APA2020A Datasheet, PDF (4/25 Pages) Anpec Electronics Coropration – Stereo 2-W Audio Power Amplifier

APA2020A
Electrical Characteristics (Cont.)
AC Operating Characteristics , V_DD= 5V , T_A= 25°C , R_L= 4Ω (unless otherwise noted)
Symbol
Parameter
PSRR
Power supply ripple rejection
Mute attenuation
Channel-to-channel output
separation
Line HP input separation
Test Condition
f =100 Hz
APA2020A
Min. Typ. Max.
Unit
80
dB
85
dB
85
dB
75
dB
BTL attenuation in SE mode
80
dB
ZI Input impedance
Signal-to-noise ratio
Vn Output noise voltage
Po = 500 mW , BTL
2
MΩ
90
dB
80
µV(rms)
Notes 1 : Output power is meaured at the output teminals of the IC at 1 KHz.
AC Operating Characteristics , V_DD= 3.3V , T_A= 25°C , R_L= 4Ω (unless otherwise noted)
Symbol
Parameter
Test Condition
APA2020A
Min. Typ. Max.
P(out) Output power (each channel ) THD = 10% , BTL , R_L=4_Ω
1
see Note 2
RL=8Ω
0.6
THD = 1% , BTL , RL=4Ω
0.8
RL=8Ω
0.5
THD = 10% , SE , RL=4Ω
290
RL=8Ω
180
THD = 1% , SE , RL=4Ω
230
RL=8Ω
140
THD = 0.5% , SE , RL=32 Ω
43
THD + N Total harmonic distortion plus PO = 1.6W , BTL , RL=4Ω
270
noise
PO = 1W , BTL , RL=8Ω
150
PO = 78mW , SE ,RL=32Ω
20
V1 = 1V , RL=4Ω , G = 1
10
BOM
Maximum output power
bandwidth
G = 10 , THD < 1%
>20
Phase margin
RL = 4Ω , BTL
92
RL = 4Ω , Open Load
70
RL = 4Ω , SE
57
Unit
W
mW
m%
KHz
°
Copyright  ANPEC Electronics Corp.
4
Rev. A.5 - July., 2002
www.anpec.com.tw