APA2057A Datasheet, PDF (14/31 Pages) Anpec Electronics Coropration – 2.4W Stereo Audio Power Amplifier (with Gain Setting) & Capfree Headphone Driver

APA2057A
Typical Operating Characteristics (Cont.)
HP attenuation vs. Frequency
+0 _{VDD =5V}
-10 HV_DD=3.3V
-20
R_L=32Ω
C_in=3.3µF
-30 ^VO^=1Vrms(Fin^{=1KHz HP enable)}
HP mode (disable)
-40
-50
-60
-70
-80
-90
-100
Left channel
-110
Right channel
-120
20
100
1k
Frequency (Hz)
10k 20k
Shutdown attenuation vs. Frequency
+0
-10
V_DD =5V
HV_DD=3.3V
-20 R_L=32Ω
-30
C_in=3.3µF
V_O=1Vrms(F_in=1KHz)
-40 Shutdown active
-50 ^{HP mode}
-60
-70
-80
-90
-100
-110
Left channel
-120
-130
-140
20
Right channel
100
1k
Frequency (Hz)
10k 20k
Input Voltage vs. Output Voltage
2.5
V_DD =5V
HV_DD=3.3V
R_L=16Ω
2 ^Rin^=39KΩ
C_in=3µF
F_in=1KHz
HP mode
1.5
Mono
Stereo, in
phase
1
0.5
0
0
0.5
1
1.5
2
Input Voltage (Vrms)
Copyright © ANPEC Electronics Corp.
Rev. A.1 - Aug., 2007
2.5
14
HP attenuation vs. Frequency
+0
V_DD =5V
-10 ^HVDD^=3.3V
R_L=10KΩ
-20 ^Cin^=3.3µF
V_O=1Vrms(F_in=1KHz HP enable)
-30 ^{HP mode (disable)}
-40
-50
-60
-70
-80
Right channel
Left channel
-90
-100
20
100
1k
Frequency (Hz)
10k 20k
Shutdown attenuation vs. Frequency
+0 _{VDD =5V}
-10 HV_DD=3.3V
-20
R_L=10KΩ
C_in=3.3µF
-30 V_O=1Vrms(F_in=1KHz)
Shutdown active
-40 _{HP mode}
-50
-60
-70
-80
Left channel
-90
-100
-110
-120
Right channel
-130
20
100
1k
Frequency (Hz)
10k 20k
Input Voltage vs. Output Voltage
3
V_DD =5V
HV_DD=3.3V
2.5 ^RL^=32Ω
R_in=39KΩ
C_in=3µF
2
F_in=1KHz
HP mode
Mono
Stereo, in
phase
1.5
1
0.5
00
0.5
1
1.5
2
2.5
3
Input Voltage (Vrms)
www.anpec.com.tw