MAX9719 Maxim Integrated Products, MAX9719 Datasheet - Page 5

• Manufacturer Part Number: MAX9719
• Description: (MAX9718 / MAX9719) 1.4W Differential Audio Power Amplifiers
• Manufacturer: Maxim Integrated Products

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(V
0.0001
0.0001
CC
0.001
0.001
0.001
0.01
0.01
0.01
100
0.1
0.1
0.1
10
10
10
1
1
1
= 5V, C
10
10
TOTAL HARMONIC DISTORTION + NOISE
TOTAL HARMONIC DISTORTION + NOISE
0
TOTAL HARMONIC DISTORTION + NOISE
V
R
A
V
R
A
V
R
A
CC
L
V
CC
L
V
CC
L
V
= 8Ω
= 8Ω
= 4
= 2
= 4Ω
= 4
= 5V
= 3V
= 5V
BIAS
OUTPUT POWER = 200mW
OUTPUT POWER = 250mW
100
100
OUTPUT POWER = 100mW
0.5
f
OUTPUT POWER = 800mW
vs. OUTPUT POWER
IN
vs. FREQUENCY
vs. FREQUENCY
OUTPUT POWER (W)
= 100Hz
= 0.1µF, THD+N measurement bandwidth = 22Hz to 22kHz, T
FREQUENCY (Hz)
FREQUENCY (Hz)
1.4W Differential Audio Power Amplifiers
_______________________________________________________________________________________
f
IN
1k
1k
1.0
= 1kHz
10k
10k
1.5
f
IN
= 10kHz
100k
100k
2.0
0.0001
0.0001
0.001
0.001
0.001
0.01
0.01
0.01
Typical Operating Characteristics (continued)
100
0.1
0.1
0.1
10
10
10
1
1
1
10
10
TOTAL HARMONIC DISTORTION + NOISE
0
TOTAL HARMONIC DISTORTION + NOISE
TOTAL HARMONIC DISTORTION + NOISE
V
R
A
V
R
A
V
R
A
CC
L
V
CC
L
V
CC
L
V
= 4Ω
= 2
= 8Ω
= 4
= 8Ω
= 2
0.2
= 3V
= 3V
= 5V
OUTPUT POWER = 250mW
100
100
OUTPUT POWER = 50mW
f
IN
vs. OUTPUT POWER
0.4
OUTPUT POWER = 50mW
vs. FREQUENCY
= 100Hz
OUTPUT POWER = 200mW
OUTPUT POWER (W)
vs. FREQUENCY
FREQUENCY (Hz)
FREQUENCY (Hz)
0.6
Low-Cost, Mono/Stereo,
1k
1k
f
IN
= 1kHz
0.8
1.0
10k
10k
f
IN
A
= 10kHz
1.2
= +25°C, unless otherwise noted.)
100k
100k
1.4
0.0001
0.001
0.001
0.001
0.01
0.01
0.01
100
100
0.1
0.1
0.1
10
10
10
1
1
1
10
0
TOTAL HARMONIC DISTORTION + NOISE
TOTAL HARMONIC DISTORTION + NOISE
0
TOTAL HARMONIC DISTORTION + NOISE
V
R
A
V
R
A
V
R
A
CC
L
V
CC
L
V
0.2 0.4 0.6 0.8
CC
L
V
= 8Ω
= 4
0.2
= 4Ω
= 4
= 4Ω
= 2
f
IN
= 5V
= 3V
= 5V
= 100Hz
100
OUTPUT POWER = 175mW
OUTPUT POWER = 70mW
vs. OUTPUT POWER
vs. OUTPUT POWER
0.4
OUTPUT POWER (W)
vs. FREQUENCY
OUTPUT POWER (W)
FREQUENCY (Hz)
f
IN
0.6
= 1kHz
f
IN
1k
1.0
= 100Hz
f
IN
0.8
1.2 1.4
= 1kHz
1.0
10k
f
f
IN
IN
1.6
= 10kHz
= 10kHz
1.2
1.8
100k
1.4
2.0
5