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| 型号： | MAX9702ETI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 23/31页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO PWR 1.8W D 28TQFN |
| 标准包装： | 2,500 |
| 系列： | DirectDrive® |
| 类型： | D 类 |
| 输出类型： | 2-通道（立体声）带立体声耳机 |
| 在某负载时最大输出功率 x 通道数量： | 1.8W x 2 @ 4 欧姆; 45mW x 2 @ 32 欧姆 |
| 电源电压： | 2.5 V ~ 5.5 V |
| 特点： | 消除爆音，差分输入，I²C，静音，短路和热保护，关机 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 28-TQFN-EP（5x5） |
| 封装/外壳： | 28-WFQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
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MAX9702
1.8W, Filterless, Stereo, Class D Audio Power
Amplifier and DirectDrive Stereo Headphone Amplifier
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (VDD = 3.3V) (continued)
(VDD = PVDD = CPVDD = SHDN = 3.3V, GND = PGND = CPGND = 0V, SYNC = VDD (SSM), speaker gain = +12dB, headphone gain
= +1dB. Speaker load RL connected between OUT+ and OUT-, unless otherwise noted, RL =
∞. Headphone load RLH connected
between HPR/HPL to GND. CBIAS = 1F to GND, 1F capacitor between C1P and C1N, CVSS = 1F. TA = TMIN to TMAX, unless oth-
erwise noted. Typical values are at TA = +25°C.) (Notes 1, 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
RL = 8
470
Output Power
POUT
THD+N = 1%, TA = +25°C,
f = 1kHz, VDD = 3.3V
RL = 4
700
mW
RL = 8
(POUT = 400mW), f = 1kHz
0.07
Total Harmonic Distortion Plus
Noise
THD+N
RL = 4
(POUT = 600mW), f = 1kHz
0.13
%
FFM
86.5
BW = 22Hz
to 22kHz
SSM
87.5
FFM
91.5
Signal-to-Noise Ratio
SNR
VOUT =
2VRMS,
RL = 8
A-weighted
SSM
91.5
dB
SYNC = GND
1000
1100
1200
SYNC = float
1250
1340
1450
Oscillator Frequency
fS
SYNC = VDD
1150
±50
kHz
SYNC Frequency Lock Range
fSYNC
1000
2000
kHz
SYNC_OUT Capacitance Drive
CSYNC_OUT
100
pF
Into shutdown
56
Click-and-Pop Level
KCP
Peak voltage, 32
samples/second,
A-weighted (Note 3)
Out of shutdown
48
dB
Efficiency
η
POUT = 2 x 500mW, fIN = 1kHz, RL = 8
,
L = 68H
94
%
B2 = 0
B1 = 0
B0 = 0
0
B2 = 0
B1 = 0
B0 = 1
+3
B2 = 0
B1 = 1
B0 = 0
+6
B2 = 0
B1 = 1
B0 = 1
+9
B2 = 1
B1 = 0
B0 = 0
+12
B2 = 1
B1 = 0
B0 = 1
+15
B2 = 1
B1 = 1
B0 = 0
+18
Gain (see I
2C Section)
AV
B2 = 1
B1 = 1
B0 = 1
+21
dB
Channel-to-Channel Gain
Tracking
±0.2
%
Crosstalk
L to R, R to L, f = 10kHz, RL = 8
,
POUT = 300mW
65
dB
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9702EUI+ | 制造商:Maxim Integrated Products 功能描述:AUD AMP HDPH/SPKR 2CH STEREO 1.8W/0.045W CLS-AB/CLS-D 28TSSO - Rail/Tube |
| MAX9702EUI+T | 制造商:Maxim Integrated Products 功能描述:AUD AMP HDPH/SPKR 2CH STEREO 1.8W/0.045W CLS-AB/CLS-D 28TSSO - Tape and Reel |
| MAX9702EVCMODU | 功能描述:放大器 IC 开发工具 MAX9702/2B Eval Kit RoHS:否 制造商:International Rectifier 产品:Demonstration Boards 类型:Power Amplifiers 工具用于评估:IR4302 工作电源电压:13 V to 23 V |
| MAX9702EVKIT | 功能描述:放大器 IC 开发工具 MAX9702/2B Eval Kit RoHS:否 制造商:International Rectifier 产品:Demonstration Boards 类型:Power Amplifiers 工具用于评估:IR4302 工作电源电压:13 V to 23 V |
| MAX9703DEVBRD | 功能描述:放大器 IC 开发工具 MAX9703 Eval Kit RoHS:否 制造商:International Rectifier 产品:Demonstration Boards 类型:Power Amplifiers 工具用于评估:IR4302 工作电源电压:13 V to 23 V |
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