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参数资料
| 型号： | MAX9727EEP+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 11/13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
Quad Audio Line Driver with 3VRMS Output
_______________________________________________________________________________________
7
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.)
Pin Description
PIN
NAME
FUNCTION
1
OUTA
Output A
2
INA-
Inverting Input A
3
INA+
Noninverting Input A
4VDD
Analog Positive Supply. Bypass with a 0.1F capacitor to PGND.
5
INB+
Noninverting Input B
6
INB-
Inverting Input B
7
OUTB
Output B
8
SHDN
Active-Low Shutdown Input. Connect
SHDN to VDD for normal operation.
9PVDD
Charge-Pump Positive Supply. Bypass with a 1F capacitor to PGND.
10
C1P
Charge-Pump Flying Capacitor Positive Terminal. Connect a 1F capacitor between C1P and C1N.
11
PGND
Power Ground
12
C1N
Charge-Pump Flying Capacitor Negative Terminal. Connect a 1F capacitor between C1P and C1N.
13
PVSS
Charge-Pump Negative Supply. Bypass with a 1F capacitor to PGND.
14
OUTC
Output C
15
INC-
Inverting Input C
16
INC+
Noninverting Input C
17
VSS
Amplifier Negative Rail. Connect to PVSS.
18
IND+
Noninverting Input D
19
IND-
Inverting Input D
20
OUTD
Output D
OUTPUT NOISE SPECTRUM
vs. FREQUENCY
MAX9727
toc27
FREQUENCY (kHz)
AMPLITUDE
(dBV)
15
10
5
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-150
020
VDD = 5V
VIN = 0V
OUTPUT NOISE DENSITY
vs. FREQUENCY
MAX9727
toc28
FREQUENCY (kHz)
VOLTAGE-NOISE
DENSITY
(
V/
Hz)
5
10
15
20
25
0
15
10
5
020
VDD = 3.3V
RL = 1k
OUTPUT BACKDRIVEN DURING SHUTDOWN
1ms/div
SIGNAL
SOURCE
2V/div
OUT_
2V/div
VSS
100mV/div
SHDN = 0V
EXTERNAL SIGNAL SOURCE
CONNECTED TO OUTPUT
RSOURCE = 100
MAX9727
toc29
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相关代理商/技术参数 |
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