Specifications of MAX9724BETC+

• Output Type: Headphones, 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 63mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: Depop, Short-Circuit and Thermal Protection, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 12-TQFN Exposed Pad
• Product: General Purpose Audio Amplifiers
• Output Power: 42 mW
• Thd Plus Noise: 0.02 %
• Supply Current: 3.5 mA
• Maximum Power Dissipation: 1333 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Audio Load Resistance: 16 Ohms
• Minimum Operating Temperature: - 40 C
• Amplifier Class: AB
• No. Of Channels: 2
• Supply Voltage Range: 2.7V To 5.5V
• Load Impedance: 16ohm
• Operating Temperature Range: -40°C To +85°C
• Amplifier Case Style: TQFN
• Rohs Compliant: Yes
• For Use With: MAX9724AEVKIT+ - EVALUATION KIT FOR MAX9724A/BMAX9724DEVKIT+ - KIT EVAL FOR MAX9724D
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

60mW, DirectDrive, Stereo Headphone Amplifier
1μF
C1
( ) UCSP PACKAGE
(C1)
(C3)
1μF
3
1
C3
C1P
C1N
with Low RF Susceptibility and Shutdown
______________________________________________________________________________________
1μF
2.7V TO 5.5V
PV
C2
(C4)
CHARGE
SS
PUMP
4
Functional Diagram/Typical Operating Circuits (continued)
12
(B1)
V
DD
SV
9
(B4)
SS
OFF
PGND
2
(C2)
SHUTDOWN
CONTROL
UVLO/
MAX9724B
5
(A2)
SHDN
SGND
7
(A1)
ON
AUDIO
INPUT
AUDIO
RIGHT
INPUT
LEFT
0.47μF
0.47μF
C
C
IN
SGND
IN
INR
8
(B2)
6
(B3)
INL
20kΩ
20kΩ
R
R
IN
IN
*
CLICK-AND-POP
SUPPRESSION
SV
V
V
V
DD
SS
DD
30kΩ
SS
30kΩ
R
R
F
*
F
OUTR
OUTL
11
(A4)
10
(A3)
HEADPHONE
JACK
17