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參數(shù)資料
| 型號： | MAX9728AETC+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 12/19頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP AUDIO .06W STER AB 12TQFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 系列： | DirectDrive® |
| 類型： | AB 類 |
| 輸出類型： | 耳機(jī)，2-通道（立體聲） |
| 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： | 60mW x 2 @ 32 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： | 12-TQFN EP（3x3） |
| 封裝/外殼： | 12-TQFN 裸露焊盤 |
| 包裝： | 帶卷 (TR) |
MAX9728A/MAX9728B
60mW, DirectDrive, Stereo Headphone
Amplifiers with Shutdown
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.
VDD to PGND............................................................-0.3V to +6V
PVSS to SVSS .........................................................-0.3V to +0.3V
PGND to SGND .....................................................-0.3V to +0.3V
C1P to PGND..............................................-0.3V to (VDD + 0.3V)
C1N to PGND............................................(PVSS - 0.3V) to +0.3V
PVSS and SVSS to PGND..........................................-6V to +0.3V
IN_ to SGND (MAX9728A)..........................-0.3V to (VDD + 0.3V)
IN_ to SGND (MAX9728B) .............(SVSS - 0.3V) to (VDD + 0.3V)
OUT_ to SVSS (Note 1) ....-0.3V to Min (VDD - SVSS + 0.3V, +9V)
OUT_ to VDD (Note 2) ......+0.3V to Max (SVSS - VDD - 0.3V, -9V)
SHDN to _GND.........................................................-0.3V to +6V
OUT_ Short Circuit to SGND ......................................Continuous
Short Circuit between OUTL and OUTR ....................Continuous
Continuous Input Current into PVSS..................................260mA
Continuous Input Current (any other pin) .........................±20mA
Continuous Power Dissipation (TA = +70°C)
12-Pin TQFN (derate 14.7mW/°C above +70°C) .........1177mW
14-Pin TSSOP (derate 9.1mW/°C above +70°C) ...........727mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Junction Temperature ......................................................+150°C
Lead Temperature (soldering, 10s) .................................+300°C
ELECTRICAL CHARACTERISTICS
(VDD = 5V, PGND = SGND, SHDN = 5V, C1 = C2 = 1F, RL =
∞, resistive load reference to ground; for MAX9728A gain = -1.5V/V
(RIN = 20k
Ω, RF = 30kΩ); for MAX9728B gain = -1.5V/V (internally set), TA = -40°C to +85°C, unless otherwise noted. Typical values
are at TA = +25°C, unless otherwise noted.) (Note 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
GENERAL
Supply Voltage Range
VDD
4.5
5.5
V
Quiescent Current
ICC
3.5
5.5
mA
Shutdown Current
ISHDN
SHDN = SGND = PGND
< 0.1
1
A
Shutdown to Full Operation
tSON
180
s
Input Impedance
RIN
MAX9728B, measured at IN_
15
19
25
k
Ω
Output Offset Voltage
VOS
±1.5
±10
mV
VDD = 4.5V to 5.5V
86
f = 1kHz, 100mVP-P
80
Power-Supply Rejection Ratio
PSRR
f = 20kHz, 100mVP-P
65
dB
RL = 32
Ω, THD+N = 1%
30
63
Output Power
POUT
RL = 16
Ω, THD+N = 1%
42
mW
Voltage Gain
AV
MAX9728B (Note 4)
-1.52
-1.5
-1.48
V/V
Channel-to-Channel Gain
Tracking
MAX9728B
±0.15
%
RL = 1k
Ω, VOUT = 2VRMS, fIN = 1kHz
0.003
RL = 32
Ω, POUT = 50mW, fIN = 1kHz
0.02
Total Harmonic Distortion Plus
Noise
THD+N
RL = 16
Ω, POUT = 35mW, fIN = 1kHz
0.04
%
Note 1: OUTR and OUTL should be limited to no more than 9V above SVSS, or above VDD + 0.3V, whichever limits first.
Note 2: OUTR and OUTL should be limited to no more than 9V below VDD, or below SVSS - 0.3V, whichever limits first.
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| MAX9728AEUD+ | 功能描述:音頻放大器 60mW DirectDrive Headphone Amplifier 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 |
| MAX9728AEUD+T | 功能描述:音頻放大器 60mW DirectDrive Headphone Amplifier 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 |
| MAX9728AEVKIT | 功能描述:放大器 IC 開發(fā)工具 MAX9728A/B Eval Kit 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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| MAX9728BETC+T | 功能描述:音頻放大器 60mW DirectDrive Headphone Amplifier 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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