MAX9728AETC+ Maxim Integrated Products, MAX9728AETC+ Datasheet - Page 14

• Manufacturer Part Number: MAX9728AETC+
• Description: IC AMP AUDIO .06W STER AB 12TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class ABr

Specifications of MAX9728AETC+

• Output Type: Headphones, 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 60mW x 2 @ 32 Ohm
• Voltage - Supply: 4.5 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: 60 mW
• Thd Plus Noise: 0.02 %
• Operating Supply Voltage: 4.5 V to 5.5 V
• Supply Current: 3.5 mA
• Maximum Power Dissipation: 1177 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Amplifier Class: AB
• No. Of Channels: 2
• Supply Voltage Range: 4.5V 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

60mW, DirectDrive, Stereo Headphone
Amplifiers with Shutdown
14
______________________________________________________________________________________
1μF
C1
( ) TSSOP PACKAGE
(3)
(5)
1μF
3
1
C3
C1P
C1N
1μF
4.5V TO 5.5V
PV
C2
(7)
CHARGE
SS
PUMP
4
Functional Diagram/Typical Operating Circuits (continued)
V
12
(2)
DD
SV
9
(12)
SS
OFF
PGND
2
(4)
SHUTDOWN
CONTROL
UVLO/
MAX9728B
5
(8)
SHDN
SGND
7
(10)
ON
AUDIO
INPUT
AUDIO
RIGHT
INPUT
LEFT
0.47μF
0.47μF
C
C
IN
SGND
IN
INR
8
(11)
6
(9)
INL
20kΩ
20kΩ
R
R
IN
IN
*
CLICK-AND-POP
SUPPRESSION
SV
V
V
V
DD
SS
DD
30kΩ
SS
30kΩ
R
F
R
*
F
OUTR
OUTL
11
(1)
10
(14)
HEADPHONE
JACK