Typical operating characteristics (continued) – Rainbow Electronics MAX13331 User Manual
Page 5
MAX13330/MAX13331
Automotive DirectDrive Headphone Amplifiers
with Output Protection and Diagnostics
_______________________________________________________________________________________
5
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX13330/31 toc10
OUTPUT POWER (mW)
THD+N (%)
125
50
150
25
0.01
0.1
1
10
0.001
0
100
75
175
V
DD
= 5V
R
L
= 16
Ω
f
IN
= 10kHz
f
IN
= 1kHz
f
IN
= 100Hz
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX13330/31 toc11
OUTPUT POWER (mW)
THD+N (%)
50
100
25
75
0.01
0.1
1
10
0.001
0
125
V
DD
= 4V
R
L
= 32
Ω
f
IN
= 10kHz
f
IN
= 1kHz
f
IN
= 100Hz
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX13330/31 toc12
OUTPUT POWER (mW)
THD+N (%)
125
50
150
25
0.01
0.1
1
10
0.001
0
100
75
175
V
DD
= 5V
R
L
= 32
Ω
f
IN
= 10kHz
f
IN
= 1kHz
f
IN
= 100Hz
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX13330/31 toc13
FREQUENCY (kHz)
THD+N (%)
0.1
1
10
0.001
0.01
0.1
1
0.0001
0.01
100
V
DD
= 5V
R
L
= 1k
Ω
V
OUT_
= 2V
RMS
V
OUT_
= 1V
RMS
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX13330/31 toc14
SUPPLY VOLTAGE (V)
OUTPUT POWER (mW)
5.25
4.75
4.50
5.00
4.25
60
120
180
40
100
160
20
80
140
0
4.00
5.50
f
IN
= 1kHz
1% THD+N
R
L
= 32
Ω
R
L
= 16
Ω
R
L
= 8
Ω
OUTPUT POWER vs. LOAD RESISTANCE
MAX13330/31 toc15
LOAD RESISTANCE (
Ω)
OUTPUT POWER (mW)
10
100
60
120
200
40
100
160
180
20
80
140
0
0
1000
f
IN
= 1kHz
10% THD+N
V
DD
= 4V
1% THD+N
V
DD
= 4V
1% THD+N
V
DD
= 5V
10% THD+N
V
DD
= 5V
POWER DISSIPATION vs.
OUTPUT POWER PER CHANNEL
MAX13330/31 toc16
OUTPUT POWER PER CHANNEL (mW)
POWER DISSIPATION (mW)
100
60
40
80
20
300
600
800
200
500
100
400
700
0
0
120
V
DD
= 4V
f
IN
= 1kHz
R
L
= 32
Ω
R
L
= 16
Ω
R
L
= 8
Ω
POWER DISSIPATION vs.
OUTPUT POWER PER CHANNEL
MAX13330/31 toc17
OUTPUT POWER PER CHANNEL (mW)
POWER DISSIPATION (mW)
80
140
60
120
160
20
100
40
400
800
1200
200
600
1000
0
0
180
V
DD
= 5V
f
IN
= 1kHz
R
L
= 32
Ω
R
L
= 16
Ω
R
L
= 8
Ω
Typical Operating Characteristics (continued)
(V
DD
= V
CPVDD
= 5V, V
SGND
= V
PGND
= 0, C1 = C2 = 1µF, R
L
=
∞, gain = -1.5V/V, THD+N measurement bandwidth = 22Hz to 22kHz,
T
A
= +25°C, unless otherwise noted.)