參數資料
型號： MAX9702ETI+
廠商： Maxim Integrated Products
文件頁數： 26/31頁
文件大?。?/td> 0K
描述： IC AMP AUDIO PWR 1.8W D 28TQFN
標準包裝： 60
系列： DirectDrive®
類型： D 類
輸出類型： 2-通道（立體聲）帶立體聲耳機
在某負載時最大輸出功率 x 通道數量： 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： 消除爆音，差分輸入，I²C，靜音，短路和熱保護，關機
安裝類型： 表面貼裝
供應商設備封裝： 28-TQFN-EP（5x5）
封裝/外殼： 28-WFQFN 裸露焊盤
包裝： 管件
MAX9702
1.8W, Filterless, Stereo, Class D Audio Power
Amplifier and DirectDrive Stereo Headphone Amplifier
4
_______________________________________________________________________________________
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
HEADPHONE AMPLIFIERS (HPS = VDD)
TA = +25°C
±1.8
±6
Output Offset Voltage
VOS
TMIN to TMAX
±8
mV
VDD = 2.5V to 5.5V
66
75
fRIPPLE = 217Hz
73
Power-Supply Rejection Ratio
(Note 4)
PSRR
100mVP-P ripple,
VIN = 0V, TA = +25°C
fRIPPLE = 20kHz
53
dB
RL = 32
48
Output Power
POUT
THD+N = 1%, VDD =
3.3V, TA = +25°C
RL = 16
47
mW
RL = 16
(POUT = 40mW, f = 1kHz)
0.03
Total Harmonic Distortion Plus
Noise
THD+N
RL = 32
(POUT = 32mW, f = 1kHz)
0.015
%
BW = 22Hz to 22kHz
95.5
Signal-to-Noise Ratio
SNR
VOUT = 1VRMS,
RL = 32
A-weighted
97.9
dB
Charge-Pump Frequency
fCP
fOSC/2
kHz
Into shutdown
65
Click-and-Pop Level
KCP
Peak voltage, 32
samples/second,
A-weighted (Note 3)
Out of shutdown
85
dB
Slew Rate
SR
±1V output step
0.3
V/s
B4 = 0
B3 = 0
-2
B4 = 0
B3 = 1
+1
B4 = 1
B3 = 0
+4
Gain (see I
2C Section)
AV
B4 = 1
B3 = 1
+7
dB
Channel-to-Channel Gain
Tracking
±0.2
%
Capacitance Drive
CL
No sustained oscillations
300
pF
Crosstalk
L to R, R to L, f = 10kHz, RL = 16
,
POUT = 10mW
70
dB
HP_ Resistance to GND
In speaker mode
1
k
DIGITAL INPUTS (
SHDN, SYNC, SDA, SCL, HPS)
Input Voltage High,
SHDN,
SYNC, HPS
VINH
2V
Input Voltage High, SCL
VINH
0.7 x
VDD
V
Input Voltage Low,
SHDN, SYNC,
HPS
VINL
0.8
V
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相關代理商/技術參數
參數描述
MAX9702ETI+ 功能描述:音頻放大器 1.8W Filterless Class D Audio Amp RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型: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 產品:General Purpose Audio Amplifiers 輸出類型: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 開發(fā)工具 MAX9702/2B Eval Kit RoHS:否 制造商:International Rectifier 產品:Demonstration Boards 類型:Power Amplifiers 工具用于評估:IR4302 工作電源電壓:13 V to 23 V
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