参数资料
型号: MAX9791CETI+T
厂商: Maxim Integrated Products
文件页数: 7/34页
文件大小: 0K
描述: IC AMP AUDIO 2.2W STER D 28WQFN
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: 2-通道(立体声)带立体声耳机和超低音器
在某负载时最大输出功率 x 通道数量: 2.2W x 2 @ 4 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: 带卷 (TR)
MAX9791/MAX9792
Windows Vista-Compliant Class D Speaker
Amplifiers with DirectDrive Headphone Amplifiers
______________________________________________________________________________________
15
LDO OUTPUT ACCURACY
vs. LOAD CURRENT
MAX9791
toc44
LOAD CURRENT (mA)
LDO
OUTPUT
ACCURACY
(%)
125
75
-1.0
-1.5
0
0.5
1.0
-0.5
1.5
2.0
-2.0
0
150
25
100
50
LDO OUTPUT ACCURACY
vs. AMPLIFIER OUTPUT POWER
MAX9791
toc45
AMPLIFIER OUTPUT POWER (mW)
LDO
OUTPUT
ACCURACY
(%)
300
0.04
0.03
0.02
0.01
0.06
0.07
0.08
0.05
0.09
0.10
0
1500
1200
600
900
LDO OUTPUT ACCURACY
vs. TEMPERATURE
MAX9791
toc46
TEMPERATURE (
°C)
LDO
OUTPUT
ACCURACY
(%)
60
35
10
-15
-0.5
0
0.5
1.0
-1.0
-40
85
VLDO_OUT = 3.3V
VLDO_OUT = 1.8V
VLDO_OUT = 4.75V
0
100
50
200
150
250
300
0
100
150
50
200
250
300
LDO DROPOUT VOLTAGE vs. LOAD
MAX9791
toc47
ILOAD (mA)
LDO
DROPOUT
VOLTAGE
(mV)
LDO_OUT = 4.75V
LDO POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX9791
toc48
FREQUENCY (kHz)
PSRR
(dB)
10
1
0.1
-80
-60
-40
-20
0
20
40
-100
0.01
100
VRIPPLE = 200mVP-P
ILOAD = 10mA
VLDO_OUT = 3.3V
VLDO_OUT = 1.8V
VLDO_OUT = 4.75V
LDO OUTPUT NOISE
MAX9791
toc49
FREQUENCY (kHz)
LDO
OUTPUT
NOISE
(
V)
10
1
0.1
75
100
125
150
175
200
50
0.01
100
CLOAD = 2 x 1
F
ILOAD = 120mA
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.)
LDO
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MAX9792AETI+ 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
MAX9792AETI+T 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
MAX9792AEVKIT+ 功能描述:音频放大器 Windows Vista-Compliant Class D Speaker Amplifiers with DirectDrive Headphone Amplifiers 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
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
MAX9792CETI+T 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