参数资料
型号: MAX9830ETA+T
厂商: Maxim Integrated Products
文件页数: 8/12页
文件大小: 0K
描述: IC AMP MONO 2W CLASS D 8TDFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: D 类
输出类型: 1-通道(单声道)
在某负载时最大输出功率 x 通道数量: 2.25mW x 1 @ 4 欧姆
电源电压: 2.6 V ~ 5.5 V
特点: 消除爆音,差分输入,短路和热保护,关闭
安装类型: 表面贴装
封装/外壳: 8-WFDFN 裸露焊盘
包装: 带卷 (TR)
MAX9830
Mono 2W Class D Amplifier
_______________________________________________________________________________________
5
OUTPUT POWER vs. LOAD RESISTANCE
MAX9830
toc10
OUTPUT
POWER
(W)
10
0.2
0.4
0.6
0.8
1.0
1.2
0
1
100
LOAD RESISTANCE (
I)
THD+N = 10%
THD+N = 1%
VPVDD = 3.6V
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX9830
toc10a
OUTPUT
POWER
(W)
4.0
0.4
0.2
0.6
0.8
1.0
1.4
1.2
1.6
1.8
2.0
0
2.5
5.5
5.0
4.5
3.5
3.0
SUPPLY VOLTAGE (V)
1% THD+N
10% THD+N
fIN = 1kHz
RL = 8
I
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX9830
toc10b
OUTPUT
POWER
(W)
4.0
0.5
1.0
1.5
2.0
2.5
3.0
0
2.5
5.5
5.0
4.5
3.5
3.0
SUPPLY VOLTAGE (V)
1% THD+N
10% THD+N
fIN = 1kHz
RL = 4
I
EFFICIENCY vs. OUTPUT POWER
MAX9830
toc11
OUTPUT POWER (W)
EFFICIENCY
(%)
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
20
40
60
80
100
0
02.0
VPVDD = 5.0V
RLOAD = 8
I
RLOAD = 4
I
EFFICIENCY vs. OUTPUT POWER
MAX9830
toc12
OUTPUT POWER (W)
EFFICIENCY
(%)
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
20
40
60
80
100
0
1.0
RLOAD = 8
I
RLOAD = 4
I
VPVDD = 3.6V
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX9830
toc13
FREQUENCY (Hz)
PSRR
(dB)
10k
1k
100
-80
-90
-70
-50
-60
-30
-40
-10
-20
0
-100
10
100k
VRIPPLE = 200mVP-P
COMMON-MODE REJECTION RATIO
vs. FREQUENCY
MAX9830
toc14
FREQUENCY (Hz)
CMRR
(dB)
10k
1k
100
-50
-40
-30
-20
-10
0
-60
10
100k
INPUT REFERRED
AMPLITUDE vs. FREQUENCY
MAX9830
toc15
FREQUENCY (Hz)
AMPLITUDE
(dB)
10k
1k
100
2
4
6
8
10
12
14
0
10
100k
STARTUP WAVEFORM
MAX9830 toc16
OUTPUT
500mA/div
SHDN
2V/div
400
Fs/div
Typical Operating Characteristics (continued)
(VPVDD = VSHDN = 5.0V, VPGND = 0V, RL = ∞, unless otherwise specified. RL connected between OUT+ and OUT-, AC measure-
ment bandwidth 20Hz to 22kHz, TA = +25°C, unless otherwise noted.)
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