參數(shù)資料
型號： MAX9754ETI+T
廠商： Maxim Integrated Products
文件頁數(shù)： 23/29頁
文件大?。?/td> 0K
描述： IC AMP AUDIO PWR 2.2W D 28TQFN
標(biāo)準(zhǔn)包裝： 2,500
系列： DirectDrive®
類型： D 類
輸出類型： 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： 2.2W x 2 @ 4 歐姆; 62mW x 2 @ 16 歐姆
電源電壓： 4.5 V ~ 5.5 V
特點(diǎn)： 消除爆音，短路保護(hù)和熱保護(hù)，關(guān)閉
安裝類型： 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
包裝： 帶卷 (TR)
MAX9752/MAX9753/MAX9754
2.2W, Low-EMI, Stereo, Class D Power Amplifiers
with DirectDrive Headphone Amplifiers
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VDD = PVDD = HPVDD = CPVDD = +5.0V, GND = PGND = HPGND = 0V, VSHDN = VDD, CPVSS = VSS, CBIAS = 1F,
CCPVSS = 1F, C1 = 1F, speaker impedance = 8
Ω connected between OUT_+ and OUT_-, headphone load is terminated to GND;
MAX9752: GAIN1 = GAIN2 = 0, VVOL = 0V; MAX9753: GAIN = 0, VA/B = 0V; MAX9754: GAIN = 0; TA = TMIN to TMAX, unless otherwise
noted. Typical values are at TA = +25°C.) (Notes 1, 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
GAIN2 = 0, GAIN1 = 0
9.0
GAIN2 = 0, GAIN1 = 1
10.5
GAIN2 = 1, GAIN1 = 0
12.0
MAX9752A
GAIN2 = 1, GAIN1 = 1
13.5
GAIN2 = 0, GAIN1 = 0
15.0
GAIN2 = 0, GAIN1 = 1
16.5
GAIN2 = 1, GAIN1 = 0
18.0
MAX9752B
GAIN2 = 1, GAIN1 = 1
19.5
GAIN2 = 0, GAIN1 = 0
6.0
GAIN2 = 0, GAIN1 = 1
7.5
GAIN2 = 1, GAIN1 = 0
9.0
MAX9752C
GAIN2 = 1, GAIN1 = 1
10.5
GAIN = 1
9.0
Speaker Amplifier Gain (Note 4)
AV_SP
MAX9753/MAX9754
GAIN = 0
10.5
dB
MAX9752A,
MAX9752B, MAX9753,
MAX9754
1.3
f = 1kHz, THD+N
= 1%, TA = +25°C,
RL = 8
Ω
MAX9752C
0.8
MAX9752A,
MAX9752B, MAX9753,
MAX9754
2.2
Output Power
POUT_SP
f = 1kHz, THD+N
= 1%, TA = +25°C,
RL = 4
Ω
MAX9752C
1.7
W
RL = 8
Ω
0.023
Total Harmonic Distortion Plus
Noise
THD+N
f = 1kHz, POUT = 1W
RL = 4
Ω
0.03
%
Unweighted
90
Signal-to-Noise Ratio
SNR
POUT = 1W, f = 1kHz,
BW = 22Hz to 22kHz
A-weighted
91
dB
Into shutdown
-47
Click-and-Pop Level (Note 5)
KCP
Out of shutdown
-34
dBV
Capacitive-Load Drive
CL_MAX
Differential
200
pF
Switching Frequency
fSW
1000
1200
1400
kHz
Crosstalk
Channel to channel, f = 10kHz, POUT = 1W
70
dB
Off-Isolation
MAX9753, unselected input to any active
input, f = 10kHz
70
dB
Efficiency
η
RL = 8
Ω, POUT = 1W, f = 1kHz
85
%
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX9755ETI+ 功能描述:音頻放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX9755ETI+T 功能描述:音頻放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX9756ETX+ 功能描述:音頻放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX9756ETX+T 功能描述:音頻放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX9756EVKIT 功能描述:放大器 IC 開發(fā)工具 Programmers, Development Systems RoHS:否 制造商:International Rectifier 產(chǎn)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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