參數(shù)資料
型號: MAX9791BETI+
廠商: Maxim Integrated Products
文件頁數(shù): 29/34頁
文件大?。?/td> 0K
描述: IC AMP AUDIO 2.2W STER D 28TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 75
系列: DirectDrive®
類型: D 類
輸出類型: 2-通道(立體聲)帶立體聲耳機和超低音器
在某負(fù)載時最大輸出功率 x 通道數(shù)量: 2.2W x 2 @ 4 歐姆; 180mW x 2 @ 32 歐姆
電源電壓: 4.5 V ~ 5.5 V
特點: 消除爆音,LDO,短路保護和熱保護,關(guān)機
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 28-TQFN-EP(4x4)
封裝/外殼: 28-WFQFN 裸露焊盤
包裝: 管件
MAX9791/MAX9792
Windows Vista-Compliant Class D Speaker
Amplifiers with DirectDrive Headphone Amplifiers
4
_______________________________________________________________________________________
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Class D Switching Frequency
fSPK
948
1158
kHz
Spread-Spectrum Bandwidth
±15
kHz
Efficiency
POUT = 1.5W, fIN = 1kHz, RL = 8
(Note 5)
83
%
HEADPHONE AMPLIFIER
RL = 16
100
Output Power
POUT
THD+N = 1%,
f = 1kHz,
TA = +25°C
RL = 32
180
mW
RL = 32 , fIN = 6kHz, 20kHz AES17,
VIN = -3dBFS = 212mVRMS
-78
RL = 10k , fIN = 6kHz, 20kHz AES17,
VIN = -3dBFS = 500mVRMS
-87
dBFS
RL = 32 , POUT = 100mW, f = 1kHz
0.006
Total Harmonic Distortion Plus
Noise
THD+N
RL = 16 , POUT = 75mW, f = 1kHz
0.014
%
VHPVDD = 2.7V to 5.5V, TA = +25°C
70
107
f = 1kHz, VRIPPLE = 200mVP-P
91
Power-Supply Rejection Ratio
PSRR
f = 10kHz, VRIPPLE = 200mVP-P
80
dB
Feedback Impedance
RFHP
38.2
40.2
42.2
k
Gain
AV
RIN2 = 40.2k
0
dB
Output Offset Voltage
VOS
TA = +25°C
±0.3
±3
mV
Into shutdown
-81
Click-and-Pop Level
KCP
RL = 32 ,
peak voltage,
A-weighted, 32 samples
per second (Notes 6, 7)
Out of
shutdown
-72.5
dBV
A-weighted
102
Signal-to-Noise Ratio
SNR
RL = 32 , POUT = 40mW,
fIN = 1kHz
20Hz to 20kHz
94
dB
Noise
VN
A-weighted
8
VRMS
Maximum Capacitive Load
CL
No sustained oscillations
100
pF
RL = 32 , VIN =
-20dBFS = 30mVRMS
82
L to R, R to L, fIN
= 1kHz, COM
and SENSE
connected
RL = 10k , VIN =
-20dBFS = 0.7mVRMS
89
RL = 32 , VIN =
-20dBFS = 30mVRMS
64
L to R, R to L, fIN
= 15kHz, COM
and SENSE
connected
RL = 10k , VIN =
-20dBFS = 70.7mVRMS
70
Crosstalk
SPKR to HP, RLSPKR = 8 , PSPKR = 1W,
RLHP = 32 , fIN = 1Hz
80
dB
ELECTRICAL CHARACTERISTICS (continued)
(VAVDD = VPVDD = VHPVDD = 5V, VGND = VPGND = VCPGND = 0, ILDO_OUT = 0, CLDO = 2F (CLDO = 4F for 1.8V LDO option),
C1 = C2 = 1F. RL = ∞, unless otherwise specified. RIN1 = 20k (AVSPKR = 12dB), RIN2 = 40.2k (AVHP = 0dB), CIN1 = 470nF,
CIN2 =CCOM = 1F, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 3)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX9791BETI+ 功能描述:音頻放大器 Windows Vista Class D Speaker Amp 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
MAX9791BETI+T 功能描述:音頻放大器 Windows Vista Class D Speaker Amp 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
MAX9791CETI+ 功能描述:音頻放大器 Windows Vista Class D Speaker Amp 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
MAX9791CETI+T 功能描述:音頻放大器 Windows Vista Class D Speaker Amp 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
MAX9792AETI+ 功能描述:音頻放大器 Windows Vista Class D Speaker Amp 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