參數(shù)資料
型號： MAX9750CETI+T
廠商： Maxim Integrated Products
文件頁數(shù)： 12/30頁
文件大?。?/td> 0K
描述： IC AMP AUDIO PWR 2.6W AB 28TQFN
標準包裝： 2,500
系列： DirectDrive®
類型： AB 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(shù)量： 2.2W x 2 @ 3 歐姆; 110mW x 2 @ 16 歐姆
電源電壓： 4.5 V ~ 5.5 V
特點： 消除爆音，短路保護和熱保護，關(guān)機，音量控制
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)
MAX9750/MAX9751/MAX9755
2.6W Stereo Audio Power Amplifiers and
DirectDrive Headphone Amplifiers
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Supply Voltage (VDD, PVDD, HPVDD, CPVDD to GND)..........+6V
GND to PGND.....................................................................±0.3V
CPVSS, C1N, VSS to GND .........................-6.0V to (GND + 0.3V)
HPOUT_ to GND ....................................................................±3V
Any Other Pin .............................................-0.3V to (VDD + 0.3V)
Duration of OUT_ Short Circuit to GND or PVDD........Continuous
Duration of OUT_+ Short Circuit to OUT_- .................Continuous
Duration of HPOUT_ Short Circuit to GND,
VSS or HPVDD.........................................................Continuous
Continuous Current (PVDD, OUT_, PGND) ...........................1.7A
Continuous Current (CPVDD, C1N, C1P, CPVSS, VSS, HPVDD,
HPOUT_) .......................................................................850mA
Continuous Input Current (All Other Pins) ........................±20mA
Continuous Power Dissipation (TA = +70°C, multilayer board)
28-Pin Thin QFN (derate 23.8mW/°C above +70°C) .1900mW
Junction-to-Case Thermal Resistance (
θJC)
28-Pin Thin QFN ...........................................................24°C/W
Junction Temperature ......................................................+150°C
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
ELECTRICAL CHARACTERISTICS
(VDD = PVDD = CPVDD = HPVDD = 5V, VGND = VPGND = VCPGND = 0V, SHDN = VDD, CBIAS = 1F, C1 = C2 = 1F, speaker load
terminated between OUT_+ and OUT_-, headphone load terminated between HPOUT_ and GND, VGAIN1 = VGAIN2 = VVOL = VGAIN = 0V,
TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
GENERAL
Supply Voltage Range
VDD, PVDD
Inferred from PSRR test
4.5
5.5
V
Headphone Supply Voltage
CPVDD,
HPVDD
Inferred from PSRR test
3.0
5.5
V
HPS = GND, speaker mode, RL =
∞
14
29
Quiescent Supply Current
IDD
HPS = VDD, headphone mode, RL =
∞
713
mA
Shutdown Supply Current
ISHDN
SHDN = GND
0.2
5
A
Bias Voltage
VBIAS
1.7
1.8
1.9
V
Switching Time
tSW
Gain or input switching
10
s
MAX9750
10
20
30
Input Resistance
RIN
Amplifier inputs
(Note 2)
MAX9751/MAX9755
4.5
6
8.0
k
Ω
Turn-On Time
tSON
25
ms
SPEAKER AMPLIFIER (HPS = GND)
MAX9750A/MAX9750B/
MAX9751/MAX9755
±1
±15
Output Offset Voltage
VOS
Measured
between OUT_+
and OUT_-,
TA = +25°C
MAX9750C
±0.4
±6
mV
MAX9750A/MAX9750B/
MAX9750C/MAX9751
75
90
PVDD or VDD =
4.5V to 5.5V
(TA = +25°C)
MAX9755
72
90
f = 1kHz, VRIPPLE = 200mVP-P
80
Power-Supply Rejection Ratio
(Note 3)
PSRR
f = 10kHz, VRIPPLE = 200mVP-P
55
dB
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX9750CEUI 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX9751ETI+ 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
MAX9751ETI+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
MAX9751EUI 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX9752AETI+ 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
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