參數(shù)資料
型號(hào): MAX9702ETI+
廠(chǎng)商: Maxim Integrated Products
文件頁(yè)數(shù): 28/31頁(yè)
文件大小: 0K
描述: IC AMP AUDIO PWR 1.8W D 28TQFN
標(biāo)準(zhǔn)包裝: 60
系列: DirectDrive®
類(lèi)型: D 類(lèi)
輸出類(lèi)型: 2-通道(立體聲)帶立體聲耳機(jī)
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量: 1.8W x 2 @ 4 歐姆; 45mW x 2 @ 32 歐姆
電源電壓: 2.5 V ~ 5.5 V
特點(diǎn): 消除爆音,差分輸入,I²C,靜音,短路和熱保護(hù),關(guān)機(jī)
安裝類(lèi)型: 表面貼裝
供應(yīng)商設(shè)備封裝: 28-TQFN-EP(5x5)
封裝/外殼: 28-WFQFN 裸露焊盤(pán)
包裝: 管件
MAX9702
1.8W, Filterless, Stereo, Class D Audio Power
Amplifier and DirectDrive Stereo Headphone Amplifier
6
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (VDD = 5V) (continued)
(VDD = PVDD = CPVDD = SHDN = 5V, 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 = +25oC.) (Notes 1, 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
RL = 8
(POUT = 900mW), f = 1kHz
0.08
Total Harmonic Distortion Plus
Noise
THD+N
RL = 4
(POUT = 1500mW), f = 1kHz
0.18
%
FFM
88
BW = 22Hz
to 22kHz
SSM
87
FFM
91
Signal-to-Noise Ratio
SNR
VOUT = 2VRMS,
RL = 8
A-weighted
SSM
89
dB
Into shutdown
61.5
Click-and-Pop Level
KCP
Peak voltage, 32
samples/second,
A-weighted (Note 4)
Out of shutdown
44
dB
Efficiency
η
POUT = 1W, fIN = 1kHz, RL = 8
, L = 68H
95
%
Channel-to-Channel Gain
Tracking
±0.2
%
Crosstalk
L to R, R to L, f = 10kHz, RL = 8
,
POUT = 300mW
65
dB
HEADPHONE AMPLIFIERS (HPS = VDD)
fRIPPLE = 217Hz
78
Power-Supply Rejection Ratio
(Note 4)
PSRR
100mVP-P ripple,
VIN = 0V, TA = +25°C
fRIPPLE = 20kHz
53
dB
Output Power
POUT
THD+N = 1%, TA = +25°C,
RL = 32
45
mW
Total Harmonic Distortion Plus
Noise
THD+N
RL = 32
(POUT = 32mW, f = 1kHz)
0.03
%
BW = 22Hz to 22kHz
94.7
Signal-to-Noise Ratio
SNR
VOUT = 1VRMS,
RL = 32
A-weighted
97.4
dB
Into shutdown
67
Click-and-Pop Level
KCP
Peak voltage, 32
samples/second,
A-weighted
(Notes 3, 4)
Out of shutdown
83
dB
Channel-to-Channel Gain
Tracking
±0.2
%
Crosstalk
L to R, R to L, f = 10kHz, RL = 32
,
POUT = 10mW
70
dB
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MAX9702ETI+ 功能描述:音頻放大器 1.8W Filterless Class D Audio Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX9702ETI+T 功能描述:音頻放大器 1.8W Filterless Class D Audio Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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 開(kāi)發(fā)工具 MAX9702/2B Eval Kit RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類(lèi)型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓:13 V to 23 V