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PDF APA2618 Data sheet ( Hoja de datos )
| Número de pieza | APA2618 | |
| Descripción | 15W I2C/Digital Volume Class DAudio Power Amplifier | |
| Fabricantes | ANPEC | |
| Logotipo |  |
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APA2618
15W I2C/Digital Volume Class D Audio Power Amplifier With AGC Function
Features
General Description
• Operating Voltage: 8V~26V
• Filter-free Class-D Amplifier
• High Efficiency 90% at Po=15W, 8Ω Speaker,
The APA2618 is a stereo, high efficiency, filter-free Class-
D audio power amplifier with stereo Cap-free Class-AB
headphone driver.
V =16V
DD
• Low Shutdown Current
The Class-D power amplifier has very high efficiency com-
pare to the tradition Class-AB power amplifier. And the
- ISD=100µA at VDD=16V
• Fast Startup Time (40 ms)
filter-free Class-D architecture eliminates the output filter
compare to the traditional Class-D audio amplifier. The
• High PSRR: 60 dB at 1kHz
I2C/ Digital volume is flexible for gain control. And the 128
• 128 steps I2C/Digital Volume control
steps volume provide the precision gain control.
• Gain control range from 36dB to -80dB
The APA2618 power amplifier is capable of driving 15W
(for Speaker)
• Gain control range from 18.5 dB to -80dB
at VDD=16V into 8Ω speaker the headphone drivers can
provide 30mW into 32Ω headphone, The APA2618 pro-
• (for Headphone/Line-Driver)
vides thermal and over current protections.
Line-Out can reach 2Vrms/ch Voltage Swing into
2.5kΩ
• Auto Gain Control function
• Build-in Oscillator
• Thermal and Over-Current Protections with
Auto-Recovery
• TQFN 5x5-40 Pin Space Saving Packages
Applications
• LCD TVs
• Projector
• Active Speaker
• Blue-tooth speaker
Simplified Application Circuit
Stereo Input
Signals
Digital Volume
Control
I2C Control
HP/SPK
Signal
APA2618
ROUTN
ROUTP
LOUTN
Volume
LOUTP
SCL
SDA
HP_ROUTP
HP/SPK
HP_LOUTP
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.3 - Nov., 2014
1
www.anpec.com.tw
1 page  
APA2618
STEREO MODE
VDD=12V, TA=25 C, AV=20dB
Symbol
Parameter
Po Output Power
THD+N
Total Harmonic
Distortion Pulse Noise
Crosstalk
PSRR
SNR
Attshutdown
|VOS|
Vn
Channel separation
Power Supply
Rejection Ratio
Signal-to-noise ratio
Shutdown Attenuation
Offset Voltage
Noise Output Voltage
Test Condition
THD+N = 1%,
FIN = 1KHz
RL = 4Ω
RL = 8Ω
THD+N = 10%,
FIN = 1kHz
RL = 4Ω
RL = 8Ω
FIN = 1kHz
PO= 7W, RL = 4Ω
PO= 5W, RL = 8Ω
PO(ref)= PO @ THD + N = 1% , FIN = 1kHz
10
Inputs AC ground, Vpp=200mV ripple
at 1kHz
Maximum output at THD+N<1%,
FIN=1kHz, Gain = 20dB, A-weighted
FIN = 1kHz, RL = 8Ω, Vin= 1VPP
Vin = 0 V, Gain = 36 dB
Input AC ground,
With A-weighted Filter (AV=6dB)
Min.
-
-
-
-
-
-
-80
-
-85
-
-
-
Typ.
13.5
8
17
10
0.1
0.06
-90
-60
-90
-115
1.5
200
Max.
-
-
-
-
-
-
-
Unit
W
%
-
-
-100
15
-
dB
mV
µV (rms)
MONO MODE
VDD=12V,TA=25 C
Symbol
Parameter
Po Output Power
THD+N
PSRR
SNR
Attshutdown
|VOS|
Vn
Total Harmonic
Distortion Pulse Noise
Power Supply
Rejection Ratio
Signal-to-noise ratio
Shutdown Attenuation
Offset Voltage
Noise Output Voltage
Test Condition
THD+N = 1%, FIN = 1KHz RL = 4Ω
THD+N = 10%, FIN = 1KHz RL = 4Ω
VDD=12V
FIN = 1kHz, PO= 10W, RL = 4Ω
Inputs AC ground, Vpp=200mV ripple at
1kHz
Maximum output at THD+N<1%,
FIN=1kHz, Gain = 20dB, A-weighted
FIN = 1kHz, RL = 8Ω, Vin= 1Vrms
Vin = 0 V, Gain = 36 dB
Input AC ground,
With A-weighted Filter (AV=6dB)
Min.
-
-
-85
Typ.
15
18.5
0.1
-50
-90
-115
1.5
250
Max.
-
-
-
-
-100
15
Unit
W
%
dB
mV
µV (rms)
Copyright © ANPEC Electronics Corp.
Rev. A.3 - Nov., 2014
5
www.anpec.com.tw
5 Page 
APA2618
Block Diagram
RIN
BYPASS
LIN
R_PREO
R_HPIN
GND
L_HPIN
L_PREO
SDA(I2C)
SCL(I2C)
HP/SPK
MONO
R_PREO
Gate
Drive
BYPASS
L_PREO
Gate
Drive
Gate
Drive
Gate
Drive
Volume
Control
-
+
+
-
Serial
Control
Register
Bank
Control Logic
GND
3V3LDO
HPVSS
LDO
3V3LDO
Charge
Pump
RST SD UVP PVSS 3V3LDO 5VLDO AVDD
RPVDD
ROUTP
PGND
ROUTN
RPVDD
LPVDD
LOUTP
PGND
LOUTN
LPVDD
AGND
RHPOUT
LHPOUT
HPVSS
CPN
CPP
CPGND
Copyright © ANPEC Electronics Corp.
Rev. A.3 - Nov., 2014
11
www.anpec.com.tw
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet APA2618.PDF ] | |
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