PA7469 Datasheet, PDF (10/12 Pages) Unisonic Technologies – STEREO 2.6W AUDIO POWER AMPLIFIER WITH DC_VOLUME CONTROL)

PA7469
„ TYPICAL CHARACTERISTICS(Cont.)
Crosstalk vs. Frequency
0
-10 ^VDD=5V
-20 ^RL=4Ω
-30
P_OUT=1.5W
BTL
-40
-50
-60
-70
Right to Left
-80
-90
-100
-110
Left to Right
-120
20 100
1k
10k 20k
Frequency (Hz)
CMOS IC
Crosstalk vs. Frequency
0
V_DD=5V
-10 _RL=32Ω
-20 ^CO=1000µF
-30
P_OUT=65mW
SE
-40
-50
Right to Left
-60
-70
-80
Left to Right
-90
-100
20
100
1k
10k 20k
Frequency (Hz)
Output Noise Voltage vs. Frequency
100u
Filter BW<22KHz
20u
A-Weight
10u
V_DD=5V
A_V=6dB
R_L=4Ω
1u ^BTL
20 100
1k
Frequency (Hz)
10k 20k
Output Noise Voltage vs. Frequency
100u
Filter BW<22KHz
20u
10u
A-Weight
V_DD=5V
A_V=0dB
R_L=32Ω
SE
1u
20 100
1k
Frequency (Hz)
10k 20k
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
20
PSRR vs. Frequency
V_DD=5V
R_L=4Ω
V_IN=200mV
A_V=20dB
BTL
100
1k
10k 20k
Frequency (Hz)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
20
PSRR vs. Frequency
V_DD=5V
R_L=32Ω
V_IN=200mV
A_V=14dB
SE
100
1k
10k 20k
Frequency (Hz)
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
10 of 12
QW-R502-201.A