Datasheet

MAX4364/MAX4365
1.4W and 1W, Ultra-Small, Audio Power
Amplifiers with Shutdown
_______________________________________________________________________________________ 7
Typical Operating Characteristics (continued)
(V
CC
= 5V, THD+N measurement bandwidth = 22Hz to 22kHz, T
A
= +25°C, unless otherwise noted.)
MAX4365
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX4364 toc35
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
4.13.4
4
5
6
7
3
2.7 5.5
4.8
MAX4365
POWER DISSIPATION vs. OUTPUT POWER
MAX4364 toc34
OUTPUT POWER (mW)
POWER DISSIPATION (mW)
300200100
50
100
150
200
250
0
0500
400
V
CC
= 3V
R
L
= 8Ω
f
IN
= 1kHz
MAX4365
POWER DISSIPATION vs. OUTPUT POWER
MAX4364 toc33
OUTPUT POWER (mW)
POWER DISSIPATION (mW)
900600300
200
400
600
800
0
0 1500
1200
V
CC
= 5V
R
L
= 8
Ω
f
IN
= 1kHz
MAX4365
OUTPUT POWER vs. LOAD RESISTANCE
MAX4364 toc32
LOAD RESISTANCE (
Ω
)
OUTPUT POWER (mW)
302010
400
600
800
1000
1200
0
050
10% THD+N
1% THD+N
40
V
CC
= 3V
f
IN
= 1kHz
200
MAX4365
OUTPUT POWER vs. LOAD RESISTANCE
MAX4364 toc31
LOAD RESISTANCE (Ω)
OUTPUT POWER (mW)
302010
200
400
600
800
1000
1200
0
050
40
V
CC
= 5V
f
IN
= 1kHz
MAX4365
SUPPLY CURRENT vs. TEMPERATURE
MAX4364 toc36
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
3510-15
4
5
6
7
3
-40 85
60
V
CC
= 5V
MAX4365
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX4364 toc30
SUPPLY VOLTAGE (V)
OUTPUT POWER (mW)
4.84.13.4
500
1000
1500
2000
2500
0
2.7 5.5
R
L
= 8
Ω
f
IN
= 1kHz
1% THD+N
10% THD+N
MAX4364 toc29
OUTPUT POWER (mW)
THD+N (%)
725600500400325
250
200125
0.01
0.1
1
10
100
0.001
0 850 1000
V
CC
= 3V
A
V
= 4V/V
R
L
= 8
Ω
20kHz
20Hz
1kHz
MAX4365
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX4364 toc28
OUTPUT POWER (mW)
THD+N (%)
725600500400325
250
200125
0.01
0.1
1
10
100
0.001
0 800 1000
V
CC
= 3V
A
V
= 2V/V
R
L
= 8
Ω
20kHz
20Hz
1kHz
MAX4365
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER