參數(shù)資料
型號: MAX9702ETI+
廠商: Maxim Integrated Products
文件頁數(shù): 31/31頁
文件大小: 0K
描述: IC AMP AUDIO PWR 1.8W D 28TQFN
標(biāo)準(zhǔn)包裝: 60
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)載時最大輸出功率 x 通道數(shù)量: 1.8W x 2 @ 4 歐姆; 45mW x 2 @ 32 歐姆
電源電壓: 2.5 V ~ 5.5 V
特點(diǎn): 消除爆音,差分輸入,I²C,靜音,短路和熱保護(hù),關(guān)機(jī)
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: 管件
MAX9702
1.8W, Filterless, Stereo, Class D Audio Power
Amplifier and DirectDrive Stereo Headphone Amplifier
_______________________________________________________________________________________
9
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER (SPEAKER MODE)
MAX9702
toc10
OUTPUT POWER (mW)
THD+N
(%)
1200
900
600
300
01500
VDD = 5V
RL = 8
fIN = 1kHz
SSM
0.01
0.1
1
10
100
0.001
FFM
EFFICIENCY vs. OUTPUT POWER
(SPEAKER MODE)
MAX9702
toc11
OUTPUT POWER (W)
EFFICIENCY
(%)
2.5
2.0
1.5
1.0
0.5
10
20
30
40
50
60
70
80
90
100
0
03.0
VDD = 5V
fIN = 1kHz
POUT = POUTL + POUTR
RL = 8
RL = 4
EFFICIENCY vs. OUTPUT POWER
(SPEAKER MODE)
MAX9702
toc12
OUTPUT POWER (W)
EFFICIENCY
(%)
0.8
0.6
0.4
0.2
10
20
30
40
50
60
70
80
90
100
0
01.0
VDD = 3.3V
fIN = 1kHz
POUT = POUTL + POUTR
RL = 8
RL = 4
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX9702
toc13
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
5.0
4.5
4.0
3.5
3.0
500
1000
1500
2000
2500
3000
0
2.5
5.5
THD+N = 1%
RL = 4
fIN = 1kHz
THD+N = 10%
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX9702
toc14
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
5.0
4.5
4.0
3.5
3.0
500
1000
1500
2000
0
2.5
5.5
THD+N = 1%
RL = 8
fIN = 1kHz
THD+N = 10%
OUTPUT POWER
vs. LOAD RESISTANCE
MAX9702
toc15
LOAD RESISTANCE (
)
OUTPUT
POWER
(W)
10
0.5
1.0
1.5
2.0
2.5
0
1100
THD+N = 10%
VDD = 5V
f = 1kHz
THD+N = 1%
OUTPUT POWER
vs. LOAD RESISTANCE
MAX9702
toc16
LOAD RESISTANCE (
)
OUTPUT
POWER
(mW)
10
200
400
600
800
1000
0
1100
THD+N = 1%
THD+N = 10%
VDD = 3.3V
f = 1kHz
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (SPEAKER MODE)
MAX9702
toc17
FREQUENCY (Hz)
PSRR
(dB)
10k
1k
100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
10
100k
VRIPPLE = 100mVP-P
RL = 8
VDD = 3.3V
VDD = 5V
CROSSTALK vs. FREQUENCY
(SPEAKER MODE)
MAX9702
toc18
FREQUENCY (Hz)
CROSSTALK
(dB)
10k
1k
100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
10
100k
VOUT = -30dBV
VDD = 3.3V, 5V
RL = 8
LEFT TO RIGHT
RIGHT TO LEFT
Typical Operating Characteristics (continued)
(VDD = PVDD = SHDN = 3.3V, GND = PGND = 0V, SYNC = VDD (SSM), speaker gain = 12dB.)
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參數(shù)描述
MAX9702ETI+ 功能描述:音頻放大器 1.8W Filterless Class D Audio 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
MAX9702ETI+T 功能描述:音頻放大器 1.8W Filterless Class D Audio 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
MAX9702EUI+ 制造商:Maxim Integrated Products 功能描述:AUD AMP HDPH/SPKR 2CH STEREO 1.8W/0.045W CLS-AB/CLS-D 28TSSO - Rail/Tube
MAX9702EUI+T 制造商:Maxim Integrated Products 功能描述:AUD AMP HDPH/SPKR 2CH STEREO 1.8W/0.045W CLS-AB/CLS-D 28TSSO - Tape and Reel
MAX9702EVCMODU 功能描述:放大器 IC 開發(fā)工具 MAX9702/2B 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