参数资料
型号: MAX9757ETJ+T
厂商: Maxim Integrated Products
文件页数: 2/31页
文件大小: 0K
描述: IC AMP AUDIO PWR 2.3W AB 32TQFN
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: 2.3W 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: 32-TQFN-EP(5x5)
封装/外壳: 32-WFQFN 裸露焊盘
包装: 带卷 (TR)
MAX9756/MAX9757/MAX9758
2.3W Stereo Speaker Amplifiers and DirectDrive
Headphone Amplifiers with Automatic Level Control
10
______________________________________________________________________________________
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.)
LDO OUTPUT VOLTAGE ACCURACY
vs. TEMPERATURE
MAX7956
toc37
TEMPERATURE (
°C)
DEVIATION
(%)
60
35
10
-15
-4
-3
-2
-1
0
1
2
3
4
5
-5
-40
85
DROPOUT VOLTAGE
vs. LOAD CURRENT
MAX9756
toc38
LOAD CURRENT (mA)
DROPOUT
VOLTAGE
(V)
125
100
75
50
25
-200
-100
0
100
200
300
-300
0150
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (LDO)
MAX9756
toc39
FREQUENCY (Hz)
PSRR
(dB)
10k
1k
100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
10
100k
VRIPPLE = 100mVP-P
LDO OUTPUT NOISE
MAX9756 toc40
200
s/div
LDO_OUT
1mV/div
CROSSTALK vs. FREQUENCY
(LDO)
MAX9756
toc36
FREQUENCY (Hz)
CROSSTALK
(dB)
10
1
0.1
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-110
0.01
100
RL = 4
POUT(SPK) = 1W
IOUT = 90mA
IOUT = 10mA
IOUT = 50mA
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MAX9758ETJ+ 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
MAX9758ETJ+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
MAX9759ETE+ 功能描述:音频放大器 3.2W Low-EMI Class D Amplifier 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
MAX9759ETE+T 功能描述:音频放大器 3.2W Low-EMI Class D Amplifier 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
MAX9759EUE+ 制造商:Maxim Integrated Products 功能描述:- Rail/Tube