参数资料
型号: MAX9700BETB+T
厂商: Maxim Integrated Products
文件页数: 16/20页
文件大小: 0K
描述: IC AMP AUDIO 1.6W MONO D 10TDFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
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: 1.6W x 1 @ 6 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: 10-TDFN-EP(3x3)
封装/外壳: 10-WFDFN 裸露焊盘
包装: 标准包装
其它名称: MAX9700BETB+TDKR
MAX9700
Typical Operating Characteristics (continued)
(VDD = 3.3V, SYNC = GND (SSM), TA = +25°C, unless otherwise noted.)
10
0
0.5
1.0
1.5
2.0
2.5
3.0
1
0.1
0.01
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. COMMON-MODE VOLTAGE
MAX9700
toc10
COMMON-MODE VOLTAGE (V)
THD+N
(%)
VDD = 3.3V
RL = 8
Ω
f = 1kHz
POUT = 300mW
DIFFERENTIAL INPUT
EFFICIENCY vs. OUTPUT POWER
MAX9700toc11
OUTPUT POWER (W)
EFFICIENCY
(%)
1.2
0.9
0.6
0.3
10
20
30
40
50
60
70
80
90
100
0
01.5
RL = 4
Ω
RL = 8
Ω
VDD = 3.3V
f = 1kHz
EFFICIENCY vs. OUTPUT POWER
MAX9700toc12
OUTPUT POWER (W)
EFFICIENCY
(%)
2.0
1.5
0.5
10
20
30
40
50
60
70
80
90
100
0
03.0
RL = 8
Ω
RL = 4
Ω
VDD = 5V
f = 1kHz
1.0
2.5
1.2W, Low-EMI, Filterless,
Class D Audio Amplifier
_______________________________________________________________________________________
5
0
30
20
10
50
40
90
80
70
60
100
2.5
3.0
3.5
4.0
4.5
5.0
5.5
EFFICIENCY vs. SUPPLY VOLTAGE
MAX9700
toc13
SUPPLY VOLTAGE (V)
EFFICIENCY
(%)
RL = 8
Ω
f = 1kHz
POUT = MAX (THD+N = 1%)
RL = 4
Ω
0
30
20
10
50
40
90
80
70
60
100
800
1000
1200
1400
1800
1600
2000
EFFICIENCY
vs. SYNC INPUT FREQUENCY
MAx9700
toc14
SYNC FREQUENCY (kHz)
EFFICIENCY
(%)
VDD = 3.3V
f = 1kHz
POUT = 300mW
RL = 8
Ω
OUTPUT POWER vs.
SUPPLY VOLTAGE
MAX9700toc15
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(W)
5.0
4.5
4.0
3.5
3.0
1.5
2.0
2.5
3.0
3.5
0
2.5
5.5
1.0
0.5
RL = 4
Ω
THD+N = 10%
RL = 4
Ω
THD+N = 1%
RL = 8
Ω
THD+N = 10%
RL = 8
Ω
THD+N = 1%
f = 1kHz
OUTPUT POWER vs. LOAD RESISTANCE
MAX9700toc16
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(mW)
90
80
70
60
50
40
30
20
10
400
800
1200
1600
2000
0
100
VDD = 5V
f = 1kHz
THD+N = 1%
VDD = 3.3V
0
-100
10
100
1k
10k
100k
COMMON-MODE REJECTION RATIO
vs. FREQUENCY
-80
MAX9700TOC17
FREQUENCY (Hz)
CMRR
(dB)
-60
-40
-20
-30
-50
-70
-90
-10
INPUT REFERRED
VIN = 200mVP-P
0
-100
10
100
1k
10k
100k
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
-80
MAX9700TOC18
FREQUENCY (Hz)
PSRR
(dB)
-60
-40
-20
-30
-50
-70
-90
-10
OUTPUT REFERRED
INPUTS AC GROUNDED
VDD = 3.3V
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