参数资料
型号: MAX9728AETC+
厂商: Maxim Integrated Products
文件页数: 14/19页
文件大小: 0K
描述: IC AMP AUDIO .06W STER AB 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: 60mW x 2 @ 32 欧姆
电源电压: 4.5 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-TQFN 裸露焊盘
包装: 管件
产品目录页面: 1392 (CN2011-ZH PDF)
MAX9728A/MAX9728B
60mW, DirectDrive, Stereo Headphone
Amplifiers with Shutdown
4
_______________________________________________________________________________________
100
020
60
40
80
100
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9728A/28B
toc01
OUTPUT POWER (mW)
THD+N
(%)
VDD = 5V
RL = 16
Ω
fIN = 1kHz
fIN = 20Hz
fIN = 10kHz
100
020
60
40
80
120
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9728A/28B
toc02
OUTPUT POWER (mW)
THD+N
(%)
100
VDD = 5V
RL = 32
Ω
fIN = 1kHz
fIN = 20Hz
fIN = 10kHz
10
1k
100
10k
100k
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9728A/28B
toc03
FREQUENCY (Hz)
THD+N
(%)
1
0.1
0.001
0.01
VDD = 5V
RL = 16
Ω
POUT = 20mW
POUT = 37mW
10
1k
100
10k
100k
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9728A/28B
toc04
FREQUENCY (Hz)
THD+N
(%)
1
0.1
0.001
0.01
VDD = 5V
RL = 32
Ω
POUT = 50mW
POUT = 30mW
0
20
10
40
30
60
50
70
4.5
5.0
5.5
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX9728A/28B
toc05
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
fIN = 1kHz
RL = 16
Ω
THD+N = 1%
THD+N = 10%
0
40
20
80
60
100
120
4.5
5.0
5.5
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX9728A/28B
toc06
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
fIN = 1kHz
RL = 32
Ω
THD+N = 1%
THD+N = 10%
Typical Operating Characteristics
(VDD = 5V, PGND = SGND = 0V, SHDN = VDD, C1 = C2 = 1F, RL =
∞, gain = -1.5V/V (RIN = 20kΩ, RF = 30kΩ for the MAX9728A),
THD+N measurement bandwidth = 22Hz to 22kHz, both outputs driven in phase, TA = +25°C, unless otherwise noted.)
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