MAX9779 查看數據表（PDF） - Maxim Integrated
零件编号
产品描述 (功能)
生产厂家
MAX9779 Datasheet PDF : 19 Pages
| |||
2.6W Stereo Audio Power Amplifier and
DirectDrive Headphone Amplifier
Typical Operating Characteristics
(Measurement BW = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (SPEAKER MODE)
10
VDD = 5V
RL = 3Ω
1
OUTPUT POWER = 1.5W
0.1
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (SPEAKER MODE)
10
VDD = 5V
RL = 4Ω
1
OUTPUT POWER = 1.25W
0.1
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (SPEAKER MODE)
10
VDD = 5V
RL = 8Ω
1
OUTPUT POWER = 100mW
0.1
0.01
0.001
OUTPUT POWER = 500mW
0.01
0.001
OUTPUT POWER = 500mW
0.01
0.001
OUTPUT POWER = 600mW
0.0001
10
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (SPEAKER MODE)
100
VDD = 5V
RL = 3Ω
10
0.0001
10
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (SPEAKER MODE)
100
VDD = 5V
RL = 4Ω
10
0.0001
10
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (SPEAKER MODE)
100
VDD = 5V
RL = 8Ω
10
1
f = 1kHz
0.1
f = 10kHz
1
f = 10kHz
f = 1kHz
0.1
1
0.1
f = 1kHz f = 10kHz
0.01
f = 20Hz
0.001
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5
OUTPUT POWER (W)
0.01
0.001
0
f = 20Hz
0.5 1.0 1.5 2.0 2.5 3.0
OUTPUT POWER (W)
0.01
0.001
0
f = 20Hz
0.5
1.0
1.5
OUTPUT POWER (W)
OUTPUT POWER
vs. LOAD RESISTANCE (SPEAKER MODE)
3.5
3.0
THD+N = 10%
2.5
2.0
THD+N = 1%
1.5
1.0
0.5
0
1
10
100
LOAD RESISTANCE (Ω)
POWER DISSIPATION vs. OUTPUT POWER
(SPEAKER MODE)
5
VDD = 5V
f = 1kHz
4 POUT = POUTL + POUTR
3
RL = 4Ω
2
RL = 8Ω
1
0
0
1
2
3
4
OUTPUT POWER (W)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (SPEAKER MODE)
0
VRIPPLE = 200mVP-P
-10 OUTPUT REFERRED
-20
-30
-40
-50
-60
-70
-80
-90
-100
10
100
1k
10k
100k
FREQUENCY (Hz)
_______________________________________________________________________________________ 5
Share Link: 