APA2020
Electrical Characteristics (Cont.)
AC Operating Characteristics , VDD= 3.3V , 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
70
85
dB
dB
Channel-to-channel output
separation
f =1 KHz
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
50
dB
Vn
ì Vr(ms)
Notes 2 : Output power is meaured at the output teminals of the IC at 1 KHz.
DC Electrical Characteristic , TA=25 °C
Symbol
Parameter
Test Conditions
APA2020
Unit
Typ.
Max.
11
V DD = 5V
Stereo BTL
Stereo SE
8
4
mA
mA
mA
mA
mV
IDD
Supply Current
6.5
V DD = 3.3 V Stereo BTL
Stereo SE
V DD =5V, Gain = 2, see Note3
7
3.5
5
9
5.6
25
VO (DIFF)
DC Differential Output
Voltage
IDD(MUTE)
ISD
Supply Current in Mute Mode V DD = 5V
IDD in Shutdown V DD = 5V
8
0.5
11
5
mA
A
µ
Note 3 : at 3V<VDD<5V , the DC output voltage is approximately VDD / 2.
Copyright ANPEC Electronics Corp.
Rev. A.8 - Nov., 2002
5
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ANPEC [ ANPEC ELECTRONICS COROPRATION ]
