Typical operating characteristics – Rainbow Electronics MAX13331 User Manual
Page 4
MAX13330/MAX13331
Automotive DirectDrive Headphone Amplifiers
with Output Protection and Diagnostics
4
_______________________________________________________________________________________
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX13330/31 toc01
FREQUENCY (kHz)
THD+N (%)
0.1
1
10
0.01
0.1
1
0.001
0.01
100
V
DD
= 4V
R
L
= 8
Ω
P
OUT
= 25mW
P
OUT
= 45mW
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX13330/31 toc02
FREQUENCY (kHz)
THD+N (%)
0.1
1
10
0.01
0.1
1
0.001
0.01
100
V
DD
= 5V
R
L
= 8
Ω
P
OUT
= 25mW
P
OUT
= 60mW
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX13330/31 toc03
FREQUENCY (kHz)
THD+N (%)
0.1
1
10
0.01
0.1
1
0.001
0.01
100
V
DD
= 4V
R
L
= 16
Ω
P
OUT
= 25mW
P
OUT
= 75mW
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX13330/31 toc04
FREQUENCY (kHz)
THD+N (%)
0.1
1
10
0.01
0.1
1
0.001
0.01
100
V
DD
= 5V
R
L
= 16
Ω
P
OUT
= 50mW
P
OUT
= 100mW
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX13330/31 toc05
FREQUENCY (kHz)
THD+N (%)
0.1
1
10
0.01
0.1
1
0.001
0.01
100
V
DD
= 4V
R
L
= 32
Ω
P
OUT
= 25mW
P
OUT
= 70mW
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX13330/31 toc06
FREQUENCY (kHz)
THD+N (%)
0.1
1
10
0.01
0.1
1
0.001
0.01
100
V
DD
= 5V
R
L
= 32
Ω
P
OUT
= 50mW
P
OUT
= 125mW
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX13330/31 toc07
OUTPUT POWER (mW)
THD+N (%)
50
25
0.1
1
10
0.01
0
75
V
DD
= 4V
R
L
= 8
Ω
f
IN
= 10kHz
f
IN
= 1kHz
f
IN
= 100Hz
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX13330/31 toc08
OUTPUT POWER (mW)
THD+N (%)
50
100
25
75
0.1
1
10
0.01
0
125
V
DD
= 5V
R
L
= 8
Ω
f
IN
= 10kHz
f
IN
= 1kHz
f
IN
= 100Hz
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX13330/31 toc09
OUTPUT POWER (mW)
THD+N (%)
50
100
25
75
0.01
0.1
1
10
0.001
0
125
V
DD
= 4V
R
L
= 16
Ω
f
IN
= 10kHz
f
IN
= 1kHz
f
IN
= 100Hz
Typical Operating Characteristics
(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.)