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MAX9725 데이터시트(PDF) 3 Page - Maxim Integrated Products

부품명 MAX9725
상세설명  1V, Low-Power, DirectDrive, Stereo Headphone Amplifier with Shutdown
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제조업체  MAXIM [Maxim Integrated Products]
홈페이지  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX9725 데이터시트(HTML) 3 Page - Maxim Integrated Products

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1V, Low-Power, DirectDrive, Stereo Headphone
Amplifier with Shutdown
_______________________________________________________________________________________
3
Note 1: Input leakage current measurements limited by automated test equipment.
Note 2: fIN = 1kHz, TA = +25°C, THD+N < 1%, both channels driven in-phase.
Note 3: Testing performed with 32
Ω resistive load connected to outputs. Mode transitions controlled by SHDN. KCP level calculated
as 20 log [peak voltage under normal operation at rated power level / peak voltage during mode transition]. Inputs are AC-
grounded.
Typical Operating Characteristics
(VDD = 1.5V, PGND = SGND = 0V, VSHDN = 1.5V, VSS = PVSS, C1 = C2 = 1µF, CIN = 1µF, THD+N measurement bandwidth = 22Hz
to 22kHz, TA = +25
°C, unless otherwise noted.) (See the Functional Diagram.)
10
10k
1k
100
100k
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
FREQUENCY (Hz)
1
0.1
0.001
0.01
VDD = 1.5V
RL = 16
AV = -2V/V
POUT = 15mW
POUT = 2mW
10
10k
1k
100
100k
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
FREQUENCY (Hz)
1
0.1
0.001
0.01
VDD = 1.5V
RL = 32
AV = -2V/V
POUT = 12mW
POUT = 2mW
10
10k
1k
100
100k
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
FREQUENCY (Hz)
1
0.1
0.001
0.01
VDD = 1V
RL = 16
AV = -2V/V
POUT = 0.7mW
POUT = 4mW
10
10k
1k
100
100k
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
FREQUENCY (Hz)
1
0.1
0.001
0.01
POUT = 0.7mW
POUT = 4mW
VDD = 1V
RL = 32
AV = -2V/V
100
010203040
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
OUTPUT POWER (mW)
VDD = 1.5V
RL = 16
AV = -2V/V
fIN = 20Hz
fIN = 1kHz
fIN = 10kHz
100
010203040
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
OUTPUT POWER (mW)
VDD = 1.5V
RL = 32
AV = -2V/V
fIN = 20Hz
fIN = 1kHz
fIN = 10kHz
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 1.5V, PGND = SGND = 0V, VSHDN = 1.5V, VSS = PVSS, C1 = C2 = 1µF, CIN = 1µF, RL =
∞, TA = TMIN to TMAX, unless otherwise
noted. Typical values are at TA = +25
°C.) (See the Functional Diagram.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Slew Rate
SR
0.2
V/µs
Maximum Capacitive Load
CL
No sustained oscillations
150
pF
Crosstalk
XTALK
fIN = 1.0kHz, RL = 32
Ω, POUT = 5mW
100
dB
Into shutdown
72.8
Click/Pop Level
KCP
RL = 32
Ω, peak voltage, A-
weighted, 32 samples per
second (Note 3)
Out of shutdown
72.8
dB
ESD Protection
VESD
Human Body Model (OUTR, OUTL)
±8
kV


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