APA4863
Typical Operating Characteristics (Cont.)
Output Power vs. Load Resistance
1.75
1.5
1.25
VDD=5V, fin=1kHz
AVD=2, BW<80kHz
BTL Mode
1
10% THD+N
0.75
0.5
0.25 1% THD+N
0
8 18 28 38 48 58 68
Load Resistance (Ω)
Output Power vs. Load Resistance
1
VDD=5V, fin=1kHz
AV=-1, BW<80kHz
0.8
SE Mode
0.6
0.4
10% THD+N
0.2
1% THD+N
0
0 10 20 30
40 50 60 70
Load Resistance (Ω)
Power Dissipation vs. Output Power
1.4
1.2
RL=4Ω
1
0.8
0.6
0.4
0.2
0
0
RL=8Ω
RL=16Ω
RL=32Ω
0.5
VDD=5V,
fin=1kHz
THD+N <1%
BW<80kHz
BTL Mode
1
1.5
Output Power (W)
Power Dissipation vs. Output Power
0.18
0.16
0.14
0.12
0.1
0.08
0.06
0.04
0.02
0
0
RL=8Ω
RL=16Ω
RL=32Ω
VDD=5V,
fin=1kHz
THD+N <1%
BW<80kHz
SE Mode
0.1 0.2
0.3 0.4
0.5
Output Power (W)
Noise Floor
100
VO+ + VO-
VO-
10
Channel Separation
+0
VDD=5V, RL=8Ω
-20 AVD=2, PO=1W
CB=1µF
BTL Mode
-40
-60
1
20 100
VDD=5V, RL=8Ω
AVD=2, CB=1µF
1k
10k 20k
Frequency (Hz)
-80
-100
-120
20
Channel A to B
Channel B to A
100
1k
Frequency (Hz)
10k 20k
Copyright © ANPEC Electronics Corp.
8
Rev. A.7 - Oct., 2009
www.anpec.com.tw