参数资料
型号: MAX9702ETI+T
厂商: Maxim Integrated Products
文件页数: 30/31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
8
_______________________________________________________________________________________
Typical Operating Characteristics
(VDD = PVDD = SHDN = 3.3V, GND = PGND = 0V, SYNC = VDD (SSM), speaker gain = 12dB.)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY (SPEAKER MODE)
MAX9702
toc01
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.1
1
10
0.01
10
100k
OUTPUT POWER = 1.6W
VDD = 5V
RL = 4
OUTPUT POWER = 200mW
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY (SPEAKER MODE)
MAX9702
toc02
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.1
1
10
0.01
10
100k
OUTPUT POWER = 800mW
VDD = 5V
RL = 8
OUTPUT POWER = 200mW
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY (SPEAKER MODE)
MAX9702
toc03
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.1
1
10
0.01
10
100k
OUTPUT POWER = 400mW
VCC = 3.3V
RL = 4
OUTPUT POWER = 100mW
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY (SPEAKER MODE)
MAX9702
toc04
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.1
1
10
0.01
10
100k
OUTPUT POWER = 400mW
VCC = 3.3V
RL = 8
OUTPUT POWER = 100mW
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY (SPEAKER MODE)
MAX9702
toc05
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.1
1
10
0.01
10
100k
FFM
SSM
VDD = 5V
RL = 8
POUT = 800mW
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER (SPEAKER MODE)
MAX9702
toc06
OUTPUT POWER (W)
THD+N
(%)
2.0
1.5
1.0
0.5
0.1
1
10
100
0.01
0
2.5
VDD = 5V
RL = 4
fIN = 20Hz
fIN = 1kHz
fIN = 10kHz
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER (SPEAKER MODE)
MAX9702
toc07
OUTPUT POWER (mW)
THD+N
(%)
1200
900
600
300
0.1
1
10
100
0.01
0
1500
VDD = 5V
RL = 8
fIN = 20Hz
fIN = 1kHz
fIN = 10kHz
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER (SPEAKER MODE)
MAX9702
toc08
OUTPUT POWER (mW)
THD+N
(%)
800
600
400
200
0.1
1
10
100
0.01
0
1000
VDD = 3.3V
RL = 4
fIN = 1kHz
fIN = 20Hz
fIN = 10kHz
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER (SPEAKER MODE)
MAX9702
toc09
OUTPUT POWER (mW)
THD+N
(%)
0.1
1
10
100
0.01
600
500
400
300
200
100
0
700
VDD = 3.3V
RL = 8
fIN = 10kHz
fIN = 20Hz
fIN = 1kHz
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