APA2181
Electrical Characteristics (Cont.)
V
DD
=3.6V, V
GND
=V
PGND
=0V, V
SDN
=V
DD
, C
CPF
=C
CPO
=1µF, C
i
=1µF, T
A
=25 C (unless otherwise noted)
Symbol
DRIVERS (CONT.)
V
DD
=2.3V to 5.5V, V
rr
=200mVrms
f
in
= 217Hz
f
in
= 1kHz
f
in
= 20kHz
-80
-80
-40
400
4
8
50
60
70
80
0.03
0.03
0.20
85
85
70
95
-60
-60
-35
-
-
-
-
mW
-
-
Parameter
Test Conditions
Min.
APA2181
Typ.
Max.
Unit
o
PSRR
Power Supply Rejection Ratio
-
dB
C
L
T
start-up
V
ESD
Maximum Capacitive Load
Start-up Time
ESD Protection
OUTR, OUTL
THD+N=1%, f
in
=1kHz
R
L
=16Ω
R
L
=32Ω
THD+N=10%, f
in
=1kHz
R
L
=16Ω
R
L
=32Ω
P
O
=20mW, R
L
=32Ω
f
in
=20Hz
f
in
=1kHz
f
in
=20kHz
P
O
=40mW, R
L
=32Ω,
f
in
=20Hz
f
in
=1kHz
f
in
=20kHz
V
DD
=5V, P
O
=140mW, R
L
=32Ω,
With A-weighting Filter
-
-
-
pF
ms
kV
P
O
Output Power (Stereo, In
Phase)
45
THD+N
Total Harmonic Distortion
Plus Noise
-
-
%
Crosstalk
Channel Separation
75
-
dB
-
S/N
Signal to Noise Ratio
-
LDO (LOW DROP-OUT REGULATOR)
V
O
I
O
I
LIM
I
SC
PSRR
Output Voltage Accuracy
Output Current
Current-Limit
Short Circuit Current-Limit
Power Supply Rejection Ratio
I
O
=1mA, f
in
=1kHz
Over Temp & Over Load Current
-
5
30
6
-
±5
-
40
8
40
-
-
50
10
-
dB
mA
%
Copyright
©
ANPEC Electronics Corp.
Rev. A.2 - Apr., 2010
4
www.anpec.com.tw
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
