参数资料
型号: MAX9792CETI+
厂商: Maxim Integrated Products
文件页数: 34/34页
文件大小: 0K
描述: IC AMP AUDIO 2.0W STER D 28TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
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: 3.7W x 1 @ 3 欧姆; 180mW x 2 @ 32 欧姆
电源电压: 4.5 V ~ 5.5 V
特点: 消除爆音,LDO,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: 28-TQFN-EP(4x4)
封装/外壳: 28-WFQFN 裸露焊盘
包装: 管件
Typical Operating Characteristics (continued)
(VAVDD = VPVDD = VHPVDD = 5V, VGND = VPGND = VCPGND = 0, ILDO_OUT = 0, CLDO = 2 x 1F, C1 = C2 = 1F. RL = ∞, unless oth-
erwise specified. RIN1 = 20k (AVSPKR = 12dB), RIN2 = 40.2k (AVHP = 0dB), CIN1 = 470nF, CIN2 = CCOM = 1F, measurement BW
= 20kHz AES17, TA = +25°C, unless otherwise noted. Speaker mode: SPKR_EN = 0, HP_EN = 0. Headphone mode: SPKR_EN = 1,
HP_EN = 1.)
MAX9791/MAX9792
Windows Vista-Compliant Class D Speaker
Amplifiers with DirectDrive Headphone Amplifiers
_______________________________________________________________________________________
9
SPEAKER STARTUP WAVEFORM
MAX9791 toc13
SPKR_EN
2V/div
SPEAKER OUT
200
s/div
SPEAKER SHUTDOWN WAVEFORM
MAX9791 toc14
SPKR_EN
2V/div
SPEAKER OUT
200
s/div
WIDEBAND OUTPUT SPECTRUM
(SPEAKER MODE)
MAX9791
toc15
FREQUENCY (MHz)
OUTPUT
AMPLITUDE
(dBV)
10
1
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-120
0
100
RBW = 1kHz
INPUT AC GROUNDED
OUTPUT FREQUENCY SPECTRUM
(SPEAKER MODE)
MAX9791
toc16
FREQUENCY (kHz)
OUTPUT
MAGNITUDE
(dBV)
10
-100
-60
0
-140
-80
-40
-20
-120
120
515
VOUT = -60dBV
f = 1kHz
RL = 8
UNWEIGHTED
SPEAKER
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MAX9792CETI+ 功能描述:音频放大器 Windows Vista Class D Speaker Amp 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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