MAX9728AETC+ Maxim Integrated Products, MAX9728AETC+ Datasheet - Page 11

IC AMP AUDIO .06W STER AB 12TQFN

MAX9728AETC+

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

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
Figure 4. MAX9728A Line-Out Amplifier and Filter Block Configuration
Figure 5. Frequency Response of Active Filter of Figure 4
-10
-15
-20
-25
-30
-35
10
-5
5
0
1k
MAX9728A ACTIVE FILTER GAIN
______________________________________________________________________________________
STEREO
DAC
60mW, DirectDrive, Stereo Headphone
vs. FREQUENCY
10k
FREQUENCY (Hz)
LEFT
AUDIO
INPUT
RIGHT
AUDIO
INPUT
100k
1μF
1μF
R
L
= 10kΩ
7.5kΩ
7.5kΩ
1.2nF
1.2nF
1M
7.5kΩ
7.5kΩ
Amplifier with Shutdown
INL
INR
15kΩ
15kΩ
MAX9728A
220pF
220pF
OUTR
OUTL
10kΩ
10kΩ
LINE-IN DEVICE
11

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