參數(shù)資料
型號(hào)： MAX9789AEVKIT+
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 12/28頁(yè)
文件大小： 0K
描述： EVALUATION KIT FOR MAX9789A
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 1
系列： DirectDrive®
放大器類(lèi)型： AB 類(lèi)
輸出類(lèi)型： 2-通道（立體聲）帶立體聲耳機(jī)和超低音器
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： 2W x 2 @ 4 歐姆; 100mW x 2 @ 16 歐姆
電源電壓： 4.5 V ~ 5.5 V
工作溫度： -40°C ~ 85°C
板類(lèi)型： 完全填充
已用 IC / 零件： MAX9789A，MAX9790A
已供物品： 板
相關(guān)產(chǎn)品： MAX9789AETJ+T-ND - IC AMP AUDIO 2W STER AB 32TQFN
MAX9790AETJ+T-ND - IC AMP AUDIO 2W STER AB 32TQFN
MAX9790AETJ+-ND - IC AMP AUDIO 2W STER AB 32TQFN
MAX9789AETJ+-ND - IC AMP AUDIO 2W STER AB 32TQFN
MAX9789/MAX9790
Windows Vista-Compliant, Stereo Class AB Speaker
Amplifiers and DirectDrive Headphone Amplifiers
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VDD = PVDD = CPVDD = HPVDD = HP_EN = VLDO_EN (MAX9789 only) = +5V, VGND = VPGND = VCPGND = SPKR_EN = VLDO_SET
(MAX9789 only) = 0V, ILDO_OUT (MAX9789 only) = 0, C1 = C2 = CBIAS = 1F. RL = ∞, unless otherwise specified, VGAIN1 = 0,
VGAIN2 = 5V (AVSP = 10dB, AVHP = 3.5dB), TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)
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) ..................................................-0.3V to +6.0V
GND to PGND, CPGND ......................................................±0.3V
CPVSS, C1N, VSS to GND......................................-6.0V to +0.3V
HPR, HPL to GND ...............................................................±3.0V
Any Other Pin .............................................-0.3V to (VDD + 0.3V)
Duration of OUT_+, OUT_- Short Circuit
to GND or PVDD ......................................................Continuous
Duration of Short Circuit between OUT_+, OUT_-
and LDO_OUT.........................................................Continuous
Duration of Short Circuit between HPR, HPL and GND,
VSS or HPVDD..........................................................Continuous
Continuous Current (PVDD, OUT_+, OUT_-, PGND).............1.7A
Continuous Current (CPVDD, C1N, C1P, CPVSS, PVSS,
VDD, HPVDD, LDO_OUT, HPR, HPL) .............................850mA
Continuous Input Current (all other pins) .........................±20mA
Continuous Power Dissipation (TA = +70°C)
32-Pin Thin QFN Single-Layer Board
(derate 18.6mW/°C above +70°C) ..............................1489mW
θJA...........................................................................53.7°C/W
θJC...........................................................................19.9°C/W
32-Pin Thin QFN Multilayer Board
(derate 24.9 mW/°C above +70°C) .............................1990mW
θJA...........................................................................40.2°C/W
θJC...........................................................................19.9°C/W
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
GENERAL
Supply Voltage
VDD, PVDD
Guaranteed by PSRR and LDO Line
Regulation Tests
4.5
5.5
V
Headphone Supply Voltage
CPVDD,
HPVDD
Guaranteed by PSRR Test
3.0
5.5
V
SPKR_EN
HP_EN
1 (MAX9789)
0 (MAX9789)
0.1
0.4
mA
1 (MAX9790)
0 (MAX9790)
0.3
6
A
11
7
13
0
14
29
Quiescent Current
IDD
0
1
18
40
mA
Shutdown Current
ISHDN
SPKR_EN = VDD, HP_EN = LDO_EN = GND
0.3
6
A
Bias Voltage
VBIAS
1.7
1.8
1.9
V
MAX9789A/MAX9789C/MAX9790A
100
Shutdown to Full Operation
tSON
MAX9789B/MAX9790B
25
ms
Gain Switching Time
tSW
10
s
Channel-to-Channel Gain
Tracking
±0.1
dB
SPEAKER AMPLIFIER
RL = 4
Ω
2
Output Power
POUT
THD+N = 1%, f = 1kHz,
TA = +25°C
RL = 8
Ω
1
W
RL = 8
Ω, POUT = 1W, f = 1kHz
0.002
Total Harmonic Distortion Plus
Noise
THD+N
RL = 4
Ω, POUT = 1W, f = 1kHz
0.004
%
Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7 using a four-
layer board. For detailed information on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial.
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參數(shù)描述
MAX9789AEVKIT+ 功能描述:放大器 IC 開(kāi)發(fā)工具 MAX9789A/90A 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
MAX9789BETJ+ 功能描述:音頻放大器 Windows Vista Class AB Speaker 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
MAX9789BETJ+T 功能描述:音頻放大器 Windows Vista Class AB Speaker 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
MAX9789CETJ+ 功能描述:音頻放大器 Windows Vista Class AB Speaker 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
MAX9789CETJ+T 功能描述:音頻放大器 Windows Vista Class AB Speaker 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
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