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MAX9700DEUB+T

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
100
0 0.5 1.0 1.5 2.0
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX9700 toc04
OUTPUT POWER (W)
THD+N (%)
V
DD
= 5V
R
L
= 8Ω
f = 1kHz
f = 10kHz
f = 100Hz
100
0 0.2 0.4 0.6 0.8 1.0
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX9700 toc05
OUTPUT POWER (W)
THD+N (%)
V
DD
= 5V
R
L
= 16Ω
f = 10kHz
f = 1kHz
f = 100Hz
100
0 0.5 1.0 1.5 2.0
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT VOLTAGE
MAX9700 toc06
OUTPUT POWER (W)
THD+N (%)
2.5
3.0 3.5
f = 10kHz
f = 1kHz
f = 100Hz
V
DD
= 5V
R
L
= 4Ω
100
0 0.1 0.2 0.3 0.4 0.5
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX9700 toc07
OUTPUT POWER (W)
THD+N (%)
V
DD
= 2.5V
R
L
= 8Ω
V
CM
= 1.25V
NO INPUT CAPACITORS
DIFFERENTIAL
INPUT
SINGLE ENDED
100
0 0.5 1.0 1.5 2.0
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX9700 toc08
OUTPUT POWER (W)
THD+N (%)
V
DD
= 5V
f = 1kHz
R
L
= 8Ω
FFM
(SYNC UNCONNECTED)
SSM
FFM
(SYNC = GND)
100
0 0.5 1.0 1.5 2.0
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX9700 toc09
OUTPUT POWER (W)
THD+N (%)
V
DD
= 5V
f = 1kHz
R
L
= 8Ω
f
SYNC
= 800kHz
f
SYNC
= 2MHz
f
SYNC
= 1.4MHz
MAX9700
1.2W, Low-EMI, Filterless,
Class D Audio Amplifier
4 _______________________________________________________________________________________
Typical Operating Characteristics
(V
DD
= 3.3V, SYNC = GND (SSM), T
A
= +25°C, unless otherwise noted.)
0.001
10 100k10k100 1k
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY
1
0.1
0.01
MAX9700 toc01
FREQUENCY (Hz)
THD+N (%)
V
DD
= +5V
R
L
= 8Ω
P
OUT
= 300mW
P
OUT
= 125mW
0.001
10 100k10k100 1k
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY
1
0.1
0.01
MAX9700 toc02
FREQUENCY (Hz)
THD+N (%)
V
DD
= +3.3V
R
L
= 8Ω
P
OUT
= 300mW
P
OUT
= 125mW
0.001
10 100k10k100 1k
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY
1
0.1
0.01
MAX9700 toc03
FREQUENCY (Hz)
THD+N (%)
V
DD
= +3.3V
R
L
= 8Ω
P
OUT
= 125mW
SSM MODE
FFM MODE
MAX9700
Typical Operating Characteristics (continued)
(V
DD
= 3.3V, SYNC = GND (SSM), T
A
= +25°C, unless otherwise noted.)
10
0 0.5 1.0 1.5 2.0 2.5 3.0
1
0.1
0.01
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. COMMON-MODE VOLTAGE
MAX9700 toc10
COMMON-MODE VOLTAGE (V)
THD+N (%)
V
DD
= 3.3V
R
L
= 8Ω
f = 1kHz
P
OUT
= 300mW
DIFFERENTIAL INPUT
EFFICIENCY vs. OUTPUT POWER
MAX9700toc11
OUTPUT POWER (W)
EFFICIENCY (%)
1.20.90.60.3
10
20
30
40
50
60
70
80
90
100
0
01.5
R
L
= 4Ω
R
L
= 8Ω
V
DD
= 3.3V
f = 1kHz
EFFICIENCY vs. OUTPUT POWER
MAX9700toc12
OUTPUT POWER (W)
EFFICIENCY (%)
2.01.50.5
10
20
30
40
50
60
70
80
90
100
0
03.0
R
L
= 8Ω
R
L
= 4Ω
V
DD
= 5V
f = 1kHz
1.0
2.5
1.2W, Low-EMI, Filterless,
Class D Audio Amplifier
_______________________________________________________________________________________ 5
0
30
20
10
50
40
90
80
70
60
100
2.5 3.0 3.5 4.0 4.5 5.0 5.5
EFFICIENCY vs. SUPPLY VOLTAGE
MAX9700 toc13
SUPPLY VOLTAGE (V)
EFFICIENCY (%)
R
L
= 8Ω
f = 1kHz
P
OUT
= MAX (THD+N = 1%)
R
L
= 4Ω
0
30
20
10
50
40
90
80
70
60
100
800 1000 1200 1400 18001600 2000
EFFICIENCY
vs. SYNC INPUT FREQUENCY
MAx9700 toc14
SYNC FREQUENCY (kHz)
EFFICIENCY (%)
V
DD
= 3.3V
f = 1kHz
P
OUT
= 300mW
R
L
= 8Ω
OUTPUT POWER vs.
SUPPLY VOLTAGE
MAX9700toc15
SUPPLY VOLTAGE (V)
OUTPUT POWER (W)
5.04.54.03.53.0
1.5
2.0
2.5
3.0
3.5
0
2.5 5.5
1.0
0.5
R
L
= 4Ω
THD+N = 10%
R
L
= 4Ω
THD+N = 1%
R
L
= 8Ω
THD+N = 10%
R
L
= 8Ω
THD+N = 1%
f = 1kHz
OUTPUT POWER vs. LOAD RESISTANCE
MAX9700toc16
LOAD RESISTANCE (Ω)
OUTPUT POWER (mW)
908070605040302010
400
800
1200
1600
2000
0
0 100
V
DD
= 5V
f = 1kHz
THD+N = 1%
V
DD
= 3.3V
0
-100
10 100 1k 10k 100k
COMMON-MODE REJECTION RATIO
vs. FREQUENCY
-80
MAX9700TOC17
FREQUENCY (Hz)
CMRR (dB)
-60
-40
-20
-30
-50
-70
-90
-10
INPUT REFERRED
V
IN
= 200mV
P-P
0
-100
10 100 1k 10k 100k
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
-80
MAX9700TOC18
FREQUENCY (Hz)
PSRR (dB)
-60
-40
-20
-30
-50
-70
-90
-10
OUTPUT REFERRED
INPUTS AC GROUNDED
V
DD
= 3.3V
MAX9700
1.2W, Low-EMI, Filterless,
Class D Audio Amplifier
6 _______________________________________________________________________________________
-140
-100
-120
-60
-80
-20
-40
0
OUTPUT FREQUENCY SPECTRUM
MAX9700 toc22
FREQUENCY (Hz)
OUTPUT MAGNITUDE (dBV)
0 5k 10k 15k 20k
SSM MODE
V
OUT
= -60dBV
f = 1kHz
R
L
= 8Ω
A-WEIGHTED
0
-100
1M 10M 100M 1G
WIDEBAND OUTPUT SPECTRUM
(FFM MODE)
-80
MAX9700 toc23
FREQUENCY (Hz)
OUTPUT AMPLITUDE (dB)
-60
-40
-20
-30
-50
-70
-90
-10
RBW = 10kHz
0
-100
1M 10M 100M 1G
WIDEBAND OUTPUT SPECTRUM
(SSM MODE)
-80
MAX9700 toc24
FREQUENCY (Hz)
OUTPUT AMPLITUDE (dB)
-60
-40
-20
-30
-50
-70
-90
-10
RBW = 10kHz
TURN-ON/TURN-OFF RESPONSE
MAX9700 toc25
MAX9700
OUTPUT
SHDN
0V
250mV/div
3V
10ms/div
f = 1kHz
R
L
= 8Ω
-140
-100
-120
-60
-80
-20
-40
0
OUTPUT FREQUENCY SPECTRUM
MAX9700 toc21
FREQUENCY (Hz)
OUTPUT MAGNITUDE (dBV)
0 5k 10k 15k 20k
SSM MODE
V
OUT
= -60dBV
f = 1kHz
R
L
= 8Ω
UNWEIGHTED
GSM POWER-SUPPLY REJECTION
MAX9700 toc19
MAX9700
OUTPUT
V
DD
100μV/div
500mV/div
2ms/div
f = 217Hz
INPUT LOW = 3V
INPUT HIGH = 3.5V
DUTY CYCLE = 88%
R
L
= 8Ω
-140
-100
-120
-60
-80
-20
-40
0
OUTPUT FREQUENCY SPECTRUM
MAX9700 toc20
FREQUENCY (Hz)
OUTPUT MAGNITUDE (dBV)
0 5k 10k 15k 20k
FFM MODE
V
OUT
= -60dBV
f = 1kHz
R
L
= 8Ω
UNWEIGHTED
Typical Operating Characteristics (continued)
(V
DD
= 3.3V, SYNC = GND (SSM), T
A
= +25°C, unless otherwise noted.)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

MAX9700DEUB+T

Mfr. #:
Buy MAX9700DEUB+T
Manufacturer:
Maxim Integrated
Description:
Audio Amplifiers 1.2W L-EMI Filterles Class D Audio Amp
Lifecycle:
New from this manufacturer.
Delivery:
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