参数资料
型号: MAX9776ETJ+T
厂商: Maxim Integrated Products
文件页数: 37/38页
文件大小: 0K
描述: IC AMP AUDIO PWR 1.5W D 32TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
系列: DirectDrive®
类型: D 类
输出类型: 1-通道(单声道),带立体声耳机
在某负载时最大输出功率 x 通道数量: 1.5W x 1 @ 4 欧姆; 60mW x 2 @ 16 欧姆
电源电压: 2.7 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,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)
配用: MAX9776EVKIT+-ND - EVALUATION KIT FOR MAX9776
MAX9775/MAX9776
2 x 1.5W, Stereo Class D Audio Subsystem
with DirectDrive Headphone Amplifier
8
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(VDD = PVDD = CPVDD = 3.3V, GND = PGND = CPGND = 0V, SHDN = VDD, I2C default gain settings (INA gain = +20dB, INB gain =
INC gain = 0dB, volume setting = 0dB, mono path gain = 0dB, SHDN = 1, SSM = 1). Speaker load resistors (RLSP) are terminated
between OUT_+ and OUT_-, headphone load resistors are terminated to GND, unless otherwise stated. C1 = C2 = C3 = 1F. TA =
+25°C, unless otherwise noted.)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX9775/76
toc07
OUTPUT POWER (W)
THD+N
(%)
1.2
0.9
0.6
0.3
0.01
0.1
1
10
100
0.001
0
1.5
VDD = 5V
RL = 8
Ω
f = 10kHz
f = 20Hz
f = 1kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX9775/76
toc08
OUTPUT POWER (W)
THD+N
(%)
0.6
0.4
0.2
0.01
0.1
1
10
100
0.001
0
0.8
VDD = 3.3V
RL = 4
Ω
f = 10kHz
f = 20Hz
f = 1kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX9775/76
toc09
OUTPUT POWER (W)
THD+N
(%)
0.4
0.2
0.01
0.1
1
10
100
0.001
0
0.6
VDD = 3.3V
RL = 8
Ω
f = 10kHz
f = 20Hz
f = 1kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX9775/76
toc10
OUTPUT POWER (W)
THD+N
(%)
1.2
0.9
0.6
0.3
0.01
0.1
1
10
100
0.001
0
1.5
VDD = 5V
RL = 8
Ω
f = 1kHz
SSM
FFM
EFFICIENCY
vs. OUTPUT POWER
MAX9775/76
toc11
OUTPUT POWER (W)
EFFICIENCY
(%)
3.2
2.4
1.6
0.8
10
20
30
40
50
60
70
80
90
100
0
4.0
VDD = 5V
fIN = 1kHz
POUT = POUTL + POUTR
RL = 8
Ω
RL = 4
Ω
EFFICIENCY
vs. OUTPUT POWER
MAX9775/76
toc12
OUTPUT POWER (W)
EFFICIENCY
(%)
1.6
1.2
0.8
0.4
10
20
30
40
50
60
70
80
90
100
0
2.0
VDD = 3.3V
fIN = 1kHz
POUT = POUTL + POUTR
RL = 8
Ω
RL = 4
Ω
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相关代理商/技术参数
参数描述
MAX9776EVKIT+ 功能描述:音频 IC 开发工具 MAX9776 Eval Kit RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V
MAX9777ETI+ 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
MAX9777ETI+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
MAX9778ETI+ 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
MAX9778ETI+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