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PAM8303D 데이터시트 PDF




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부품번호 PAM8303D 기능
기능 3W FILTERLESS MONO CLASS-D AUDIO POWER AMPLIFIER
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PAM8303D 데이터시트, 핀배열, 회로
A Product Line of
Diodes Incorporated
PAM8303D
ULTRA LOW EMI, 3W FILTERLESS
MONO CLASS-D AUDIO POWER AMPLIFIER
Description
The PAM8303D is a 3W mono filterless Class-D amplifier with high
PSRR and differential input that eliminate noise and RF rectification.
Features like 90% efficiency and small PCB area make the
PAM8303D Class-D amplifier ideal for cellular handsets. The filterless
architecture requires no external output filter, fewer external
components, less PCB area and lower system costs, and simplifies
application design.
The PAM8303D features short circuit protection and thermal
shutdown.
The PAM8303D is available in MSOP-8 and DFN3x3 8-pin packages.
Pin Assignments
Features
Ultra Low EMI, -20dB Better Than FCC Class-B @ 300MHz
High Efficiency up to 90% @1W with an 8Speaker
Shutdown Current <1µA
3W@10% THD Output with a 4Load at 5V Supply
Demanding Few External Components
Superior Low Noise without Input
Supply Voltage from 2.8V to 5.5V
Short Circuit Protection
Thermal Shutdown
Available in Space Saving Packages: MSOP-8, DFN3x3-8
Pb-Free Package
Applications
Cellular Phones/Smart Phones
MP4/MP3
GPS
Digital Photo Frame
Electronic Dictionary
Portable Game Machines
PAM8303D
Document number: DSxxxxx Rev. 1 - 7
1 of 16
www.diodes.com
November 2012
© Diodes Incorporated




PAM8303D pdf, 반도체, 판매, 대치품
A Product Line of
Diodes Incorporated
PAM8303D
Electrical Characteristics (@TA = +25°C, VDD = 5V, Gain = 2V/V, RL = L(33µH) + R + L(33µH), unless otherwise specified.)
Symbol
Parameter
VDD Supply Voltage
PO Output Power
THD+N
Total Harmonic Distortion Plus
Noise
PSRR Power Supply Ripple Rejection
Dyn
VN
CMRR
η
Dynamic Range
Output Noise
Common Mode Rejection Ratio
Peak Efficiency
IQ Quiescent Current
ISD Shutdown Current
RDS(ON)
Static Drain-to-Source
On-State Resistor
RIN Input Resistance
fSW Switching Frequency
GV Closed Loop Gain
VOS Output Offset Voltage
VIH Enable Input High Voltage
VIL Enable Input Low Voltage
Test Conditions
THD+N = 10%, f = 1KHz, R = 4
THD+N = 1%, f = 1KHz, R = 4
THD+N = 10%, f = 1KHz, R = 8
THD+N = 1%, f = 1KHz, R = 8
VDD = 5.0V, PO = 1W, R = 8
VDD = 3.6V, PO = 0.1W, R = 8
VDD = 3.2V, PO = 0.1W, R = 8
VDD = 5.0V, PO = 0.5W, R = 4
VDD = 3.6V, PO = 0.2W, R = 4
VDD = 3.2V, PO = 0.1W, R = 4
VDD = 3.6V, Inputs AC-Grounded
with CIN = 1µF
VDD = 5V, THD = 1%, R = 8
Inputs AC-Grounded
VIC = 100m, VPP, f =1kHz
RL = 8, THD = 10%
RL = 4, THD = 10%
VDD = 5.0V
VDD = 3.6V
VDD = 3.0V
VDD = 3.0V to 5.0V
CSP Package, High Side PMOS
plus Low Side NMOS,
I = 500mA
MSOP/DFN package,
High Side PMOS plus
Low Side NMOS, I = 500mA
VDD = 5.0V
VDD = 3.6V
VDD = 3.2V
VDD = 5.0V
VDD = 3.6V
VDD = 3.2V
VDD = 5.0V
VDD = 3.6V
VDD = 3.2V
VDD = 5.0V
VDD = 3.6V
VDD = 3.2V
f = 1kHz
f = 1kHz
f = 217Hz
f = 1kHz
f = 10kHz
f = 1kHz
No A-Weighting
A-Weighting
f = 1kHz
R = 8
VSD = 0.3V
VDD = 5.0V
VDD = 3.6V
VDD = 3.0V
VDD = 5.0V
VDD = 3.6V
VDD = 3.0V
VDD = 3V to 5V
VDD = 3V to 5V
Input AC-Ground, VDD = 5V
VDD = 5V
VDD = 5V
Min Typ Max
2.8 5.5
2.85 3.00
1.65 1.80
1.20 1.35
2.50 2.66
1.15 1.30
0.85 1.0
1.65 1.80
0.75 0.90
0.55 0.70
1.3 1.5
0.55 0.72
0.40 0.55
0.28 0.35
0.40 0.45
0.55 0.60
0.20 0.25
0.35 0.40
0.5 0.55
-63 -55
-62 -55
-52 -40
85 95
50 100
30 60
40 63
85 90
80 86
7.5 10
4.6 7.0
3.6 5.0
0.5 2.0
280 350
300 375
325 400
365 420
385 450
410 500
150
200 250 300
300k/RI
10
50
1.5
0.3
Units
V
W
W
W
W
%
%
dB
µV
dB
%
mA
µA
K
KHz
dB
mV
V
V
PAM8303D
Document number: DSxxxxx Rev. 1 - 7
4 of 16
www.diodes.com
November 2012
© Diodes Incorporated

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PAM8303D 전자부품, 판매, 대치품
A Product Line of
Diodes Incorporated
PAM8303D
Typical Performance Characteristics (cont.) (@TA = +25°C, VDD = 5V, f = 1kHz, Gain = 2V/V, unless otherwise specified.)
PAM8303D
Document number: DSxxxxx Rev. 1 - 7
7 of 16
www.diodes.com
November 2012
© Diodes Incorporated

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