3W Mono/Stereo BTL Audio Power Amplifiers
with Shutdown
Typical Operating Characteristics
(VDD = 5V, THD+N measurement bandwidth = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY
1
RL = 3Ω
AV = -2V/V
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY
1
RL = 3Ω
AV = -4V/V
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY
1
RL = 4Ω
AV = -2V/V
0.1
POUT = 500mW
0.1
POUT = 500mW
0.01
POUT = 2.5W
0.01
POUT = 2.5W
0.001
10
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY
1
RL = 4Ω
AV = -4V/V
0.001
10
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY
1
RL = 8Ω
AV = -2V/V
0.1
POUT = 250mW
0.01
POUT = 2W
0.001
10
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY
1
RL = 8Ω
AV = -4V/V
0.1
POUT = 250mW
0.01
POUT = 2W
0.001
10
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
100
AV = -2V/V
RL = 3Ω
10
0.1
POUT = 250mW
0.01
0.001
10
POUT = 1.2W
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
100
AV = -4V/V
RL = 3Ω
10
0.1
POUT = 250mW
0.01
0.001
10
POUT = 1.2W
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
100
AV = -2V/V
RL = 4Ω
10
1
f = 10kHz
0.1 f = 20Hz
1
f = 10kHz
f = 1kHz
0.1
1
0.1
f = 1kHz f = 10kHz
0.01
f = 1kHz
0.001
0
1
2
3
OUTPUT POWER (W)
0.01
f = 20Hz
0.001
4
0
1
2
3
OUTPUT POWER (W)
0.01
f = 20Hz
0.001
4
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
OUTPUT POWER (W)
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