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PDF APA0714 Data sheet ( Hoja de datos )
| Número de pieza | APA0714 | |
| Descripción | 3W Mono Fully Differential Audio Power Amplifier | |
| Fabricantes | ANPEC | |
| Logotipo |  |
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APA0714
3W Mono Fully Differential Audio Power Amplifier
Features
• Operating Voltage: 2.4V~5.5V
• Fully Differential Class-AB Amplifier
• High PSRR and Excellent RF Rectification
Immunity
• Low Crosstalk
• 3W
Output
Power
into
3Ω
Load
at
V =5V
DD
• Thermal and Over-Current Protections
• Built-in Feedback Resistors Eliminate
External Components Counts
• Space Saving Package
- MSOP-8
- MSOP-8P
- TDFN3x3-8
• Lead Free and Green Devices Available
(RoHS Compliant)
Applications
• Mobil Phones
• Portable Devices
Simplified Application Circuit
General Description
The APA0714 is a Mono, fully differential Class-AB audio
amplifier which can operate with supply voltage from 2.4V
to 5V and is available in MSOP8, MSOP8P, or TDFN3x3-8
package.
The built-in feedback resistors can minimize the external
component count and save the PCB space. High PSRR
and fully differential architecture increase immunity to
noise and RF rectification. In addition to these features, a
short startup time and small package size make the
APA0714 an ideal choice for Mobil Phones and Portable
Devices.
The APA0714 also integrates the de-pop circuitry that re-
duces the pops and click noises during power on/off and
shutdown mode operation. Both Thermal and over-cur-
rent protections are integrated to avoid the IC to be de-
stroyed by over temperature and short-circuit.
The APA0714 is capable of driving 3W at 5V into 3Ω
speaker.
Pin Configuration
SD 1
BYPASS 2
INP 3
INN 4
MSOP-8
Top View
8 OUTN
7 GND
6 VDD
5 OUTP
Input
LINN
LOUTP
APA0714
LINP
LOUTN
Speaker
SD 1
BYPASS 2
INP 3
INN 4
MSOP-8P
Top View
8 OUTN
7 GND
6 VDD
5 OUTP
SD 1
BYPASS 2
INP 3
INN 4
TDFN3x3-8
TOP View
8 OUTN
7 GND
6 VDD
5 OUTP
=Thermal Pad (connected the Thermal Pad to
GND plane for better heat dissipation)
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and
advise customers to obtain the latest version of relevant information to verify before placing orders.
Copyright © ANPEC Electronics Corp.
Rev. A.2 - Apr., 2010
1
www.anpec.com.tw
Free Datasheet http://www.datasheet4u.com/
1 page  
APA0714
Typical Operating Characteristics
THD+N vs. Output Power
10 RL=3Ω
fin=1kHz
Ci=0.22µF
AV=12dB
BW<80kHz
1
VDD=2.4V
0.1
VDD=3.6V
VDD=5.0V
0.01
10m
100m
1
Output Power (W)
THD+N vs. Output Power
10 RL=8Ω
fin=1kHz
Ci=0.22µF
AV=12dB
BW<80kHz
1
5
VDD=2.4V
0.1
VDD=3.6V
VDD=5.0V
0.01
10m
100m
1
Output Power (W)
3
THD+N vs. Frequency
10
VDD=5.0V
RL=4Ω
Ci=0.22µF
AV=12dB
1 BW<80kHz
THD+N vs. Output Power
10 RL=4Ω
fin=1kHz
Ci=0.22µF
AV=12dB
BW<80kHz
1
VDD=2.4V
0.1
VDD=3.6V
VDD=5.0V
0.01
10m
100m
1
Output Power (W)
THD+N vs. Frequency
10
VDD=5.0V
RL=3Ω
Ci=0.22µF
AV=12dB
1 BW<80kHz
5
0.1 PO=1W
PO=1.7W
0.01
20
100 1k
Frequency (Hz)
10k 20k
THD+N vs. Frequency
10
VDD=5.0V
RL=8Ω
Ci=0.22µF
AV=12dB
1 BW<80kHz
0.1
0.01
20
PO=1W
PO=1.5W
100 1k
Frequency (Hz)
10k 20k
0.1
0.01
20
PO=0.5W
PO=0.9W
100 1k
Frequency (Hz)
10k 20k
Copyright © ANPEC Electronics Corp.
Rev. A.2 - Apr., 2010
5
www.anpec.com.tw
Free Datasheet http://www.datasheet4u.com/
5 Page 
APA0714
Operating Waveforms (Cont.)
Shutdown
VSD
1
VOUTN
2
CH1: VSD, 2V/Div, DC
CH2: VOUTN, 2V/Div, DC
TIME: 20ms/Div
Pin Description
PIN
NO. NAME
1 SD
2 BYPASS
3 INP
4 INN
5 ROUTP
6 VDD
7 GND
8 LOUTN
I/O/P
FUNCTION
I
Shutdown mode control signal input, place left channel speaker amplifier in shutdown mode
when held low.
P Bypass voltage input pin
I
The non-inverting input of amplifier. INP is via a capacitor to Gnd for single-end (SE) input
signal.
I The inverting input of amplifier. INN is used as audio input terminal, typically.
O The positive output terminal of speaker amplifier.
P Supply voltage input pin
P Ground connection for circuitry.
O The negative output terminal of speaker amplifier.
Copyright © ANPEC Electronics Corp.
Rev. A.2 - Apr., 2010
11
www.anpec.com.tw
Free Datasheet http://www.datasheet4u.com/
11 Page | ||
| Páginas | Total 25 Páginas | |
| PDF Descargar | [ Datasheet APA0714.PDF ] | |
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