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PAM8302 Datasheet

Tiny Package 2 Watt Class-D Audio Amplifiers

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PAM8302
Tiny Package 2 Watt Class-D Audio Amplifiers With Enable
DESCRIPTION
The PAM8302 is a 2 Watt, 8-pin, class D audio
amplifier with Enable function, it offers low THD+N
(0.10%), allowing it to produce high-quality sound
reproduction.
The PAM8302 runs off of a 5 Volt supply at much
higher efficiencies than their class AB cousins,
making it ideal for many portable applications.
The PAM8302 only requires very few external
components (as few as two tiny capacitors), results
in significant cost and board space savings.
The PAM8302 is available in a SOP8 package.
TYPICAL APPLICATION CIRCUIT
FEATURES
2 Watts @ 10% THD output into a 4 load at 5V
Support speakers or earphone (4 to 32 ).
With Enable function.
Superior low noise without input.
Supply voltage from 2.5V to 5.5V.
85% efficiency above.
Short Circuit Protection.
Less output capacitor and inductor to save the
space and cost.
Low THD+N
Low quiescent current < 10 mA
APPLICATIONS
Notebook Computers.
PDAs/ GPS Navigator/ e-Dictionary
Portable DVD Players, Game Machines.
Cellular Phones, VoIP Phones, Screen Phones
MP3 or PMP Players.
Portable Speaker System, Portable Amplifier
LCD monitor / TV.
Bluetooth Car-Kit
Vdd
Input
Enable
0.47 F 10K
VDD
+OUT
IN
-OUT
GND
33 H
0.47 F
33 H
0.47 F
Speaker
Power Analog Microelectronics, Inc.
CONFIDENTIAL. DO NOT DISTRIBUTE OR REPRODUCE WITHOUT PERMISSION FROM P.A.M.
CONFIDENTIAL INFORMATION
1
PAM8302 data sheet, Rev. 0.1



PAM
PAM

PAM8302 Datasheet Preview

PAM8302 Datasheet

Tiny Package 2 Watt Class-D Audio Amplifiers

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PAM8302 pdf
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PAM8302
Tiny Package 2 Watt Class-D Audio Amplifiers With Enable
TOP MARKING & PIN CONFIGURATION
8765
AYWW
12 34
SOP8
A Y WW
Weekly
Year
Assembly Location
Pin Description
Pin No.
1
Pin Name
IN_R
2 VDD
3 EN
4 GND
5 NC
6 GND
7 +OUT
8 -OUT
Description
Right channel audio input.
Supply voltage, need a 1uF ceramic
decouple capacitor very close bet
ween this pin to GND pin.
Chip enable, high active.
GNDChip ground.
Not connected
Chip ground.
Non-inverted output
Inverted output
Absolute Maximum Ratings:
Supply voltage: *6V
Input voltage: -0.3V to VDD +0.3V
Operation Temperature range: 40OC to 85OC
Operation junction temperature: -40OC to 125OC
Storage Temperature: -65OC to 150OC
Maximum Junction Temperature: 150OC
Soldering temperature: 250 OC, 10 secretary
Recommended operating Conditions:
Supply voltage Range: 2.5V to 5.5V
Operation Temperature Range: -40OC to 85OC
Junction Temperature Range: -40OC to 125OC
Thermal Information:
Thermal Resistance ( JC):
SOP8: JA 90 OC/W
DIP8
OC/W
*Note: Without input signal.
ORDERING INFORMATION
Ordering
Number
Package
PAM8302S8R SOP-8
Shipping
2,500 Units/ Reel
ELECTRONIC SPECIFICATIONS
PARAMETER
Vdd Range
Vdd Quiescent current
SW On Resistance
SW Frequency
PSRR
Gain
SNR
Input impedance
CONDITION
Each channel
VDD = 5V
No Input Signal
VDD = 2.5V to 5.5V
VDD = 2.5V to 5.5V, 0 input resistor
VDD = 5V, Po = 1.5W, 8 Load
MIN
2.5
100
TYP MAX UNITS
5 5.5 V
10 mA
0.4
500 kHz
-45 dB
10 V/V
60 dB
K
Power Analog Microelectronics, Inc.
CONFIDENTIAL. DO NOT DISTRIBUTE OR REPRODUCE WITHOUT PERMISSION FROM P.A.M.
CONFIDENTIAL INFORMATION
2


Part Number PAM8302
Description Tiny Package 2 Watt Class-D Audio Amplifiers
Maker PAM
Total Page 8 Pages
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