MAX9722A(2003) データシートの表示（PDF） - Maxim Integrated
部品番号
コンポーネント説明
メーカー
MAX9722A
(Rev.:2003)
(Rev.:2003)
Maxim Integrated
MAX9722A Datasheet PDF : 20 Pages
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5V, Differential Input, DirectDrive, 130mW
Stereo Headphone Amplifiers with Shutdown
Typical Operating Characteristics (continued)
(MAX9722A, PVDD = SVDD = +5V, PGND = SGND = 0V, SHDN = SVDD, C1 = C2 = 1µF, RL = ∞, gain = -1V/V, single-ended input,
THD+N measurement bandwidth = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
100
VDD = 5V
AV = -1V/V
10 RL = 16Ω
DIFFERENTIAL
f = 10kHz
1
f = 1kHz
0.1
0.01
0.001
f = 20Hz
0.0001
0
10 20 30 40 50 60 70
OUTPUT POWER (mW)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. COMMON-MODE VOLTAGE
100
VDD = 5V
AV = -1V/V
10 f = 1kHz
DIFFERENTIAL
1
RL = 16Ω
0.1
0.01
0.001
RL = 32Ω
0.0001
-0.5 -0.3 -0.1 0.1 0.3 0.5
COMMON-MODE VOLTAGE (V)
OUTPUT POWER
vs. SUPPLY VOLTAGE
100
90
80
THD+N = 10%
70
60 THD+N = 1%
50
40
30
20
10
0
2.4
f = 1kHz
RL = 16Ω
2.6 2.8 3.0 3.2 3.4 3.6
SUPPLY VOLTAGE (V)
OUTPUT POWER
vs. SUPPLY VOLTAGE
200
180
160
THD+N = 10%
140
120 THD+N = 1%
100
80
60
40
20
0
2.4
f = 1kHz
RL = 32Ω
2.9 3.4 3.9 4.4 4.9
SUPPLY VOLTAGE (V)
POWER DISSIPATION
vs. OUTPUT POWER
300
VDD = 3V
f = 1kHz
250 POUT = PL + PR
200
RL = 16Ω
150
100
RL = 32Ω
50
0
0 10 20 30 40 50 60 70
OUTPUT POWER (mW)
100
90
80
70
60
50
40
30
20
10
0
10
OUTPUT POWER
vs. LOAD RESISTANCE
VDD = 3V
f = 1kHz
AV = -1V/V
THD+N = 10%
THD+N = 1%
100
1000
LOAD RESISTANCE (Ω)
POWER DISSIPATION
vs. OUTPUT POWER
600
VDD = 5V
f = 1kHz
500 POUT = PL + PR
400
RL = 16Ω
300
200
RL = 32Ω
100
0
0
20
40
60
80 100
OUTPUT POWER (mW)
OUTPUT POWER
vs. LOAD RESISTANCE
200
VDD = 5V
180 f = 1kHz
160 AV = -1V/V
140
120
THD+N = 1%
100
THD+N = 10%
80
60
40
20
0
10
100
1000
LOAD RESISTANCE (Ω)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
0
VDD = 3V
-10 AV = -1V/V
-20 RL = 32Ω
-30
-40
-50
-60
RIGHT
-70
LEFT
-80
-90
-100
10
100
1k
10k
100k
FREQUENCY (Hz)
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