APA7063
Stereo 1.5W Audio Power Amplifier with DC Volume Control
Features |
General Description |
•Operating Voltage: 3.3V to 5V
•DC Volume Control Interface, 0dB to –105dB
•Depop Circuitry Integrated
•Thermal shutdown protection circuitry
•High supply voltage ripple rejection
•Low Supply Current, IDD = 13mA at Stereo BTL
•Low Shutdown Current, IDD = 0.7µA
•Bridge-Tied Load (BTL) or Single-Ended-(SE)
Modes Operation
•Output Power at 1% THD+N, VDD=5V
-1.2 W/Ch (typ) into an 8Ω Load
•Output Power at 10% THD+N, VDD=5V
-1.5 W/Ch (typ) into an 8Ω Load
•Low Crossover Distortion
•Low Quiescent Current
•Bridge-tied or Stereo(Single-ended) Configurations
The APA7063 is a monolithic integrated circuit that provides DC volume control, and a stereo bridged audio power amplifiers capable of producing 1.5W(1.2W) into 8Ω with less than 10%(1.0%) THD+N. APA7063 provides a volume control pin DC_Vol determines the attenuation of output of the amplifiers. The attenuator range is from 0dB (DC_Vol=0.7VDD) to –105dB (DC_Vol=0V) with 32 steps. Both of the depop circuitry and the thermal shutdown protection circuitry are integrated in the APA7063, that reduces pops and clicks noise during power up and when using the shutdown modes and protects the chip from being destroyed by over temperature failure. To simplify the audio system design applications, the APA7063 combines a stereo bridge-tied loads (BTL) mode for speaker drive and a stereo single-end (SE) mode for headphone drive into a single chip, where both modes are easily switched by the SE/BTL input control pin signal. The APA7063 also features a shutdown function which keeps the supply current only 0.7µA (typ).
Applications
•Portable and Desktop Computers
•Multimedia Monitors
•Portable Radios, PDAs, and Portable TVs
Pin Description
SHUTDOWN |
1 |
16 |
VCC |
2 |
15 |
DC Vol |
3 |
14 |
Vo1 |
4 |
13 |
Vin1 |
5 |
12 |
Vin2 |
6 |
11 |
Vo2 |
7 |
10 |
GND |
8 |
9 |
+ OUT1
VCC
-OUT1 Bypass SE/BTL
-OUT2
VCC
+ OUT2
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. |
1 |
www.anpec.com.tw |
Rev. A.5 - Mar., 2003 |
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APA7063
Ordering and Marking Information
A P A 7 063 |
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P ackag e C ode |
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H andlin g C ode |
J : P D IP - 16 |
K : S O P - 16 |
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T em p . R ange |
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T em p . R ange |
I : - 40 to 85 ° C |
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H andlin g C ode |
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P ackag e C ode |
T U : T ube |
T R : T ape & R eel |
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A P A 70 63 J : |
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A P A 70 63 |
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X X X X X - D ate C ode |
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X X X X X |
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A P A 70 63 K : |
A P A 70 63 |
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X X X X X - D ate C ode |
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X X X X X |
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Block Diagram
SE/BTL |
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10KΩ |
10KΩ |
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Vo1 |
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- |
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+ OUT1 |
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+ |
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20KΩ |
20KΩ |
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- |
- OUT1 |
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+ |
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Vin1 |
- |
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+ |
Volume |
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Bias |
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Control |
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32 steps |
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Vin2 |
+ |
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- |
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Vo2 |
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Shutdown |
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+ |
- OUT2 |
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- |
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VCC |
Power |
20KΩ |
20KΩ |
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GND |
Management |
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+ |
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+ OUT2 |
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Bypass |
Click and Pop |
- |
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10KΩ |
10KΩ |
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Suppression |
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Circuitry |
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Absolute Maximum Ratings
(Over operating free-air temperature range unless otherwise noted.)
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Symbol |
Parameter |
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Rating |
Unit |
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VDD |
Supply Voltage |
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6 |
V |
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TA |
Operating Ambient Temperature Range |
-40 to 85 |
° C |
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TJ |
Maximum Junction Temperature |
150 |
° C |
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TSTG |
Storage Temperature Range |
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-65 to +150 |
° C |
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TS |
Soldering Temperature,10 seconds |
260 |
° C |
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VESD |
Electrostatic Discharge |
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-2000 to 2000*1 |
V |
Copyright ANPEC Electronics Corp. |
2 |
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www.anpec.com.tw |
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Rev. A.5 - Mar., 2003 |
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APA7063
Electical Characteristics
Electrical Characteristics for Entire IC
The following specifications apply for VDD= 5V unless otherwise noted. Limits apply for |
TA= 25°C |
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Symbol |
Parameter |
Test Conditions |
APA7063 |
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Unit |
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Min. |
Typ. |
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Max. |
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VDD |
Supply Voltage |
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3.3 |
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5.5 |
V |
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IDD |
Quiescent Power Supply |
VIN=0V, IO=0A |
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13 |
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25 |
mA |
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Current |
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ISD |
Shutdown Current |
VPIN 2= VDD |
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0.7 |
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2.0 |
µ A |
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VIH |
SE/BTL High Input Voltage |
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4 |
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V |
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VIL |
SE/BTL Low Input Voltage |
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0.8 |
V |
Electrical Characteristics for Volume Attenuators
The following specifications apply for VDD= 5V. Limits apply for TA= 25°C
Symbol |
Parameter |
Test Conditions |
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APA7063 |
Unit |
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Min. |
Typ. |
Max. |
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CRANGE |
Attenuator Range |
Gain with VpIN 3=5V |
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±0.5 |
dB |
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Attenuation with VpIN 3=0V |
-100 |
-105 |
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Electrical Characteristics for BTL Mode Operation
The following specifications apply for VDD= 5V unless otherwise noted. Limits apply for |
TA= 25°C |
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Symbol |
Parameter |
Test Conditions |
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APA7063 |
Unit |
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Typ. |
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VOS |
Output Offset Voltage |
VIN=0V |
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5 |
mV |
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PO |
Output Power |
THD=1%, f=1kHz |
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RL=8Ω |
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1.2 |
W |
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THD=10%, f=1kHz |
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RL=8Ω |
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1.5 |
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THD+N |
Total Harmonic Distortion + Noise |
AVD=2, 20Hz<f<20kHz, RL=8Ω |
, PO |
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=1W |
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0.3 |
% |
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PO =340mW, RL=32Ω |
, |
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1.0 |
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RSRR |
Power Supply Rejection Ratio |
VRIPPLE=200mVRms , RL=8Ω |
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74 |
dB |
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CB=2.2µ F, f=120Hz |
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XTALK |
Channel Separation |
f=1kHz , CB=2.2µ F |
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95 |
dB |
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VN |
Output Noise Voltage |
RL=8Ω ,A-Wtd Filter |
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40 |
uV |
Copyright ANPEC Electronics Corp. |
3 |
www.anpec.com.tw |
Rev. A.5 - Mar., 2003 |
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APA7063
Electical Characteristics (Cont.)
Electrical Characteristics for SE Mode Operation
The following specifications apply for VDD= 5V unless otherwise noted. Limits apply for TA= 25°C
Symbol |
Parameter |
Test Conditions |
APA7063 |
Unit |
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Typ. |
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VDS |
Output Offset Voltage |
VIN=0V, |
100 |
mV |
PO |
Output Power |
THD=1%, f=1KHZ, RL=32KΩ |
95 |
mW |
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THD=10%, f=1KHZ, RL=32K Ω |
100 |
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THD+N |
Total Harmonic Distortion plus |
AV= 1,VOUT=1 VRMS, f=1KHZ, RL=1K Ω |
0.01 |
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Noise |
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PO= 75mW, RL=32KΩ , Av=1, f=1KHZ |
0.05 |
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RSRR |
Power Supply Rejection Ratio |
VRIPPLE= 200mVRMS, f=120Hz,CB=2.2µ F |
58 |
dB |
XTALK |
Channel Separation |
f=1KHZ, CB=2.2µ F |
95 |
dB |
VN |
Output Noise Voltage |
RL=1KΩ , A-Wtd Filter |
30 |
uV |
Pin Description
Pin Name |
No |
I/O |
Description |
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Shutdown |
1 |
1 |
Shutdown mode control signal input, place entire IC in shutdown mode |
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when held high, Idd=0.7uA. |
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VDD |
2,10,15 |
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Supply voltage input pin. |
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DC_Vol |
3 |
I |
Volume control function input pin. |
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Vo1 |
4 |
O |
Channel 1 output for external feedback circuit. |
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Vin1 |
5 |
I |
Audio input channel 1 |
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Vin2 |
6 |
I |
Audio input channel 2 |
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Vo2 |
7 |
O |
Channel 2 output for external feedback circuit. |
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GND |
8 |
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Ground connection for circuitry. |
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+OUT2 |
9 |
O |
Channel 2 positive output in BTL mode and high impedance state in SE |
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mode. |
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-OUT2 |
11 |
O |
Channel 2 negative output in BTL mode and in SE mode. |
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SE/BTL |
12 |
I |
Mode control signal input, hold low for BTL mode, hold high for SE mode. |
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Bypass |
13 |
I |
Connect to voltage divider for internal mid_supply bias |
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-OUT2 |
14 |
O |
Channel 1 negative output in BTL mode and in SE mode. |
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+OUT1 |
16 |
O |
Channel 1 positive output in BTL mode and high impedance state in SE |
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mode. |
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Copyright ANPEC Electronics Corp. |
4 |
www.anpec.com.tw |
Rev. A.5 - Mar., 2003 |
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APA7063
Typical Application Circuit
#8
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R_var |
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1µ F |
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220µ F |
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r*=R_var/50 |
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Shutdown |
+OUT1 |
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VCC |
VCC |
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1kΩ |
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DC_Vol |
-OUT1 |
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R-ch |
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20kΩ |
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R-in |
1µ F |
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20kΩ |
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Vo1 |
Vbypass |
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100kΩ |
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Vi1 |
SE/BTL |
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L-in |
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20kΩ |
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100kΩ |
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Vi2 |
-OUT2 |
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1 |
µ F |
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20kΩ |
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Vo2 |
VCC |
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GND |
+OUT2 |
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L-ch |
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Headphone jack |
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APA7063 |
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220µ F |
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1kΩ |
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* Add a resistor to avoid volume control gain error at power on status. For the R_var with 10KΩ variable resistor, the recommended value of r is in range of 100~200Ω .
Copyright ANPEC Electronics Corp. |
5 |
www.anpec.com.tw |
Rev. A.5 - Mar., 2003 |
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|
APA7063
Typical Characteristics
(%) |
10 |
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Distortion+Noise |
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5 |
VDD=5V |
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RL=8Ω |
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2 |
Po=1.0W |
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BTL |
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1 |
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0.5 |
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Harmonic |
0.2 |
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0.1 |
AV=8 |
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AV=2 |
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0.05 |
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THD+N-Total |
0.02 |
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AV=4 |
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0.01 |
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20 |
50 |
100 |
200 |
500 |
1k |
2k |
5k |
10k |
20k |
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Frequency (Hz)
(%) |
10 |
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Distortion+Noise |
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5 |
VDD=5V |
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RL=8Ω |
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2 |
BTL |
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1 |
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0.5 |
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f=20kHz |
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Harmonic |
0.2 |
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0.1 |
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f=1kHz |
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0.05 |
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f=20Hz |
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THD+N-Total |
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0.02 |
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0.01 |
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10m |
20m |
50m |
100m |
200m |
500m |
1 |
2 |
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Output Power (W)
(%) |
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Distortion+Noise |
5 |
VDD=5V |
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RL=16Ω |
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2 |
Po=0.5W |
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BTL |
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1 |
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0.5 |
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Harmonic |
0.2 |
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0.1 |
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AV=4 |
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AV=2 |
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0.05 |
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THD+N-Total |
0.02 |
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AV=8 |
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0.01 |
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20 |
50 |
100 |
200 |
500 |
1k |
2k |
5k |
10k |
20k |
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Frequency (Hz)
(%) |
10 |
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Distortion+Noise |
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5 |
VDD=5V |
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RL=16Ω |
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2 |
BTL |
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1 |
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0.5 |
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f=20kHz |
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Harmonic |
0.2 |
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0.1 |
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0.05 |
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f=1kHz |
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THD+N-Total |
0.02 |
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f=20Hz |
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0.01 |
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10m |
20m |
50m |
100m |
200m |
500m |
1 |
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Output Power (W)
Copyright ANPEC Electronics Corp. |
6 |
www.anpec.com.tw |
Rev. A.5 - Mar., 2003 |
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