MAX9742 データシートの表示（PDF） - Maxim Integrated
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MAX9742 Datasheet PDF : 36 Pages
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Single-/Dual-Supply, Stereo 16W,
Class D Amplifier with Differential Inputs
Typical Operating Characteristics (continued)
(24V single-supply mode, ±15V dual-supply mode, both channels driven in phase, THD+N measurement bandwidth = 22Hz to
22kHz, TA = +25°C, unless otherwise noted. See Figure 1 for test circuits, see Typical Application Circuits/Functional Diagrams for
test circuit component values.)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
100
BTL CONFIGURATION
VDD = 24V
10 RL = 8Ω
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
100
SINGLE SUPPLY
VDD = 24V
RL = 8Ω
10 TA = 40°C
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
100
SINGLE SUPPLY
VDD = 24V
RL = 8Ω
10 TA = 40°C
1
f = 1kHz
0.1
1
f = 1kHz
1
f = 1kHz
0.01
0.001
0
f = 100Hz
10
20
30
40
OUTPUT POWER (W)
0.1
f = 100Hz
0.01
0
5
10
15
OUTPUT POWER PER CHANNEL (W)
0.1
f = 100Hz
0.01
0
5
10
15
20
OUTPUT POWER PER CHANNEL (W)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
100
BTL CONFIGURATION
VDD = 24V
10 RL = 8Ω
TA = 40°C
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
100
DUAL SUPPLY
RL = 8Ω
10
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
100
DUAL SUPPLY
RL = 4Ω
10
1
f = 1kHz
0.1
1
POUT = 8W
POUT = 13W
1
f = 100Hz
0.01
0.001
0
10
20
30
40
OUTPUT POWER (W)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
100
SINGLE SUPPLY
VDD = 24V
10 RL = 8Ω
0.1
0.01
100
POUT = 4W
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
100
SINGLE SUPPLY
VDD = 24V
10 RL = 4Ω
0.1
POUT = 8W
0.01
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
100
BTL CONFIGURATION
VDD = 24V
10 RL = 8Ω
1
POUT = 5W
1
POUT = 9W
1
POUT = 17W
0.1
0.1
POUT = 3W
POUT = 5W
0.01
0.01
0.1
POUT = 12W
0.01
0.001
100
1k
10k
FREQUENCY (Hz)
0.001
100k
100
1k
10k
FREQUENCY (Hz)
0.001
100k
100
1k
10k
100k
FREQUENCY (Hz)
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