Typical operating characteristics (continued) – Rainbow Electronics MAX9717 User Manual
Page 7
MAX9716/MAX9717
Low-Cost, Mono, 1.4W BTL Audio Power
Amplifiers
_______________________________________________________________________________________
7
OUTPUT POWER
vs. SUPPLY VOLTAGE
MAX9716 toc19
SUPPLY VOLTAGE (V)
OUTPUT POWER (W)
5.0
4.5
4.0
3.5
3.0
0.3
0.6
0.9
1.2
1.5
1.8
0
2.5
5.5
R
L
= 8
Ω
f = 1kHz
A
V
= 6dB
THD+N = 10%
THD+N = 1%
1.5
2.0
2.5
3.0
0
OUTPUT POWER
vs. SUPPLY VOLTAGE
MAX9716 toc20
SUPPLY VOLTAGE (V)
OUTPUT POWER (W)
5.0
4.5
4.0
3.5
3.0
2.5
5.5
THD+N = 10%
THD+N = 1%
R
L
= 4
Ω
f = 1kHz
A
V
= 6dB
1.0
0.5
OUTPUT POWER
vs. LOAD RESISTANCE
MAX9716 toc21
LOAD RESISTANCE (
Ω)
OUTPUT POWER (mW)
10
0.5
1.0
1.5
2.0
2.5
0
1
100
THD+N = 1%
THD+N = 10%
V
CC
= 5V
f = 1kHz
A
V
= 6dB
100
200
300
400
500
600
700
0
OUTPUT POWER
vs. LOAD RESISTANCE
MAX9716 toc22
LOAD RESISTANCE (
Ω)
OUTPUT POWER (mW)
10
1
100
V
CC
= 3V
f = 1kHz
A
V
= 6dB
THD+N = 1%
THD+N = 10%
POWER DISSIPATION
vs. OUTPUT POWER
MAX9716 toc23
OUTPUT POWER (W)
POWER DISSIPATION (W)
1.2
0.9
0.6
0.3
0.2
0.4
0.6
0.8
1.0
0
0
1.5
V
CC
= 5V
R
L
= 8
Ω
f = 1kHz
A
V
= 6dB
50
100
150
200
250
300
0
POWER DISSIPATION
vs. OUTPUT POWER
MAX9716 toc24
OUTPUT POWER (mW)
POWER DISSIPATION (mW)
400
300
200
100
0
500
V
CC
= 3V
R
L
= 8
Ω
f = 1kHz
A
V
= 6dB
POWER DISSIPATION
vs. OUTPUT POWER
MAX9716 toc25
OUTPUT POWER (W)
POWER DISSIPATION (W)
1.6
1.2
0.8
0.4
0.4
0.8
1.2
1.6
2.0
0
0
2.0
V
CC
= 5V
R
L
= 4
Ω
f = 1kHz
A
V
= 6dB
600
500
400
300
200
100
100
200
300
400
500
600
700
0
0
700
POWER DISSIPATION
vs. OUTPUT POWER
MAX9716 toc26
OUTPUT POWER (mW)
POWER DISSIPATION (mW)
V
CC
= 3V
R
L
= 4
Ω
f = 1kHz
A
V
= 6dB
OUTPUT-NOISE DENSITY
vs. FREQUENCY
MAX9716 toc27
FREQUENCY (Hz)
OUTPUT-NOISE DENSITY (nV/
√
Hz)
10k
1k
100
200
300
400
500
600
0
100
100k
A
V
= 6dB
Typical Operating Characteristics (continued)
(V
CC
= 5V, THD+N measurement bandwidth = 22Hz to 22kHz, BTL mode, T
A
= +25°C, unless otherwise noted.)