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参数资料
| 型号： | MAX9727EEP+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 7/13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
_______________________________________________________________________________________
3
Note 1: All devices are 100% tested at TA = +25°C. Specifications over temperature are guaranteed by design.
Note 2: Inputs AC-coupled to PGND.
Note 3: Click-and-pop testing performed with a 1k resistive load connected to ground. Mode transitions are controlled by SHDN.
KCP level is calculated as 20log[(peak voltage during mode transition, no input signal)/1VRMS]. Units are expressed in dBV.
ELECTRICAL CHARACTERISTICS
(VDD = PVDD = 3.3V, PGND = 0V, SHDN = VDD, VCM = 0V, C1 = C2 = 1F, RIN = RF = 5k, RL = ∞, TA = TMIN to TMAX. Typical val-
ues are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VOUT = 1.6VRMS, BW = 22Hz to 22kHz,
f = 1kHz, unweighted, RL = 10k
0.0005
VOUT = 2VRMS, BW = 22Hz to 22kHz,
f = 1kHz, unweighted, RL = 10k
0.0006
Total Harmonic Distortion Plus
Noise
THD+N
VOUT = 1.6VRMS, BW = 22Hz to 22kHz,
f = 1kHz, unweighted, RL = 1k
0.003
%
22Hz to 22kHz
109
VOUT = 1.6VRMS,
RL = 1k
A-weighted
113.6
22Hz to 22kHz
111
Signal-to-Noise Ratio
SNR
VOUT = 2VRMS,
RL = 1k
A-weighted
115.5
dB
Into shutdown
-62.2
Click-and-Pop Level
KCP
Peak voltage,
A-weighted, 32
samples/s (Notes 2, 3)
Out of shutdown
-54.3
dBV
Slew Rate
RL = 1k
, CL = 100pF
0.9
V/s
Turn-On Time
tON
90
s
Turn-Off Time
tOFF
1s
Capacitive Drive
CL
No sustained oscillations
220
pF
Crosstalk
f = 10kHz
-70
dB
Large-Signal Open-Loop Gain
AVOL
VOUT = 2VRMS
82
dB
Small-Signal Open-Loop Gain
AVOS
VOUT = 100mVRMS
95
dB
Gain Bandwidth
GBW
3
MHz
Charge-Pump Switching
Frequency
fOSC
150
300
450
kHz
Charge-Pump Output Impedance
Measured at PVSS
20
ESD Protection
ESD
HBM
±8
kV
DIGITAL INPUTS (
SHDN)
Input-Voltage High
VIH
2.0
V
Input-Voltage Low
VIL
0.8
V
Input Leakage Current
ILEAK
±1
A
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