APA2020
Recommended Operating Conditions
Min. Typ. Max. Unit
Supply Voltage, VDD
3
5
5.5
V
VDD=5V,
4- stereo BTL drive,
Ω
Operating free-air
temperature, TA
-20
85
250mW/Ch average power, with proper PCB
design
C
°
VDD=5V,
3- stereo BTL drive,
Ω
-20
85
2 W/Ch average power,
with proper PCB design
and 300 CFM
forced-air cooling
Common mode
input voltage, VICM
VDD=5 V
1.25
1.25
4.5
2.7
V
VDD=3.3V
Electrical Characteristics (Cont.)
AC Operating Characteristics , VDD= 5V , TA= 25°C , RL= 4Ω (unless otherwise noted)
APA2020
Symbol
Parameter
Test Condition
Unit
.
Min. Typ Max.
P(out) Output power (each channel )
see Note 1
2.3
THD = 10% , BTL , RL=4
RL=8
Ω
1.5
1.8
Ω
W
THD = 1% , BTL , RL=4
Ω
RL=8
Ω
1.2
650
THD = 10% , SE , RL=4
RL=8
Ω
Ω
400
500
THD = 1% , SE , RL=4
Ω
mW
RL=8
Ω
320
THD = 0.5% , SE , RL=32
Ω
90
THD + N Total harmonic distortion plus
noise
300
PO = 1.6W , BTL , RL=4
PO = 1W , BTL , RL=8
Ω
150
20
Ω
m%
PO = 78mW , SE ,RL=32
Ω
10
V1 = 1V , RL=4
G = 1
Ω ,
Maximum output power
bandwidth
KHz
BOM
G = 10 , THD < 1%
>20
Phase margin
72
71
52
RL = 4 , BTL
Ω
RL = 4 , Open Load
Ω
°
RL = 4 , SE
Ω
Notes 1 : Output power is meaured at the output teminals of the IC at 1 KHz.
Copyright ANPEC Electronics Corp.
Rev. A.8 - Nov., 2002
3
www.anpec.com.tw
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
