参数资料
型号: MAX9755ETI+T
厂商: Maxim Integrated Products
文件页数: 27/30页
文件大小: 0K
描述: IC AMP AUDIO PWR 2.6W AB 28TQFN
标准包装: 2,500
系列: DirectDrive®
类型: AB 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: 2.6W x 2 @ 3 欧姆; 110mW x 2 @ 16 欧姆
电源电压: 4.5 V ~ 5.5 V
特点: 消除爆音,短路保护和热保护,关闭
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)
MAX9750/MAX9751/MAX9755
2.6W Stereo Audio Power Amplifiers and
DirectDrive Headphone Amplifiers
6
_______________________________________________________________________________________
Typical Operating Characteristics
(Measurement BW = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)
10
1
0.1
0.01
0.001
0.0001
10
1k
10k
100
100k
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (SPEAKER MODE)
MAX9750/51
toc01
FREQUENCY (Hz)
THD+N
(%)
VCC = 5V
RL = 3
Ω
AV = 10.5dB
OUTPUT POWER = 1.5W
OUTPUT POWER = 500mW
10
1
0.1
0.01
0.001
0.0001
10
1k
10k
100
100k
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (SPEAKER MODE)
MAX9750/51
toc02
FREQUENCY (Hz)
THD+N
(%)
VCC = 5V
RL = 4
Ω
AV = 10.5dB
OUTPUT POWER = 1.25W
OUTPUT POWER = 500mW
10
1
0.1
0.01
0.001
0.0001
10
1k
10k
100
100k
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (SPEAKER MODE)
MAX9750/51
toc03
FREQUENCY (Hz)
THD+N
(%)
VCC = 5V
RL = 8
Ω
AV = 10.5dB
OUTPUT POWER = 100mW
OUTPUT POWER = 600mW
100
0
0.5
1.0
1.5
2.0
2.5
3.0
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (SPEAKER MODE)
MAX9750/51
toc04
OUTPUT POWER (W)
THD+N
(%)
VCC = 5V
RL = 3
Ω
AV = 10.5dB
MAX9750C
fIN = 10kHz
fIN = 1kHz
fIN = 20Hz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (SPEAKER MODE)
MAX9750/51
toc05
OUTPUT POWER (W)
THD+N
(%)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.01
0.1
1
10
100
0.001
0
VDD = 5V
AV = 13.5dB
RL = 3
Ω
f = 1kHz
f = 10kHz
f = 20Hz
100
0
0.5
1.0
1.5
2.0
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (SPEAKER MODE)
MAX9750/51
toc06
OUTPUT POWER (W)
THD+N
(%)
fIN = 1kHz
fIN = 20Hz
VCC = 5V
RL = 4
Ω
AV = 10.5dB
MAX9750C
fIN = 10kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (SPEAKER MODE)
MAX9750/51
toc07
OUTPUT POWER (W)
THD+N
(%)
2.5
2.0
1.5
1.0
0.5
0.01
0.1
1
10
100
0.001
0
3.0
VDD = 5V
AV = 13.5dB
RL = 4
Ω
f = 1kHz
f = 10kHz
f = 20Hz
100
0
0.2
0.4
0.6
0.8
1.0
1.2
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (SPEAKER MODE)
MAX9750/51
toc08
OUTPUT POWER (W)
THD+N
(%)
fIN = 20Hz
fIN = 1kHz
fIN = 10kHz
VCC = 5V
RL = 8
Ω
AV = 10.5dB
MAX9750C
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (SPEAKER MODE)
MAX9750/51
toc09
OUTPUT POWER (W)
THD+N
(%)
1.5
1.0
0.5
0.01
0.1
1
10
100
0.001
0
VDD = 5V
AV = 13.5dB
RL = 8
Ω
f = 1kHz
f = 10kHz
f = 20Hz
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