参数资料
型号: MAX9767ETJ+
厂商: Maxim Integrated Products
文件页数: 5/33页
文件大小: 0K
描述: IC AMP AUDIO .75W STER AB 32TQFN
标准包装: 60
类型: AB 类
输出类型: 2 通道(立体声)
在某负载时最大输出功率 x 通道数量: 750mW x 2 @ 4 欧姆
电源电压: 2.7 V ~ 5.5 V
特点: 消除爆音,麦克风,静音,短路保护和热保护,关机
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: 管件
MAX9765/MAX9766/MAX9767
750mW Audio Amplifiers with Headphone Amp,
Microphone Preamp, and Input Mux
______________________________________________________________________________________
13
DIFFERENTIAL MICROPHONE AMPLIFIER
LARGE-SIGNAL TRANSIENT RESPONSE
MAX9765 toc62
200s/div
IN
OUT
1V/div
500mV/div
AV = 4dB
fIN = 1kHz
DIFFERENTIAL MICROPHONE AMPLIFIER
OVERDRIVEN OUTPUT
MAX9765 toc63
200s/div
IN
OUT
1V/div
AV = 4dB
fIN = 1kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (SINGLE-ENDED INPUT)
MAX9765
toc64
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.001
0.01
0.1
1
10
100k
VDD = 5V
VOUT = 265mVRMS
VOUT = 176mVRMS
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (SINGLE-ENDED INPUT)
MAX9765
toc65
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.001
0.01
0.1
1
10
100k
VDD = 3V
VOUT = 176mVRMS
VOUT = 265mVRMS
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT AMPLITUDE (SINGLE-ENDED INPUT)
MAX9765
toc66
OUTPUT VOLTAGE (VRMS)
THD+N
(%)
1.5
1.0
0.5
0.01
10
1
0.1
100
0.001
02.0
VDD = 5V
f = 100Hz
f = 1kHz
f = 10kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT AMPLITUDE (SINGLE-ENDED INPUT)
MAX9765
toc67
OUTPUT VOLTAGE (VRMS)
THD+N
(%)
1.5
1.0
0.5
0.01
10
1
0.1
100
0.001
02.0
VDD = 3V
f = 100Hz
f = 1kHz
f = 10kHz
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (SINGLE-ENDED INPUT)
MAX9765
toc68
FREQUENCY (Hz)
PSRR
(dB)
10k
1k
100
-100
-80
-60
-40
-20
0
-120
10
100k
VDD = 5V
VDD = 3V
INPUT-REFERRED NOISE
(SINGLE-ENDED INPUT
MICROPHONE AMPLIFIER)
MAX9765
toc69
FREQUENCY (Hz)
10k
1k
100
200
300
400
500
600
0
10
100k
INPUT-REFERRED
NOISE
(nV/
Hz
)
AV = 40dB
Typical Operating Characteristics (continued)
(VDD = PVDD = 5V, BW = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)
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MAX9767ETJ+ 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
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MAX9768BETG+ 功能描述:音频放大器 10W Mono Class D Speaker 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
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