APA2176 Datasheet, PDF (13/28 Pages) Anpec Electronics Coropration – 270mW Stereo Cap-Free Headphone Driver

APA2176/2176A
Typical Operating Characteristics (Cont.)
Charge Pump Shutdown Current
vs. Supply Voltage
RSD=LSD=0V
0.8
V_DD=3.3V
I_SD(VDD)=0.65µA
No Load
0.6
0.4
0.2
0.0
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Charge Pump Supply Voltage (Volt)
Power Dissipation vs. Output Power
250
Shutdown Current vs. Supply Voltage
1.2
RSD=LSD=0V
1.0
PV_DD=5.0V
I_SD(PVDD)=0.58µA
No Load
0.8
0.6
0.4
0.2
0.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
Supply Voltage (Volt)
Power Dissipation vs. Output Power
150
200
R_L=16Ω
150
100
50
0
0
R_L=32Ω
V_DD=3.3V
PV_DD=5.0V
THD+N<1%
50
100
150
200
250
Output Power (mW)
125
100
75
50
25
0
0
R_L=16Ω
R_L=32Ω
V_DD=2.8V
PV_DD=3.6V
THD+N<1%
20
40
60
80
100
120
Output Power (mW)
Power Dissipation vs. Output Power
100
80
R_L=16Ω
60
40
20
0
0
R_L=32Ω
V_DD=1.8V
PV_DD=3.0V
THD+N<1%
10
20
30
40
50
60
Output Power (mW)
Power Dissipation vs. Output Power
70
60
R_L=16Ω
50
40
30
R_L=32Ω
20
V_DD=1.8V
10
PV_DD=2.4V
THD+N<1%
0
0
10
20
30
40
Output Power (mW)
Copyright © ANPEC Electronics Corp.
13
Rev. A.7 - Jan., 2013
www.anpec.com.tw