参数资料
型号: MAX9702ETI+T
厂商: Maxim Integrated Products
文件页数: 3/31页
文件大小: 0K
描述: IC AMP AUDIO PWR 1.8W D 28TQFN
标准包装: 2,500
系列: DirectDrive®
类型: D 类
输出类型: 2-通道(立体声)带立体声耳机
在某负载时最大输出功率 x 通道数量: 1.8W x 2 @ 4 欧姆; 45mW x 2 @ 32 欧姆
电源电压: 2.5 V ~ 5.5 V
特点: 消除爆音,差分输入,I²C,静音,短路和热保护,关机
安装类型: 表面贴装
供应商设备封装: 28-TQFN-EP(5x5)
封装/外壳: 28-WFQFN 裸露焊盘
包装: 带卷 (TR)
MAX9702
1.8W, Filterless, Stereo, Class D Audio Power
Amplifier and DirectDrive Stereo Headphone Amplifier
______________________________________________________________________________________
11
SHUTDOWN CURRENT vs. SUPPLY VOLTAGE
(SPEAKER MODE)
MAX9702
toc28
SUPPLY VOLTAGE (V)
SHUTDOWN
CURRENT
(
A)
5.0
4.5
4.0
3.5
3.0
0.05
0.10
0.15
0.20
0
2.5
5.5
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY (HEADPHONE MODE)
MAX9702
toc29
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
10
0.001
10
100k
OUTPUT POWER = 10mW
VDD = 5V
RL = 32
OUTPUT POWER = 30mW
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY (HEADPHONE MODE)
MAX9702
toc30
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
10
0.001
10
100k
OUTPUT POWER = 15mW
OUTPUT POWER = 40mW
VDD = 3.3V
RL = 16
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY (HEADPHONE MODE)
MAX9702
toc31
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
10
0.001
10
100k
OUTPUT POWER = 10mW
OUTPUT POWER = 30mW
VDD = 3.3V
RL = 32
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9702
toc32
OUTPUT POWER (mW)
THD+N
(%)
50
40
30
20
10
0.01
0.1
1
10
100
0.001
060
VDD = 5V
RL = 32
fIN = 1kHz
fIN = 10kHz
fIN = 20Hz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9702
toc33
OUTPUT POWER (mW)
THD+N
(%)
50
40
30
20
10
0.01
0.1
1
10
100
0.001
060
VDD = 3.3V
RL = 16
fIN = 1kHz
fIN = 10kHz
fIN = 20Hz
Typical Operating Characteristics (continued)
(VDD = PVDD = SHDN = 3.3V, GND = PGND = 0V, SYNC = VDD (SSM), speaker gain = 12dB.)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9702
toc34
OUTPUT POWER (mW)
THD+N
(%)
50
40
30
20
10
0.01
0.1
1
10
100
0.001
060
VDD = 3.3V
RL = 32
fIN = 1kHz
fIN = 20Hz
fIN = 10kHz
POWER DISSIPATION vs. OUTPUT POWER
(HEADPHONE MODE)
MAX9702
toc35
OUTPUT POWER (mW)
POWER
DISSIPATION
(mW)
120
90
60
30
50
100
150
200
250
300
350
0
0150
VDD = 5V
RL = 32
POUT = POUTR + POUTL
POWER DISSIPATION vs. OUTPUT POWER
(HEADPHONE MODE)
MAX9702
toc36
OUTPUT POWER (mW)
POWER
DISSIPATION
(mW)
120
90
60
30
50
75
100
125
150
175
200
0
0150
VDD = 3.3V
POUT = POUTR + POUTL
25
RL = 16
RL = 32
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MAX9702EVKIT 功能描述:放大器 IC 开发工具 MAX9702/2B Eval Kit RoHS:否 制造商:International Rectifier 产品:Demonstration Boards 类型:Power Amplifiers 工具用于评估:IR4302 工作电源电压:13 V to 23 V
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