参数资料
型号: MAX9724DETC+
厂商: Maxim Integrated Products
文件页数: 17/19页
文件大小: 0K
描述: IC AMP AUDIO .063W STER 12TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 100
系列: DirectDrive®
类型: AB 类
输出类型: 耳机,2-通道(立体声)
在某负载时最大输出功率 x 通道数量: 63mW x 2 @ 32 欧姆
电源电压: 2.5 V ~ 5.5 V
特点: 消除爆音,短路保护和热保护,关闭
安装类型: 表面贴装
供应商设备封装: 12-TQFN EP(3x3)
封装/外壳: 12-WQFN 裸露焊盘
包装: 管件
配用: MAX9724AEVKIT+-ND - EVALUATION KIT FOR MAX9724A/B
MAX9724DEVKIT+-ND - KIT EVAL FOR MAX9724D
MAX9724C/MAX9724D
Low RF Susceptibility DirectDrive Stereo Head-
phone Amplifier with 1.8V Compatible Shutdown
_______________________________________________________________________________________
7
0
-120
10
100
10k
100k
CROSSTALK vs. FREQUENCY
-100
-80
-40
-60
-20
MAX9724
toc28
FREQUENCY (Hz)
CROSSTALK
(dB)
1k
RIGHT TO LEFT
LEFT TO RIGHT
POUT = 15mW
RL = 16
Ω
20
40
30
60
50
70
80
0
100
150
50
OUTPUT POWER vs. LOAD RESISTANCE AND
CHARGE-PUMP CAPACITOR SIZE (TQFN)
MAX9724
toc29
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(mW)
VDD = 5V
fIN = 1kHz
THD+N = 1%
C1 = C2 = 2.2
μF
C1 = C2 = 1
μF
C1 = C2 = 0.47
μF
0
40
30
20
10
60
50
70
80
0
100
150
50
OUTPUT POWER vs. LOAD RESISTANCE AND
CHARGE-PUMP CAPACITOR SIZE (UCSP)
MAX9724
toc30
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(mW)
VDD = 5V
fIN = 1kHz
THD+N = 1%
C1 = C2 = 2.2
μF
C1 = C2 = 1
μF
C1 = C2 = 0.47
μF
-140
-110
-130
-70
-90
-50
-120
-80
-100
-60
-40
0
5
10
15
20
OUTPUT SPECTRUM vs. FREQUENCY
MAX9724
toc31
FREQUENCY (kHz)
AMPLITUDE
(dBV)
RL = 32
Ω
VDD = 3V
fIN = 1kHz
VOUT = -60dBV
2.5
2.8
2.7
2.6
2.9
3.0
3.1
3.2
3.3
3.4
3.5
2.5
3.5
3.0
4.0
4.5
5.0
5.5
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX9724
toc32
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(mA)
NO LOAD
INPUT GROUNDED
Typical Operating Characteristics (continued)
(VDD = 5V, PGND = SGND = 0V, SHDN = VDD, C1 = C2 = 1F, RL = ∞, gain = -1.5V/V (RIN = 20kΩ, RF = 30kΩ for the MAX9724C),
THD+N measurement bandwidth = 22Hz to 22kHz, both outputs driven in phase, TA = +25°C, unless otherwise noted.)
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MAX9724DETC+ 功能描述:音频放大器 Low RF Susceptible Headphone 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
MAX9724DETC+T 功能描述:音频放大器 Low RF Susceptible Headphone 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
MAX9724DEVKIT+ 功能描述:放大器 IC 开发工具 MAX9724D Eval Kit RoHS:否 制造商:International Rectifier 产品:Demonstration Boards 类型:Power Amplifiers 工具用于评估:IR4302 工作电源电压:13 V to 23 V
MAX9725AEBC 制造商:Maxim Integrated Products 功能描述:1V LOW-POWER DIRECTDRIVE STEREO - Rail/Tube
MAX9725AEBC+ 制造商:Maxim Integrated Products 功能描述:AUD AMP HDPH 2CH STEREO 0.025W CLS-AB 12UCSP - Rail/Tube