MAX9719 Maxim Integrated Products, MAX9719 Datasheet - Page 6

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

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Low-Cost, Mono/Stereo,
1.4W Differential Audio Power Amplifiers
(V
6
CC
0.001
0.001
0.01
0.01
100
100
0.1
2.5
2.0
1.5
1.0
0.5
_______________________________________________________________________________________
0.1
10
10
1
0
1
= 5V, C
2.5
0
TOTAL HARMONIC DISTORTION + NOISE
0
TOTAL HARMONIC DISTORTION + NOISE
R
f = 1kHz
A
V
R
A
V
R
A
L
V
CC
L
V
CC
L
V
= 4Ω
= 2
= 8Ω
= 4
= 4Ω
= 2
3.0
100
= 3V
= 3V
100
BIAS
f
IN
vs. SUPPLY VOLTAGE
vs. OUTPUT POWER
= 1kHz
vs. OUTPUT POWER
THD+N = 10%
OUTPUT POWER (mW)
SUPPLY VOLTAGE (V)
OUTPUT POWER (mW)
OUTPUT POWER
200
3.5
= 0.1µF, THD+N measurement bandwidth = 22Hz to 22kHz, T
200
f
f
IN
IN
= 1kHz
4.0
= 10kHz
300
300
THD+N = 1%
4.5
400
f
IN
= 100Hz
f
f
IN
400
IN
500
5.0
= 10kHz
= 100Hz
500
600
5.5
0.0001
0.001
0.001
0.01
100
0.01
0.1
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
Typical Operating Characteristics (continued)
10
1
0
2.5
0
0
TOTAL HARMONIC DISTORTION + NOISE
TOTAL HARMONIC DISTORTION + NOISE
R
f = 1kHz
A
V
R
A
V
P
A
L
V
CC
L
V
CC
O
V
= 8Ω
= 2
= 4Ω
= 4
vs. COMMON-MODE VOLTAGE
= 2
= 200mW
f
100
3.0
= 3V
IN
= 5V
COMMON-MODE VOLTAGE (V
= 1kHz
1
vs. SUPPLY VOLTAGE
vs. OUTPUT POWER
OUTPUT POWER (mW)
THD+N = 10%
SUPPLY VOLTAGE (V)
200
OUTPUT POWER
3.5
2
300
4.0
3
THD+N = 1%
400
4.5
f
IN
= 100Hz
f
RMS
IN
4
500
5.0
= 10kHz
A
)
= +25°C, unless otherwise noted.)
600
5.5
5
0.0001
0.001
0.001
0.01
100
0.01
0.1
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
10
1
0
0
0
1
TOTAL HARMONIC DISTORTION + NOISE
TOTAL HARMONIC DISTORTION + NOISE
V
f = 1kHz
A
V
P
A
V
R
A
CC
O
V
CC
V
CC
L
V
= 2
= 200mW
= 2
= 8Ω
= 2
vs. COMMON-MODE VOLTAGE
100
= 3V
0.5
= 5V
= 3V
COMMON-MODE VOLTAGE (V
vs. LOAD RESISTANCE
f
IN
vs. OUTPUT POWER
LOAD RESISTANCE (Ω)
OUTPUT POWER (mW)
= 1kHz
THD+N = 1%
200
OUTPUT POWER
1.0
300
10
1.5
THD+N = 10%
400
2.0
f
IN
= 100Hz
f
RMS
IN
500
2.5
= 10kHz
)
600
3.0
100