参数资料
型号: MAX9756ETX+
厂商: Maxim Integrated Products
文件页数: 31/31页
文件大小: 0K
描述: IC AMP AUDIO PWR 2.3W AB 36TQFN
标准包装: 50
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: 2.3W x 2 @ 3 欧姆; 130mW 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: 36-TQFN 裸露焊盘(6x6)
封装/外壳: 36-WFQFN 裸露焊盘
包装: 管件
MAX9756/MAX9757/MAX9758
2.3W Stereo Speaker Amplifiers and DirectDrive
Headphone Amplifiers with Automatic Level Control
_______________________________________________________________________________________
9
TURN-ON RESPONSE (HEADPHONE MODE)
MAX9756 toc28
10ms/div
SHDN
5V/div
HPR
10mV/div
HPL
10mV/div
TURN-OFF RESPONSE (HEADPHONE MODE)
MAX9756 toc29
10ms/div
SHDN
5V/div
HPR
10mV/div
HPL
10mV/div
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX9756
toc30
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(mA)
5.3
5.1
4.9
4.7
8
11
14
17
20
5
4.5
5.5
HPS = GND
HPS = VDD
SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE
MAX9756
toc31
SUPPLY VOLTAGE (V)
SHUTDOWN
CURRENT
(nA)
5.3
5.1
4.7
4.9
100
200
300
400
500
600
0
4.5
5.5
POWER LIMITING OF SINE BURST
(FAST ATTACK AND FAST RELEASE)
MAX9756 toc32
10ms/div
OUTPUT
2V/div
CT
1V/div
POWER LIMITING OF SINE BURST
(FAST ATTACK AND SLOW RELEASE)
MAX9756 toc33
40ms/div
OUTPUT
2V/div
CT
1V/div
POWER LIMITING OF SINE BURST
(SLOW ATTACK AND SLOW RELEASE)
MAX9756 toc33
2s/div
OUTPUT
2V/div
CT
1V/div
LDO OUTPUT VOLTAGE ACCURACY
vs. LOAD CURRENT
MAX9756
toc35
LOAD CURRENT (mA)
DEVIATION
(%)
125
100
25
50
75
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
2.0
-2.0
0150
Typical Operating Characteristics (continued)
(VDD = PVDD = HPVDD = CPVDD = IN = +5.0V, GND = PGND = CPGND = 0V, SHDN = VDD, REGEN = DR = SET = GND, CBIAS =
1F, CPVSS = 1F, C1 = C2 = 1F, PREF = unconnected, GAIN1 = 1, GAIN2 = GAIN3 = VOL = 0V, measurement BW = 22Hz to
22kHz, TA = +25°C, unless otherwise noted.)
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MAX9756ETX+ 功能描述:音频放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
MAX9756ETX+T 功能描述:音频放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
MAX9756EVKIT 功能描述:放大器 IC 开发工具 Programmers, Development Systems 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
MAX9757ETJ+ 功能描述:音频放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
MAX9757ETJ+T 功能描述:音频放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel