APA2020
Electrical Characteristics (Cont.)
AC Operating Characteristics , VDD= 5V , TA= 25°C , RL= 4Ω (unless otherwise noted)
APA2020
Symbol
Parameter
Test Condition
f =100 Hz
Unit
.
Min. Typ Max.
PSRR Power supply ripple rejection
Mute attenuation
80
85
dB
dB
Channel-to-channel output
separation
85
dB
Line HP input separation
75
80
2
dB
dB
BTL attenuation in SE mode
ZI
Input impedance
MW
Signal-to-noise ratio
Output noise voltage
Po = 500 mW , BTL
90
80
dB
Vn
ì Vr(ms)
Notes 1 : Output power is meaured at the output teminals of the IC at 1 KHz.
Electrical Characteristics (Cont.)
AC Operating Characteristics , VDD= 3.3V , 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 2
1
THD = 10% , BTL , RL=4
RL=8
Ω
0.6
0.8
Ω
W
THD = 1% , BTL , RL=4
Ω
RL=8
Ω
0.5
290
THD = 10% , SE , RL=4
Ω
RL=8
Ω
180
230
THD = 1% , SE , RL=4
Ω
mW
m%
RL=8
Ω
140
THD = 0.5% , SE , RL=32
Ω
43
THD + N Total harmonic distortion plus
noise
270
PO = 1.6W , BTL , RL=4
PO = 1W , BTL , RL=8
Ω
150
20
Ω
PO = 78mW , SE ,RL=32
Ω
10
V1 = 1V , RL=4
G = 1
Ω ,
Maximum output power
bandwidth
BOM
G = 10 , THD < 1%
>20
KHz
Phase margin
92
70
57
RL = 4 , BTL
Ω
RL = 4 , Open Load
Ω
°
RL = 4 , SE
Ω
Notes 2 : Output power is meaured at the output teminals of the IC at 1 KHz.
Copyright ANPEC Electronics Corp.
Rev. A.8 - Nov., 2002
4
www.anpec.com.tw
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
