MAX9719 Maxim Integrated Products, MAX9719 Datasheet - Page 7

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

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(V
CC
-120
-150
600
500
400
300
200
100
700
600
500
400
300
200
100
150
120
-30
-60
-90
90
60
30
0
0
0
= 5V, C
1
10
0
V
f = 1kHz
A
V
R
f = 1kHz
A
A
CC
V
CC
L
V
V
= 4Ω
= 2
= 2
100
= 60dB
= 3V
= 3V
BIAS
vs. LOAD RESISTANCE
100
POWER DISSIPATION
vs. OUTPUT POWER
200
LOAD RESISTANCE (Ω)
OUTPUT POWER (mW)
OUTPUT POWER
GAIN AND PHASE
THD+N = 1%
vs. FREQUENCY
= 0.1µF, THD+N measurement bandwidth = 22Hz to 22kHz, T
FREQUENCY (Hz)
1.4W Differential Audio Power Amplifiers
300
_______________________________________________________________________________________
10
1k
THD+N = 10%
400
500
10k
600
100
100k
700
-100
Typical Operating Characteristics (continued)
350
300
250
200
150
100
-10
-20
-30
-40
-50
-60
-70
-80
-90
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
50
0
0
0
10
0
0
V
R
C
V
R
f = 1kHz
A
V
R
f = 1kHz
A
POWER-SUPPLY REJECTION RATIO
CC
L
V
RIPPLE
L
BIAS
CC
L
V
= 8Ω
= 8Ω
= 4Ω
= 2
= 2
= 3V
= 5V
0.3
= 1µF
100
= 200mV
100
POWER DISSIPATION
POWER DISSIPATION
vs. OUTPUT POWER
V
vs. OUTPUT POWER
OUTPUT POWER (mW)
CC
OUTPUT POWER (W)
vs. FREQUENCY
0.6
FREQUENCY (Hz)
= 5V
200
P-P
Low-Cost, Mono/Stereo,
0.9
1k
300
1.2
V
CC
10k
= 3V
400
1.5
A
= +25°C, unless otherwise noted.)
100k
500
1.8
-100
-120
-150
150
120
-30
-60
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
1.0
0.8
0.6
0.4
0.2
90
60
30
0
0
0
10
10
0
A
V
R
C
V
R
f = 1kHz
A
COMMON-MODE REJECTION RATIO
V
RIPPLE
L
BIAS
CC
L
V
= 8Ω
= 2
= 8Ω
= 2
0.2
= 5V
= 1µF
= 200mV
V
V
100
100
POWER DISSIPATION
CC
CC
vs. OUTPUT POWER
0.4
OUTPUT POWER (W)
vs. FREQUENCY
vs. FREQUENCY
= 5V
= 3V
OUTPUT NOISE
FREQUENCY (Hz)
FREQUENCY (Hz)
P-P
0.6
1k
1k
0.8
1.0
10k
10k
1.2
100k
100k
1.4
7