AA4838
Agamem Microelectronics Inc.
PRELIMINARY
AUDIO POWER AMPLIFIER
■ ELECTRICAL CHARACTERISTICS FOR BRIDGED MODE OPERATION
The following specifications apply for VDD = 5V unless otherwise noted. Limits apply for TA = 25˚C
VALUE
MIN TYP MAX
PARAMETER SYMBOL
TEST CONDITION
VIN = 0V, No Load
UNIT
VOS
Output Offset
Voltage
5
±50
-
mV
W
W
Output Power PO
-
-
2.2
2
-
-
THD+N=1.0%; f=1kHz; RL=3
THD+N=1.0%; f=1kHz; RL=4
Ω
Ω
THD=1% (max);
RL= 8
THD+N=10%;
PO = 1W, 20 Hz
f=1 kHz;
1.0
1.1
1.5
0.3
-
-
-
W
W
Ω
-
-
f
=1 kHz; RL= 8
Ω
Ω
Total
THD+N
< <
f
20
Harmonic
Distortion+
Noise
%
%
kHz,
RL=8
Ω, AVD=2
PO=340 mW, RL = 32
Ω
-
-
1.0
74
-
-
Power Supply PSRR
Rejection
Ratio
CB=1.0 µF, =120 Hz,
f
dB
VRIPPLE=200 mVrms; RL=8
VDD=5V, POUT=1.1W,
Signal to
Noise Ratio
SNR
-
-
93
70
-
-
dB
dB
RL=8
Ω, A-Wtd Filter
XTALK
Channel
Separation
f=1kHz, CB=1.0 µF
6
©Copyright Agamem Microelectronics Inc.
www.agamem.com.tw
2008/8/26
AGAMEM MICROELECTRONICS INCOPERATION RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE
TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. AGAMEM DOES NOT ASSUME ANY
LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCTS OR CIRCUIT DESRIBED HEREIN; NEITHER
DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
AGAMEM [ AGAMEM MICROELECTRONIC INC. ]
