MAX9722BEUE 查看數據表（PDF） - Unspecified
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产品描述 (功能)
生产厂家
MAX9722BEUE
Unspecified
MAX9722BEUE 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.)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
0
VDD = 5V
-10 AV = -1V/V
-20 RL = 32Ω
-30
-40
-50
-60
-70 RIGHT
-80
-90
-100
10
LEFT
100
1k
10k
100k
FREQUENCY (Hz)
CROSSTALK vs. FREQUENCY
0
VDD = 3V
-10 AV = -1V/V
-20 VIN = 200mVP-P
RL = 32Ω
-30
-40
-50
-60
RIGHT TO LEFT
-70
-80
-90
LEFT TO RIGHT
-100
10
100
1k
10k
100k
FREQUENCY (Hz)
CROSSTALK vs. FREQUENCY
0
VDD = 5V
-10 AV = -1V/V
-20 VIN = 200mVP-P
RL = 32Ω
-30
-40
-50
-60
RIGHT TO LEFT
-70
-80
-90
LEFT TO RIGHT
-100
10
100
1k
10k
100k
FREQUENCY (Hz)
GAIN FLATNESS vs. FREQUENCY
4
VDD = 5V
3 AV = -1V/V
RL = 32Ω
2
1
0
-1
-2
-3
-4
10
100
1k
10k
100k
FREQUENCY (Hz)
OUTPUT SPECTRUM vs. FREQUENCY
10
0
VDD = 5V
RL = 32Ω
-10
VOUT = 1mVRMS
-20
f = 1kHz
AV = -1V/V
-30
-40
-50
-60
-70
-80
-90
-100
0
5
10
15
20
FREQUENCY (kHz)
CHARGE-PUMP OUTPUT RESISTANCE
vs. SUPPLY VOLTAGE
10
VIN = GND
9
IPVSS = 10mA
8
C1 = C2 = 2.2µF
NO LOAD
7
6
5
4
3
2
1
0
2.4 2.8 3.2 3.6 4.0 4.4 4.8 5.2 5.6
SUPPLY VOLTAGE (V)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
8
7
6
5
4
3
2
1
0
0
1
2
3
4
5
SUPPLY VOLTAGE (V)
OUTPUT POWER vs. LOAD RESISTANCE
60
C1 = C2 = 2.2µF
50
40
30
20
10
0
10
C1 = C2 = 0.68µF
C1 = C2 = 1µF
C1 = C2 = 0.47µF
VDD = 3V
f = 1kHz
AV = -1V/V
THD+N = 1%
20
30
40
50
LOAD RESISTANCE (Ω)
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
20
18
16
14
12
10
8
6
4
2
0
0
1
2
3
4
5
SUPPLY VOLTAGE (V)
6 _______________________________________________________________________________________
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