APA2120/2121
Electrical Characteristics (Cont.)
Operating Characteristics, BTL mode
V
DD
=5V,T
A
=25°C,R
L
=4Ω, Gain=2V/V (unless otherwise noted)
Symbol
Parameter
Test Condition
THD=10%, R
L
=3Ω, Fin=1kHz
THD=10%, R
L
=4Ω, Fin=1kHz
P
O
THD=10%, R
L
=8Ω, Fin=1kHz
Maximum Output Power
THD=1%, R
L
=3Ω, Fin=1kHz
THD=1%, R
L
=4Ω, Fin=1kHz
THD=0.5%, R
L
=8Ω, Fin=1kHz
THD+N Total Harmonic Distortion Plus
Noise
PSRR Power Ripple Rejection Ratio
Xtalk
S/N
Channel Separation
Signal to Noise Ratio
P
O
=1.5W, R
L
=4Ω, Fin=1kHz
P
O
=1W, R
L
=8Ω, Fin=1kHz
V
IN
=0.1Vrms, R
L
=8Ω, C
B
=1µF,
Fin=120Hz
C
B
=1µF, R
L
=8Ω, Fin=1kHz
P
O
=1.1W, R
L
=8Ω, A_wieght
60
90
95
dB
dB
dB
1
APA2120/1
Min. Typ. Max.
2.7
2.3
1.5
2.0
1.9
1.1
0.05
0.07
%
W
Unit
Operating Characteristics, SE mode
V
DD
=5V,T
A
=25°C,R
L
=4Ω, Gain=1V/V (unless otherwise noted)
Symbol
Parameter
Test Condition
THD=10%, R
L
=8Ω, Fin=1kHz
P
O
THD=10%, R
L
=32Ω, Fin=1kHz
Maximum Output Power
THD=1%, R
L
=8Ω, Fin=1kHz
THD=1%, R
L
=32Ω, Fin=1kHz
THD+N Total Harmonic Distortion Plus
Noise
PSRR
Xtalk
S/N
Power Ripple Rejection Ratio
Channel Separation
Signal to Noise Ratio
P
O
=250mW, R
L
=8Ω, Fin=1kHz
P
O
=75mW, R
L
=32Ω, Fin=1kHz
V
IN
=0.1Vrms, R
L
=8Ω, C
B
=1µF,
Fin=120Hz
C
B
=1µF, R
L
=32Ω, Fin=1kHz
P
O
=75mW, SE, R
L
=32Ω, A_wieght
48
100
100
dB
dB
dB
APA2120/1
Min. Typ. Max.
400
110
320
90
0.08
0.08
%
mW
Unit
Copyright
ANPEC Electronics Corp.
Rev. A.1 - Mar., 2003
4
www.anpec.com.tw
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
