参数资料
型号: MAX9705DEBC+T
厂商: Maxim Integrated Products
文件页数: 15/18页
文件大小: 0K
描述: IC AMP AUDIO PWR 2.3W D 12UCSP
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: 1.4W x 1 @ 8 欧姆
电源电压: 2.5 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
供应商设备封装: 12-UCSP(3x4)
封装/外壳: 12-WFBGA,WLCSP
包装: 带卷 (TR)
-140
-120
-100
-80
-60
-40
-20
0
20
0
5
10
15
20
SPREAD-SPECTRUM-MODE OUTPUT
SPECTRUM vs. FREQUENCY
MAX9705
toc25
FREQUENCY (kHz)
AMPLITUDE
(dBV)
RL = 8
VDD = 5.0V
fIN = 1kHz
A-WEIGHTED
MAX9705
2.3W, Ultra-Low-EMI, Filterless,
Class D Audio Amplifier
6
_______________________________________________________________________________________
0
0.6
0.4
0.2
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.5
3.5
3.0
4.0
4.5
5.0
5.5
OUTPUT POWER
vs. SUPPLY VOLTAGE
MAX9705toc19
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(W)
fIN = 1kHz
RL = 8
THD+N = 1%
THD+N = 10%
0
1.5
1.0
0.5
2.0
2.5
3.0
3.5
2.5
3.5
3.0
4.0
4.5
5.0
5.5
OUTPUT POWER
vs. SUPPLY VOLTAGE
MAX9705toc20
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(W)
fIN = 1kHz
RL = 4
THD+N = 1%
THD+N = 10%
4.0
0
1
100
1000
OUTPUT POWER
vs. LOAD RESISTANCE
1.5
1.0
3.0
2.0
3.5
0.5
2.5
MAX9705
toc21
LOAD RESISTANCE (
)
OUTPUT
POWER
(W)
10
fIN = 1kHz
ZLOAD = 33
H IN
SERIES WITH RL
THD+N = 1%
3.3V
5.0V
0
-10
-100
10
100
10k
100k
POWER-SUPPLY REJECTION
RATIO vs. FREQUENCY
-90
-50
-70
-80
-40
-60
-20
-30
MAX9705
toc22
FREQUENCY (Hz)
PSRR
(dB)
1k
VDD = 3.3V
VIN = 200mVP-P
RL = 8
-140
-120
-100
-80
-60
-40
-20
0
20
0
5
10
15
20
FIXED-FREQUENCY-MODE OUTPUT
SPECTRUM vs. FREQUENCY
MAX9705
toc23
FREQUENCY (kHz)
AMPLITUDE
(dBV)
RL = 8
VDD = 5.0V
fIN = 1kHz
BW = 22Hz to 22kHz
-140
-120
-100
-80
-60
-40
-20
0
20
0
5
10
15
20
SPREAD-SPECTRUM-MODE OUTPUT
SPECTRUM vs. FREQUENCY
MAX9705
toc24
FREQUENCY (kHz)
AMPLITUDE
(dBV)
RL = 8
VDD = 5.0V
fIN = 1kHz
BW = 22Hz to 22kHz
Typical Operating Characteristics (continued)
(VDD = 3.3V, SYNC = VDD (SSM), differential input, TA = +25°C, unless otherwise noted. Typical Operating Characteristics for 4
load condition apply to the MAX9705_ETB+T only.)
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