PA4990 Unisonic Technologies, PA4990 Datasheet - Page 4

• Manufacturer Part Number: PA4990
• Description: 1.2w Audio Power Amplifier With Active-low Shutdown Mode
• Manufacturer: Unisonic Technologies

PA4990
V
Supply Voltage
Output Offset Voltage
Shutdown Voltage
Supply Current
Shutdown Current
Output Power
Total Harmonic Distortion+Noise
Power Supply Rejection Ratio
Wake-Up Time
Shutdown Time
DD
=5V
ELECTRICAL CHARACTERISTICS(Cont.)
PARAMETER
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
High
Low
I
SYMBOL
SHUTDOWN
THD+N P
PSRR
T
P
T
V
V
V
I
STDB
OUT
DD
WU
DD
OS
ST
No input signal
No input signal, no load
No input signal, V
THD=1% Max, f
Av=2, V
Input Grounded
Cb=1μF, no load
Cb=1μF, no load
OUT
=1W
RIPPLE
TEST CONDITIONS
RMS
, Av=2, 20Hz ≤ f ≤20kHz,
=200mV
IN
=1kHz
STDBY
PP
=GND
,
f=217Hz
f=1kHz
MIN
2.2
0.9
55
55
TYP
3.7
1.2
0.2
10
62
64
90
10
1
1000
MAX
CMOS IC
130
5.5
1.3
0.4
10
6
QW-R502-235.C
UNIT
mV
mA
nA
dB
ms
μs
W
%
V
V
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