參數(shù)資料
型號: MAX9702ETI+
廠商: Maxim Integrated Products
文件頁數(shù): 4/31頁
文件大?。?/td> 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
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: 消除爆音,差分輸入,I²C,靜音,短路和熱保護,關(guān)機
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 28-TQFN-EP(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
12
______________________________________________________________________________________
OUTPUT POWER vs. SUPPLY VOLTAGE
(HEADPHONE MODE)
MAX9702
toc37
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
5.0
4.5
3.0
3.5
4.0
10
20
30
40
50
60
70
80
0
2.5
5.5
RL = 32
THD+N = 10%
THD+N = 1%
OUTPUT POWER vs. LOAD RESISTANCE
(HEADPHONE MODE)
MAX9702
toc38
LOAD RESISTANCE (
)
OUTPUT
POWER
(mW)
100
10
20
30
40
50
60
70
0
10
1000
THD+N = 10%
VDD = 5V
f = 1kHz
THD+N = 1%
OUTPUT POWER vs. LOAD RESISTANCE
(HEADPHONE MODE)
MAX9702
toc39
LOAD RESISTANCE (
)
OUTPUT
POWER
(mW)
100
10
20
30
40
50
60
70
0
10
1000
THD+N = 10%
THD+N = 1%
VDD = 3.3V
f = 1kHz
OUTPUT POWER vs. CHARGE-PUMP
CAPACITANCE (HEADPHONE MODE)
MAX9702
toc40
LOAD (
)
OUTPUT
POWER
(mW)
45
40
20
25
30
35
25
30
35
40
45
50
55
60
20
15
50
f = 1kHz
THD+N = 1%
C1 = C2 = 1
F
C1 = C2 = 0.47
F
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (HEADPHONE MODE)
MAX9702
toc41
FREQUENCY (Hz)
PSRR
(dB)
10k
1k
100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
10
100k
VRIPPLE = 100mVP-P
INPUTS AC GROUNDED
VDD = 3.3V
VDD = 5V
OUTPUT FREQUENCY SPECTRUM
(HEADPHONE MODE)
MAX9702
toc42
FREQUENCY (kHz)
OUTPUT
MAGNITUDE
(dBV)
15
10
5
-120
-100
-80
-60
-40
-20
0
-140
020
VOUT = -60dBV
f = 1kHz
RL = 32
CROSSTALK vs. FREQUENCY
(HEADPHONE MODE)
MAX9702
toc43
FREQUENCY (Hz)
CROSSTALK
(dB)
10k
1k
100
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-110
10
100k
RL = 32
f = 1kHz
VIN = 100mVP-P
RIGHT TO LEFT
LEFT TO RIGHT
CROSSTALK vs. AMPLITUDE
(HEADPHONE MODE)
MAX9702
toc44
AMPLITUDE (dBV)
CROSSTALK
(dBV)
0
-10
-30
-20
-40
-50
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-110
-60
10
RL = 32
f = 1kHz
LEFT TO RIGHT
RIGHT TO LEFT
TURN-ON/TURN-OFF RESPONSE
(HEADPHONE MODE)
MAX9702 toc45
100ms/div
SHDN
MAX9702
OUTPUT
f = 1kHz
RL = 32
Typical Operating Characteristics (continued)
(VDD = PVDD = SHDN = 3.3V, GND = PGND = 0V, SYNC = VDD (SSM), speaker gain = 12dB.)
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相關(guān)代理商/技術(shù)參數(shù)
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