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AAT5102 PDF 데이터시트 ( Data , Function )

부품번호 AAT5102 기능
기능 2.5W/Ch Stereo Class D Audio Power Amplifier
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AAT5102 데이터시트, 핀배열, 회로
DATA SHEET
AAT5102
2.5W/Ch Stereo Class D Audio Power Amplifier
General Description
The AAT5102 is a high efficiency, high performance ste-
reo class D audio amplifier. It is designed to operate in a
wide supply voltage range from 2.5V to 5.5V and is tar-
geted to deliver up to 2.5W output power to a 4Ω load
with× 5V power supply. Efficiency of up to 90.5% makes
it ideal for portable applications.
The AAT5102 has four adjustable amplifier gains with 6,
12, 18 and 24dB programmed by two external pins. Two
shutdown control pins are employed to control the left
and right channels independently.
The AAT5102 also integrates over-temperature protec-
tion circuitry to prevent internal junction temperature
over-heating.
The AAT5102 is offered in a Pb-free, thermally enhanced,
space-saving 1.645mm × 1.645mm 16-pin WLCSP pack-
age and in the 3mm × 3mm 16-pin QFN package, and is
specified for operation over the -40°C to +85°C ambient
temperature range.
Features
Wide Supply Voltage Range (2.5V to 5.5V)
Maximum Battery Life and Minimum Heat
5mA Quiescent Current at 3.6V VDD
<1μA Shutdown Current
Up to 90.5% Efficiency
Output Power at 10% THD+N
2.5W x2 to 4Ω at 5V VDD
1.6W x2 to 8Ω at 5V VDD
High Performance
THD+N of 0.03%, at 5V VDD, 8Ω Load and POUT =
1.0W
SNR of 102dB at 5V VDD, 8Ω Load and 1% THD+N
Shutdown Control
Independent Control per Channel1
Internal 300kΩ Pull-down Resistors
Filter-less Capability
Four Programmable Gains: 6, 12, 18 and 24dB
Thermal Protection
Excellent PSRR
Built-in Pop-click Suppression Circuitry
1.645mm × 1.645mm 16-Pin WLCSP Package
3mm × 3mm 16-Pin QFN Package
Typical Application
Applications
• Cellular Phones
• MP4s
• Notebook Computers
• PDAs
• Portable DVD Players
VDD
2.5 – 5.5V
4.7μF
1μF PVDD AVDD
+ INPL
1μF
OUTNL
- INNL
Audio
1μF
Source +
INPR
1μF
- INNR
OUTPL
OUTNR
OUTPR
AAT5102
Control
SDL
SDR
PGA1
PGA0
PGND
AGND
1. When independent control is used, the device ground and the audio source ground should be connected together.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201877B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012
1




AAT5102 pdf, 반도체, 판매, 대치품
DATA SHEET
AAT5102
2.5W/Ch Stereo Class D Audio Power Amplifier
Electrical Characteristics
VDD=5.0V, CS=4.7μF, CI=1μF, RL=8Ω and Gain=6dB. TA = 25oC unless otherwise noted.
Symbol Description
DC Characteristics
VDD Supply Voltage
VOS Output Offset Voltage
IQ Operation Quiescent Current
ISD(OFF) Shutdown Supply Current
RI Input Impedance
Gain Amplier Closed Loop Voltage Gain
RSD Resistance from SDR/SDL to GND
VIH High-level Input Voltage
VIL Low-level Input Voltage
TSD Over-Temperature Shutdown Threshold
THYS Over-Temperature Shutdown Hysteresis
AC Characteristics
FSW Switch Frequency
POUT
Output Power
η Output Power Efciency
THD+N Total Harmonic Distortion + Noise
VNO
SNR
PSRR
CMRR
TON
TOFF
Noise Output Voltage
Signal to Noise Ratio
Power Supply Ripple Rejection Ratio
Common Mode Ripple Rejection Ratio
Turn-On Time
Turn-Off Time
Conditions
Room Temperature Only
VDD = 5.5V, SDR = SDL = high, No Load
VDD = 3.6V, SDR = SDL = high, No Load
VDD = 2.5V, SDR = SDL = high, No Load
SDR = SDL = low, No load
PGA1 = low, PGA0 = low
PGA1 = low, PGA0 = high
PGA1 = high, PGA0 = low
PGA1 = high, PGA0 = high
PGA1 = low, PGA0 = low
PGA1 = low, PGA0 = high
PGA1 = high, PGA0 = low
PGA1 = high, PGA0 = high
SDR, SDL, PGA1, PGA0
SDR, SDL, PGA1, PGA0
THD+N = 10%, f = 1kHz, RL = 8Ω
THD+N = 1%, f = 1kHz, RL = 8Ω
THD+N = 10%, f = 1kHz, RL = 4Ω
THD+N = 1%, f = 1kHz, RL = 4Ω
VDD = 5.0V, f = 1kHz, POUT = 1.2W
f = 1kHz, RL = 8Ω, Gain = 6dB
VDD = 3.6V, f = 20Hz~20kHz,
Inputs AC-grounded
VDD = 5.0V
VDD = 3.6V
VDD = 5.0V
VDD = 3.6V
VDD = 5.0V
VDD = 3.6V
VDD = 5.0V
VDD = 3.6V
VDD = 5.0V,
POUT = 1W
VDD = 3.6V,
POUT = 0.5W
A-weighting
VDD = 5.0V, f = 1kHz, THD+N = 1%
VDD = 3.6V, VRIPPLE = 200mVpp, f = 217Hz, Inputs
AC-grounded
VDD = 3.6V, VRIPPLE = 1Vpp, f = 217Hz
Min
2.5
-25
-1
5.3
11.3
17.3
23.3
1.5
Typ
5
6.5
5
4.5
0.1
28
14
28
14
6
12
18
24
300
145
15
350
1.61
0.82
1.31
0.66
2.66
1.35
2.13
1.08
90.5
0.03
0.04
26
102
-60
-53
8
12
Max
5.5
25
10
8
7
1
6.7
12.7
18.7
24.7
0.5
Units
V
mV
mA
μA
kΩ
dB
kΩ
V
OC
kHz
W
%
%
V
dB
ms
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
4 201877B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012

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AAT5102 전자부품, 판매, 대치품
Typical Characteristics
Supply Current vs. Output Power
(f = 1kHz; RL = 4Ω + 33μH; Gain = 6dB)
700
600
500
400
300
200
100
0
0
VDD = 2.5V
VDD = 3.6V
VDD = 5.0V
0.5 1.0 1.5 2.0 2.5 3.0
Output Power (W)
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AAT5102
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Supply Current vs. Output Power
(f = 1kHz; RL = 8Ω + 33μH; Gain = 6dB)
400
350
300
250
200
150
100
50
0
0
VDD = 2.5V
VDD = 3.6V
VDD = 5.0V
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
Output Power (W)
THD+N vs. Output Power
(f = 1kHz; RL = 4Ω; Gain = 6dB)
10
1
0.1
0.01
0.001
0.01
0.1 1
Output Power (W)
VDD = 2.5V
VDD = 3.6V
VDD = 5.0V
10
THD+N vs. Output Power
(f = 1kHz; RL = 8Ω; Gain = 6dB)
10
1
0.1
0.01
0.001
0.01
0.1 1
Output Power (W)
VDD = 2.5V
VDD = 3.6V
VDD = 5.0V
10
THD+N vs. Output Power
(f = 1kHz; RL = 4Ω; Gain = 24dB)
10
1
0.1
0.01
0.001
0.01
0.1 1
Output Power (W)
VDD = 2.5V
VDD = 3.6V
VDD = 5.0V
10
THD+N vs. Output Power
(f = 1kHz; RL = 8Ω; Gain = 24dB)
10
1
0.1
0.01
0.001
0.01
0.1 1
Output Power (W)
VDD = 2.5V
VDD = 3.6V
VDD = 5.0V
10
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
201877B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012
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