参数资料
型号: MAX9724DETC+
厂商: Maxim Integrated Products
文件页数: 16/19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
6
_______________________________________________________________________________________
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.)
0
30
20
10
40
50
60
70
80
90
100
2.5
3.5
3.0
4.0
4.5
5.0
5.5
OUTPUT POWER
vs. SUPPLY VOLTAGE (TQFN)
MAX9724
toc19
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
fIN = 1kHz
RL = 32
Ω
1% THD+N
10% THD+N
0
30
20
10
40
50
60
70
80
90
100
2.5
3.5
3.0
4.0
4.5
5.0
5.5
OUTPUT POWER
vs. SUPPLY VOLTAGE (UCSP)
MAX9724
toc20
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
fIN = 1kHz
RL = 32
Ω
1% THD+N
10% THD+N
35
0
10
100
1000
OUTPUT POWER
vs. LOAD RESISTANCE (TQFN)
5
MAX9724
toc21
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(mW)
15
10
20
25
30
VDD = 3V
fIN = 1kHz
1% THD+N
10% THD+N
35
0
10
100
1000
OUTPUT POWER
vs. LOAD RESISTANCE (UCSP)
5
MAX9724
toc22
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(mW)
15
10
20
25
30
VDD = 3V
fIN = 1kHz
THD+N = 1%
THD+N = 10%
100
0
10
100
OUTPUT POWER
vs. LOAD RESISTANCE (TQFN)
10
MAX9724
toc23
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(mW)
30
20
50
70
90
40
60
80
THD+N = 1%
VDD = 5V
fIN = 1kHz
THD+N = 10%
100
0
10
100
OUTPUT POWER
vs. LOAD RESISTANCE (UCSP)
10
MAX9724
toc24
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(mW)
30
20
50
70
90
40
60
80
THD+N = 1%
VDD = 5V
fIN = 1kHz
THD+N = 10%
0
50
150
100
200
250
POWER DISSIPATION
vs. OUTPUT POWER (TQFN)
MAX9724t
oc25
OUTPUT POWER (mW)
POWER
DISSIPATION
(mW)
040
20
60
80
VDD = 3V
fIN = 1kHz
POUT = POUTL + POUTR
OUTPUTS IN PHASE
RL = 16
Ω
RL = 32
Ω
0
20
100
80
60
40
120
140
160
POWER DISSIPATION
vs. OUTPUT POWER (UCSP)
MAX9724t
oc26
OUTPUT POWER (mW)
POWER
DISSIPATION
(mW)
010 15
20 25
30
540 45
35
50
VDD = 3V
fIN = 1kHz
POUT = POUTL + POUTR
OUTPUTS IN PHASE
RL = 16
Ω
RL = 32
Ω
0
-120
10
100
10k
100k
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
-100
-80
-40
-60
-20
MAX9724
toc27
FREQUENCY (Hz)
PSRR
(dB)
1k
VDD = 5V
VDD = 3V
RL = 32
Ω
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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
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MAX9725AEBC+ 制造商:Maxim Integrated Products 功能描述:AUD AMP HDPH 2CH STEREO 0.025W CLS-AB 12UCSP - Rail/Tube