参数资料
型号: MAX97220DETE+
厂商: Maxim Integrated Products
文件页数: 17/19页
文件大小: 0K
描述: IC AUDIO AMP HEADPHONE 16TQFN
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: 125mW x 1 @ 32 欧姆
电源电压: 2.5 V ~ 5.5 V
特点: 消除爆音,差分输入,关闭
安装类型: 表面贴装
供应商设备封装: 16-TQFN-EP(3x3)
封装/外壳: 16-WFQFN 裸露焊盘
包装: 管件
7
Maxim Integrated
Differential Input DirectDrive
Line Drivers/Headphone Amplifiers
MAX97220A–MAX97220E
Typical Operating Characteristics (continued)
(VPVDD = VSVDD = VSVDD2 = 5V, VPGND = VSGND = 0V, CBIAS = 0.1F, C1 = C2 = 1F, RIN = 10kω, RF = 10kω, unless otherwise noted.)
OUTPUT VOLTAGE vs. SUPPLY VOLTAGE
MAX97220
toc13
SUPPLY VOLTAGE (V)
OUTPUT
VOLTAGE
(V
RMS
)
5.0
4.5
4.0
3.5
3.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0
2.5
5.5
THD+N = 1%
THD+N = 10%
fIN = 1kHz
RL = 600I
OUTPUT VOLTAGE vs. SUPPLY VOLTAGE
MAX97220
toc14
SUPPLY VOLTAGE (V)
OUTPUT
VOLTAGE
(V
RMS
)
5.0
4.5
4.0
3.5
3.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0
2.5
5.5
THD+N = 1%
THD+N = 10%
fIN = 1kHz
RL = 10kI
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX97220
toc15
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
5.0
4.5
4.0
3.5
3.0
25
50
75
100
125
150
175
200
225
250
0
2.5
5.5
THD+N = 1%
THD+N = 10%
fIN = 1kHz
RL = 32I
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX97220
toc16
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
5.0
4.5
4.0
3.5
3.0
20
40
60
80
100
120
140
160
180
200
0
2.5
5.5
THD+N = 1%
THD+N = 10%
fIN = 1kHz
RL = 16I
OUTPUT VOLTAGE vs. LOAD RESISTANCE
MAX97220
toc17
LOAD RESISTANCE (kI)
OUTPUT
VOLTAGE
(V
RMS
)
10
1
1.5
2.0
2.5
3.0
3.5
4.0
1.0
0.1
100
THD+N = 1%
THD+N = 10%
VPVDD = 3.3V
fIN = 1kHz
OUTPUT VOLTAGE vs. LOAD RESISTANCE
MAX97220
toc18
LOAD RESISTANCE (kI)
OUTPUT
VOLTAGE
(V
RMS
)
10
1
2.5
3.0
3.5
4.0
4.5
5.0
2.0
0.1
100
THD+N = 1%
THD+N = 10%
VPVDD = 5V
fIN = 1kHz
OUTPUT POWER vs. LOAD RESISTANCE
MAX97220
toc19
LOAD RESISTANCE (I)
OUTPUT
POWER
(mW)
100
10
20
30
40
50
60
70
80
90
100
0
10
1000
THD+N = 1%
THD+N = 10%
VPVDD = 3.3V
fIN = 1kHz
OUTPUT POWER vs. LOAD RESISTANCE
MAX97220
toc20
LOAD RESISTANCE (I)
OUTPUT
POWER
(mW)
100
25
50
75
100
125
150
175
200
225
250
0
10
1000
THD+N = 1%
THD+N = 10%
fIN = 1kHz
POWER DISSIPATION vs. OUTPUT POWER
MAX97220
toc21
OUTPUT POWER (mW)
POWER
DISSIPATION
(mW)
135
120
90 105
30 45 60 75
15
20
40
60
80
100
120
140
160
180
200
0
150
VPVDD = 3.3V
RL = 32I
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