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参数资料
| 型号： | MAX9727EEP+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 9/13页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO QUAD AB DIFF 20QSOP |
| 标准包装： | 2,500 |
| 系列： | DirectDrive® |
| 类型： | AB 类 |
| 输出类型： | 4-通道（四路） |
| 电源电压： | 2.7 V ~ 5.5 V |
| 特点： | 消除爆音，差分输入，关闭，热保护 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 20-QSOP |
| 封装/外壳： | 20-SSOP（0.154"，3.90mm 宽） |
| 包装： | 带卷 (TR) |
MAX9727
CROSSTALK vs. FREQUENCY
MAX9727
toc18
FREQUENCY (Hz)
CROSSTALK
(dB)
10k
1k
100
-130
-120
-110
-100
-90
-80
-140
10
100k
VDD = 3.3V
VOUT = 2VRMS
RL = 1k
Ch. D to Ch. A
Ch. D to Ch. B
Ch. D to Ch. C
Quad Audio Line Driver with 3VRMS Output
_______________________________________________________________________________________
5
OUTPUT VOLTAGE
vs. SUPPLY VOLTAGE
MAX9727
toc10
SUPPLY VOLTAGE (V)
OUTPUT
VOLTAGE
(V
RMS
)
5.0
4.5
4.0
3.5
3.0
1.5
2.0
2.5
3.0
3.5
4.0
1.0
2.5
5.5
fIN = 1kHz
RL = 1k
THD+N = 10%
THD+N = 1%
OUTPUT VOLTAGE
vs. LOAD RESISTANCE
MAX9727
toc11
LOAD RESISTANCE (k
)
OUTPUT
VOLTAGE
(V
RMS
)
8
6
4
2
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
0
010
VDD = 5V
THD+N = 10%
THD+N = 1%
OUTPUT VOLTAGE
vs. LOAD RESISTANCE
MAX9727
toc12
LOAD RESISTANCE (k
)
OUTPUT
VOLTAGE
(V
RMS
)
8
6
4
2
0.5
1.0
1.5
2.0
2.5
3.0
0
010
VDD = 3.3V
THD+N = 10%
THD+N = 1%
CHARGE-PUMP OUTPUT VOLTAGE
vs. OUTPUT CURRENT
MAX9727
toc13
OUTPUT CURRENT (mA)
OUTPUT
VOLTAGE
(V)
100
80
60
40
20
-3.0
-2.5
-2.0
-1.5
-1.0
-0.5
0
0.5
1.0
-3.5
0
120
VDD = 3.3V
OUTPUTS UNLOADED,
CHARGE-PUMP LOAD
CONNECTED BETWEEN
PVSS AND PGND
C1 = C2 = C3 = 1
F
C1 = C2 = C3 = 0.22
F
C1 = C2 = C3 = 0.1
F
CHARGE-PUMP OUTPUT VOLTAGE
vs. OUTPUT CURRENT
MAX9727
toc14
OUTPUT CURRENT (mA)
OUTPUT
VOLTAGE
(V)
150
100
50
-5
-4
-3
-2
-1
0
1
2
3
-6
0200
VDD = 5V
OUTPUTS UNLOADED,
CHARGE-PUMP LOAD
CONNECTED BETWEEN
PVSS AND PGND
C1 = C2 = C3 = 1
F
C1 = C2 = C3 = 0.22
F
C1 = C2 = C3 = 0.1
F
GAIN AND PHASE
vs. FREQUENCY
MAX9727
toc15
FREQUENCY (kHz)
GAIN/PHASE
(dB/DEGREES)
1000
100
10
1
-120
-60
0
60
-180
0.1
10,000
GAIN
PHASE
AV = 60dB
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX9727
toc16
FREQUENCY (Hz)
PSRR
(dB)
-70
-60
-50
-40
-20
-30
-10
0
-80
RL = 1k
VDD = 5V + 100mVP-P
VDD = 3.3V + 100mVP-P
10k
1k
100
10
100k
CROSSTALK vs. FREQUENCY
MAX9727
toc17
FREQUENCY (Hz)
CROSSTALK
(dB)
10k
1k
100
-130
-120
-110
-100
-90
-80
-140
10
100k
VDD = 5V
VOUT = 3VRMS
RL = 1k
Ch. D to Ch. A
Ch. D to Ch. B
Ch. D to Ch. C
Typical Operating Characteristics (continued)
(VDD = PVDD = 3.3V, VCM = 0V, RIN = RF = 5k, THD+N measurement bandwidth = 22Hz to 22kHz, TA = +25°C, unless otherwise
noted.)
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