MAX9700 Maxim, MAX9700 Datasheet - Page 4
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MAX9700
Manufacturer Part Number
MAX9700
Description
1.2W / Low-EMI / Filterless / Class D Audio Amplifier
Manufacturer
Maxim
Datasheet
1.MAX9700.pdf
(19 pages)
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1.2W, Low-EMI, Filterless,
Class D Audio Amplifier
(V
4
DD
0.001
0.001
0.01
0.01
0.001
100
100
_______________________________________________________________________________________
0.01
0.1
0.1
10
10
= 3.3V, SYNC = GND (SSM), T
0.1
1
1
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
10
0
0
V
R
V
NO INPUT CAPACITORS
V
R
DD
L
CM
DD
L
= 8
V
R
= 8
f = 100Hz
DD
L
= 2.5V
DIFFERENTIAL
INPUT
= +5V
= 1.25V
= 8
0.1
= 5V
P
100
0.5
OUT
vs. OUTPUT POWER
vs. OUTPUT POWER
P
OUTPUT POWER (W)
OUTPUT POWER (W)
vs. FREQUENCY
OUT
= 300mW
FREQUENCY (Hz)
f = 1kHz
0.2
= 125mW
1.0
1k
SINGLE ENDED
0.3
f = 10kHz
10k
1.5
0.4
A
= +25°C, unless otherwise noted.)
100k
0.5
2.0
0.001
0.001
0.01
0.001
0.01
100
0.1
100
0.01
0.1
10
10
0.1
1
1
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
10
0
0
V
R
V
R
V
f = 1kHz
R
DD
L
DD
L
DD
L
= 8
= 16
= 8
= +3.3V
= 5V
0.2
= 5V
100
0.5
SSM
P
vs. OUTPUT POWER
OUT
vs. OUTPUT POWER
FFM
(SYNC FLOATING)
f = 10kHz
OUTPUT POWER (W)
f = 1kHz
OUTPUT POWER (W)
vs. FREQUENCY
FREQUENCY (Hz)
FFM
(SYNC = GND)
= 300mW
0.4
1.0
P
1k
OUT
Typical Operating Characteristics
0.6
= 125mW
f = 100Hz
1.5
10k
0.8
100k
1.0
2.0
0.001
0.001
0.001
0.01
0.01
0.01
100
100
0.1
0.1
10
10
0.1
1
1
1
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
TOTAL HARMONIC DISTORTION PLUS NOISE
10
0
0
V
R
P
V
R
DD
L
OUT
V
f = 1kHz
R
DD
L
f = 100Hz
= 8
DD
L
= 4
0.5
= +3.3V
= 8
= 125mW
= 5V
= 5V
f = 1kHz
f
100
SSM MODE
SYNC
vs. OUTPUT VOLTAGE
0.5
FFM MODE
vs. OUTPUT POWER
1.0
vs. FREQUENCY
OUTPUT POWER (W)
OUTPUT POWER (W)
f
SYNC
FREQUENCY (Hz)
= 800kHz
f
SYNC
1.5
= 2MHz
= 1.4MHz
1k
1.0
2.0
f = 10kHz
2.5
10k
1.5
3.0
100k
3.5
2.0