参数资料
型号: MAX9752AETI+T
厂商: Maxim Integrated Products
文件页数: 26/29页
文件大小: 0K
描述: IC AMP AUDIO PWR 2.2W 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: 2.2W x 2 @ 4 欧姆; 62mW 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,关机,音量控制
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)
MAX9752/MAX9753/MAX9754
2.2W, Low-EMI, Stereo, Class D Power Amplifiers
with DirectDrive Headphone Amplifiers
6
_______________________________________________________________________________________
Typical Operating Characteristics
(VDD = PVDD = HPVDD = CPVDD = 5.0V, GND = PGND = HPGND = 0V, VSHDN = VDD, CPVSS = VSS, CBIAS = 1F,
CCPVSS = 1F, C1 = 1F, speaker impedance = 8
Ω connected between OUT_+ and OUT_-, headphone load is terminated to GND;
MAX9752: GAIN1 = GAIN2 = 0, VVOL = 0V; MAX9753: GAIN = 0, VA/B = 0V; MAX9754: GAIN = 0; TA = +25°C, unless otherwise noted.)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (SPEAKER MODE)
MAX9752/53/54
toc01
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
10
0.001
10
100k
RL = 3
Ω
POUT = 1W
POUT = 500mW
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (SPEAKER MODE)
MAX9752/53/54
toc02
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
10
0.001
10
100k
RL = 4
Ω
POUT = 1.5W
POUT = 750mW
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (SPEAKER MODE)
MAX9752/53/54
toc03
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
10
0.001
10
100k
RL = 8
Ω
POUT = 1W
POUT = 500mW
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9752
toc04
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
04.0
RL = 3
Ω
MAX9752C
fIN = 10kHz
fIN = 20Hz
fIN = 1kHz
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9752
toc05
OUTPUT POWER (W)
THD+N
(%)
2.5
1.5
1.0
2.0
0.5
0.01
0.1
1
10
100
0.001
0
3.0
RL = 3
Ω
fIN = 1kHz AND 20Hz
fIN = 10kHz
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9752
toc06
OUTPUT POWER (W)
THD+N
(%)
2.5
1.5
1.0
2.0
0.5
0.01
0.1
1
10
100
0.001
03.0
RL = 4
Ω
MAX9752C
fIN = 1kHz
fIN = 10kHz
fIN = 20Hz
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9752
toc07
OUTPUT POWER (W)
THD+N
(%)
1.5
1.0
2.0
0.5
0.01
0.1
1
10
100
0.001
02.5
RL = 4
Ω
fIN = 1kHz AND 20Hz
fIN = 10kHz
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9752
toc08
OUTPUT POWER (W)
THD+N
(%)
0.5
1.0
0.01
0.1
1
10
100
0.001
0
1.5
RL = 8
Ω
MAX9752C
fIN = 1kHz
fIN = 10kHz
fIN = 20Hz
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9752
toc09
OUTPUT POWER (W)
THD+N
(%)
0.5
1.0
0.01
0.1
1
10
100
0.001
0
1.5
RL = 8
Ω
fIN = 10kHz
fIN = 1kHz AND 20Hz
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