MAX4410 Просмотр технического описания (PDF) - Maxim Integrated
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MAX4410 Datasheet PDF : 20 Pages
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80mW, DirectDrive Stereo Headphone Driver
with Shutdown
Typical Operating Characteristics (continued)
(C1 = C2 = 2.2µF, THD + N measurement bandwidth = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)
POWER DISSIPATION
vs. OUTPUT POWER
70
INPUTS
60
IN PHASE
50
INPUTS 180°
40
OUT OF PHASE
30
20
fIN = 1kHz
RL = 32Ω
10
VDD = 1.8V
POUT = POUTL + POUTR
0
0 10 20 30 40 50 60
OUTPUT POWER (mW)
GAIN AND PHASE vs. FREQUENCY
80
60
40
GAIN
20
0
-20
-40
-60
-80
PHASE
-100
-120
-140
VDD = 3V
AV = 1000V/V
-160 RL = 16Ω
-180
100 1k
10k 100k
1M 10M
FREQUENCY (Hz)
GAIN FLATNESS vs. FREQUENCY
10
0
-10
-20
-30
VDD = 3V
-40 AV = -1V/V
RL = 16Ω
-50
10 100 1k
10k 100k 1M 10M
FREQUENCY (Hz)
OUTPUT POWER vs. CHARGE-PUMP
CAPACITANCE AND LOAD RESISTANCE
90
C1 = C2 = 2.2µF
80
70
C1 = C2 = 1µF
60
50 C1 = C2 = 0.68µF
40
30
C1 = C2 = 0.47µF
20
10
0
10
fIN = 1kHz
THD + N = 1%
INPUTS IN PHASE
20
30
40
50
LOAD RESISTANCE (Ω)
CHARGE-PUMP OUTPUT RESISTANCE
vs. SUPPLY VOLTAGE
10
VIN_ = GND
8
IPVSS = 10mA
NO LOAD
6
4
2
0
1.8 2.1 2.4 2.7 3.0 3.3 3.6
SUPPLY VOLTAGE (V)
OUTPUT SPECTRUM vs. FREQUENCY
0
VIN = 1VP-P
-20
fIN = 1kHz
RL = 32Ω
AV = -1V/V
-40
-60
-80
-100
-120
0.1
1
10
100
FREQUENCY (kHz)
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