Quad Audio Line Driver with 3VRMS Output _______________________________" />
參數(shù)資料
型號： MAX9727EEP+T
廠商： Maxim Integrated Products
文件頁數(shù)： 11/13頁
文件大?。?/td> 0K
描述： IC AMP AUDIO QUAD AB DIFF 20QSOP
標準包裝： 2,500
系列： DirectDrive®
類型： AB 類
輸出類型： 4-通道（四路）
電源電壓： 2.7 V ~ 5.5 V
特點： 消除爆音，差分輸入，關(guān)閉，熱保護
安裝類型： 表面貼裝
供應(yīng)商設(shè)備封裝： 20-QSOP
封裝/外殼： 20-SSOP（0.154"，3.90mm 寬）
包裝： 帶卷 (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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