APA2020A View Datasheet(PDF) - Anpec Electronics
Part Name
Description
Manufacturer
APA2020A Datasheet PDF : 25 Pages
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APA2020A
Electrical Characteristics (Cont.)
AC Operating Characteristics , VDD= 3.3V , TA= 25°C , RL= 4Ω (unless otherwise noted)
Symbol
Parameter
Test Condition
APA2020A
Min. Typ. Max.
Unit
PSRR Power supply ripple rejection f =100 Hz
70
dB
Mute attenuation
85
dB
Channel-to-channel output
separation
f =1 KHz
85
dB
Line HP input separation
75
dB
BTL attenuation in SE mode
80
dB
ZI Input impedance
2
MΩ
Signal-to-noise ratio
Po = 500 mW , BTL
90
dB
Vn Output noise voltage
50
µV(rms)
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
IDD
VO (DIFF)
IDD(MUTE)
ISD
Supply Current
V DD = 5V
Stereo BTL
Stereo SE
V DD = 3.3 V Stereo BTL
Stereo SE
DC Differential Output
Voltage
V DD =5V, Gain = 2, see Note3
Supply Current in Mute Mode V DD = 5V
IDD in Shutdown
V DD = 5V
APA2020A
Typ. Max.
8
11
4
6.5
7
9
3.5
5.6
5
25
8
11
0.5
5
Note 3 : at 3V<VDD<5V , the DC output voltage is approximately VDD / 2.
Unit
mA
mA
mA
mA
mV
mA
µA
Copyright ANPEC Electronics Corp.
5
Rev. A.5 - July., 2002
www.anpec.com.tw
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