User Manual

MAX9890
Audio Click-Pop Suppressor
4 _______________________________________________________________________________________
FREQUENCY (Hz)
ON-LOSS (dB)
10k1k10010 100k
ON-LOSS vs. FREQUENCY
MAX9890 toc04
-0.6
-0.2
0.2
0.6
1.0
-1.0
-0.8
-0.4
0
0.4
0.8
R
L
= 32Ω
R
L
= 16Ω
PHASE SHIFT (DEGREES)
-4
-3
-2
-1
0
1
2
-5
FREQUENCY (Hz)
10010
PHASE SHIFT vs. FREQUENCY
MAX9890 toc05
R
L
= 32Ω
R
L
= 16Ω
10k1k 100k
OFF-ISOLATION (dB)
-130
-110
-90
-70
-50
-30
-10
10
-150
FREQUENCY (Hz)
10k1k10010 100k
OFF-ISOLATION vs. FREQUENCY
MAX9890 toc06
R
L
= 32Ω
R
L
= 16Ω
CROSSTALK (dB)
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-150
FREQUENCY (Hz)
10k1k10010 100k
CROSSTALK vs. FREQUENCY
MAX9890 toc07
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9890 toc08
OUTPUT POWER (mW)
THD+N (%)
225200175150125100755025
0.01
0.1
1
10
100
0.001
0250
V
CC
= 5V
R
L
= 16Ω
f = 1kHz
100806040200120
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9890 toc09
OUTPUT POWER (mW)
THD+N (%)
0.01
0.1
1
10
100
0.001
V
CC
= 5V
R
L
= 32Ω
f = 1kHz
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9890 toc10
OUTPUT POWER (mW)
THD+N (%)
225200175150125100755025
0.01
0.1
1
10
100
0.001
0
V
CC
= 3V
R
L
= 16Ω
f = 1kHz
100806040200120
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9890 toc11
OUTPUT POWER (mW)
THD+N (%)
0.01
0.1
1
10
100
0.001
V
CC
= 3V
R
L
= 32Ω
f = 1kHz
FREQUENCY (Hz)
THD+N (%)
10k1k100
0.001
0.01
0.1
1
0.0001
10 100k
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX9890 toc12
V
CC
= 5V
R
L
= 16Ω
OUTPUT POWER = 25mW
OUTPUT POWER = 150mW
Typical Operating Characteristics (continued)
(V
CC
= 3V, C
CEXT
= 0.1µF, typical values are at T
A
= +25°C, unless otherwise noted.)