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MAX9724DETC+

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P19
MAX9724C/MAX9724D
Low RF Susceptibility DirectDrive Stereo Head-
phone Amplifier with 1.8V Compatible Shutdown
4 _______________________________________________________________________________________
Typical Operating Characteristics
(V
DD
= 5V, PGND = SGND = 0V, SHDN = V
DD
, C1 = C2 = 1µF, R
L
= ∞, gain = -1.5V/V (R
IN
= 20kΩ, R
F
= 30kΩ for the MAX9724C),
THD+N measurement bandwidth = 22Hz to 22kHz, both outputs driven in phase, T
A
= +25°C, unless otherwise noted.)
100
020 6040 80 100
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER (TQFN)
MAX9724 toc05
OUTPUT POWER (mW)
THD+N (%)
V
DD
= 5V
R
L
= 16Ω
f
IN
= 1kHz
f
IN
= 20Hz
f
IN
= 10kHz
10
010 3020 40 50 60 70 80
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER (UCSP)
MAX9724 toc06
OUTPUT POWER (mW)
THD+N (%)
V
DD
= 5V
R
L
= 16Ω
f
IN
= 1kHz
f
IN
= 20Hz
f
IN
= 10kHz
100
020 6040 80 120
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER (TQFN)
MAX9724 toc07
OUTPUT POWER (mW)
THD+N (%)
100
V
DD
= 5V
R
L
= 32Ω
f
IN
= 1kHz
f
IN
= 20Hz
f
IN
= 10kHz
10
05025 75 100
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER (UCSP)
MAX9724 toc08
OUTPUT POWER (mW)
THD+N (%)
V
DD
= 5V
R
L
= 32Ω
f
IN
= 1kHz
f
IN
= 20Hz
f
IN
= 10kHz
10 1k100 10k 100k
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY (TQFN)
MAX9724 toc09
FREQUENCY (Hz)
THD+N (%)
1
0.1
0.001
0.01
V
DD
= 3V
R
L
= 16Ω
P
OUT
= 5mW
P
OUT
= 10mW
MAX9724C/MAX9724D
Low RF Susceptibility DirectDrive Stereo Head-
phone Amplifier with 1.8V Compatible Shutdown
_______________________________________________________________________________________
5
Typical Operating Characteristics (continued)
(V
DD
= 5V, PGND = SGND = 0V, SHDN = V
DD
, C1 = C2 = 1µF, R
L
= ∞, gain = -1.5V/V (R
IN
= 20kΩ, R
F
= 30kΩ for the MAX9724C),
THD+N measurement bandwidth = 22Hz to 22kHz, both outputs driven in phase, T
A
= +25°C, unless otherwise noted.)
10 1k100 10k 100k
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY (UCSP)
MAX9724 toc10
FREQUENCY (Hz)
THD+N (%)
1
0.1
0.001
0.01
V
DD
= 3V
R
L
= 16Ω
P
OUT
= 5mW
P
OUT
= 10mW
10 1k100 10k 100k
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY (TQFN)
MAX9724 toc13
FREQUENCY (Hz)
THD+N (%)
1
0.1
0.001
0.01
V
DD
= 5V
R
L
= 16Ω
P
OUT
= 20mW
P
OUT
= 37mW
10 1k100 10k 100k
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY (UCSP)
MAX9724 toc14
FREQUENCY (Hz)
THD+N (%)
1
0.1
0.001
0.01
V
DD
= 5V
R
L
= 16Ω
P
OUT
= 20mW
P
OUT
= 32mW
10 1k100 10k 100k
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY (TQFN)
MAX9724 toc15
FREQUENCY (Hz)
THD+N (%)
1
0.1
0.001
0.01
V
DD
= 5V
R
L
= 32Ω
P
OUT
= 50mW
P
OUT
= 30mW
10 1k100 10k 100k
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY (UCSP)
MAX9724 toc16
FREQUENCY (Hz)
THD+N (%)
1
0.1
0.001
0.01
V
DD
= 5V
R
L
= 32Ω
P
OUT
= 45mW
P
OUT
= 20mW
0
20
10
40
30
50
60
2.5 3.5 4.03.0 4.5 5.0 5.5
OUTPUT POWER vs. SUPPLY
VOLTAGE (TQFN)
MAX9724 toc17
SUPPLY VOLTAGE (V)
OUTPUT POWER (mW)
f
IN
= 1kHz
R
L
= 16Ω
10% THD+N
1% THD+N
0
20
10
40
30
60
50
70
2.5 3.5 4.03.0 4.5 5.0 5.5
OUTPUT POWER vs. SUPPLY
VOLTAGE (UCSP)
MAX9724 toc18
SUPPLY VOLTAGE (V)
OUTPUT POWER (mW)
f
IN
= 1kHz
R
L
= 16Ω
10% THD+N
1% THD+N
MAX9724C/MAX9724D
Low RF Susceptibility DirectDrive Stereo Head-
phone Amplifier with 1.8V Compatible Shutdown
6 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
DD
= 5V, PGND = SGND = 0V, SHDN = V
DD
, C1 = C2 = 1µF, R
L
= ∞, gain = -1.5V/V (R
IN
= 20kΩ, R
F
= 30kΩ for the MAX9724C),
THD+N measurement bandwidth = 22Hz to 22kHz, both outputs driven in phase, T
A
= +25°C, unless otherwise noted.)
0
30
20
10
40
50
60
70
80
90
100
2.5 3.53.0 4.0 4.5 5.0 5.5
OUTPUT POWER
vs. SUPPLY VOLTAGE (TQFN)
MAX9724 toc19
SUPPLY VOLTAGE (V)
OUTPUT POWER (mW)
f
IN
= 1kHz
R
L
= 32Ω
1% THD+N
10% THD+N
0
30
20
10
40
50
60
70
80
90
100
2.5 3.53.0 4.0 4.5 5.0 5.5
OUTPUT POWER
vs. SUPPLY VOLTAGE (UCSP)
MAX9724 toc20
SUPPLY VOLTAGE (V)
OUTPUT POWER (mW)
f
IN
= 1kHz
R
L
= 32Ω
1% THD+N
10% THD+N
35
0
10 100 1000
OUTPUT POWER
vs. LOAD RESISTANCE (TQFN)
5
MAX9724 toc21
LOAD RESISTANCE (Ω)
OUTPUT POWER (mW)
15
10
20
25
30
V
DD
= 3V
f
IN
= 1kHz
1% THD+N
10% THD+N
35
0
10 100 1000
OUTPUT POWER
vs. LOAD RESISTANCE (UCSP)
5
MAX9724 toc22
LOAD RESISTANCE (Ω)
OUTPUT POWER (mW)
15
10
20
25
30
V
DD
= 3V
f
IN
= 1kHz
THD+N = 1%
THD+N = 10%
0
50
150
100
200
250
POWER DISSIPATION
vs. OUTPUT POWER (TQFN)
MAX9724t oc25
OUTPUT POWER (mW)
POWER DISSIPATION (mW)
04020 60 80
V
DD
= 3V
f
IN
= 1kHz
P
OUT
= P
OUTL
+ P
OUTR
OUTPUTS IN PHASE
R
L
= 16Ω
R
L
= 32Ω
0
20
100
80
60
40
120
140
160
POWER DISSIPATION
vs. OUTPUT POWER (UCSP)
MAX9724t oc26
OUTPUT POWER (mW)
POWER DISSIPATION (mW)
010152025305404535 50
V
DD
= 3V
f
IN
= 1kHz
P
OUT
= P
OUTL
+ P
OUTR
OUTPUTS IN PHASE
R
L
= 16Ω
R
L
= 32Ω
0
-120
10 100 10k 100k
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
-100
-80
-40
-60
-20
MAX9724 toc27
FREQUENCY (Hz)
PSRR (dB)
1k
V
DD
= 5V
V
DD
= 3V
R
L
= 32Ω
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P19

MAX9724DETC+

Mfr. #:
Buy MAX9724DETC+
Manufacturer:
Maxim Integrated
Description:
Audio Amplifiers Low RF Susceptible Headphone Amplifier
Lifecycle:
New from this manufacturer.
Delivery:
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Payment:
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