MAX9741 View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX9741 Datasheet PDF : 16 Pages
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12W+12W, Low-EMI, Spread-Spectrum,
Stereo, Class D Amplifier
Typical Operating Characteristics (continued)
(VDD = 18V, RL = 8Ω, fIN = 1kHz, 33µH with 4Ω, 68µH with 8Ω, part in SSM mode, 136µH with 16Ω, measurement BW = 22Hz to
22kHz, unless otherwise noted.)
WIDEBAND OUTPUT SPECTRUM
(SSM MODE)
0
RBW = 10kHz
-20
-40
TURN-ON/TURN-OFF RESPONSE
MAX9741 toc17
CSS = 180pF
SHDN
5V/div
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
WITH FERRITE BEAD FILTER
10
RL = 8Ω
VDD = 12V VDD = 18V
VDD = 24V
1
-60
-80
-100
-120
100k
1M
10M
FREQUENCY (Hz)
OUTPUT
1V/div
100M
f = 1kHz
20ms/div
0.1
0.01
0
5
10
15
20
OUTPUT POWER (W)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
WITH FERRITE BEAD FILTER
10
RL = 4Ω
VDD = 12V
1
VDD = 18V
0.1
VDD = 24V
0.01
0
5
10
15
OUTPUT POWER (W)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
35
30
25
20
15
10
5
0
10
13
16
19
22
25
SUPPLY VOLTAGE (V)
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
10
12
14
16
18
20
SUPPLY VOLTAGE (V)
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