MAX9746BEBCT View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX9746BEBCT Datasheet PDF : 16 Pages
| |||
1.2W, Low-EMI, Filterless,
Class D Audio Amplifier
Typical Operating Characteristics
(VDD = 3.3V, SYNC = VDD (SSM), TA = +25°C, unless otherwise noted.)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY
10
VDD = +3.3V
RL = 8Ω
1
POUT = 125mW
POUT = 300mW
0.1
0.01
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY
10
VDD = +3.3V
RL = 8Ω
POUT = 125mW
1
SSM (VDD)
0.1
0.01
FFM (GND)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
100
VDD = 5V
RL = 8Ω
10
1
f = 100Hz
0.1
f = 1kHz
0.01
f = 10kHz
0.001
10
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
100
VDD = 3.3V
RL = 8Ω
10
fIN = 100Hz
1
fIN = 1kHz
0.001
10
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
100
VDD = 3.3V
RL = 8Ω
10
1
SYNC = FLOAT
0.001
0
0.3 0.5 0.8 1.0 1.3 1.5
OUTPUT POWER (W)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
100
VDD = 3.3V
RL = 8Ω
10
SYNC = 2MHz
1
0.1
fIN = 10kHz
0.1
0.1
SYNC = VDD
SYNC = 800kHz
SYNC = 1.4MHz
0.01
0.01
SYNC = GND
0.01
0.001
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
OUTPUT POWER (W)
0.001
0 0.1 0.2 0.3 0.4 0.5 0.6
OUTPUT POWER (W)
0.001
0 0.1 0.2 0.3 0.4 0.5 0.6
OUTPUT POWER (W)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. COMMON-MODE VOLTAGE
100
VDD = 3.3V
fIN = 1kHz
10 POUT = 500mW
RL = 8Ω
DIFFERENTIAL INPUT
1
0.1
0.01
0.001
0
0.5 1.0 1.5 2.0 2.5
COMMON-MODE VOLTAGE (V)
100
90
80
70
60
50
40
30
20
10
0
0
EFFICIENCY
vs. OUTPUT POWER
VDD = 3.3V
fIN = 1kHz
RL = 8Ω
0.1 0.2 0.3 0.4 0.5 0.6
OUTPUT POWER (W)
4 _______________________________________________________________________________________
Share Link: 