参数资料
型号: MAX9722BETE+T
厂商: Maxim Integrated Products
文件页数: 16/21页
文件大小: 0K
描述: IC AMP AUDIO .13W STER AB 16TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
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: 130mW x 2 @ 32 欧姆
电源电压: 2.4 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: 16-TQFN-EP(3x3)
封装/外壳: 16-WFQFN 裸露焊盘
包装: 带卷 (TR)
MAX9722A/MAX9722B
5V, Differential Input, DirectDrive, 130mW
Stereo Headphone Amplifiers with Shutdown
4
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(MAX9722A, PVDD = SVDD = +5V, PGND = SGND = 0V, SHDN = SVDD, C1 = C2 = 1F, RL =
∞, gain = -1V/V, single-ended input,
THD+N measurement bandwidth = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9722
toc04
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.001
0.01
0.1
1
10
0.0001
10
100k
VDD = 5V
AV = -2V/V
RL = 16
Ω
POUT = 40mW
POUT = 5mW
POUT = 20mW
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9722
toc05
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.001
0.01
0.1
1
10
0.0001
10
100k
VDD = 5V
AV = -1V/V
RL = 32
Ω
POUT = 80mW
POUT = 5mW
POUT = 20mW
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9722
toc06
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.001
0.01
0.1
1
10
0.0001
10
100k
VDD = 5V
AV = -2V/V
RL = 32
Ω
POUT = 80mW
POUT = 5mW
POUT = 20mW
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9722
toc07
OUTPUT POWER (mW)
THD+N
(%)
60
50
40
30
20
10
0.001
0.01
0.1
1
10
100
0.0001
070
f = 10kHz
f = 20Hz
f = 1kHz
VDD = 3V
AV = -1V/V
RL = 16
Ω
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9722
toc08
OUTPUT POWER (mW)
THD+N
(%)
60
70
50
40
30
20
10
0.001
0.01
0.1
1
10
100
0.0001
0
80
f = 10kHz
f = 20Hz
f = 1kHz
VDD = 3V
AV = -1V/V
RL = 32
Ω
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9722
toc09
OUTPUT POWER (mW)
THD+N
(%)
60
50
40
30
20
10
0.001
0.01
0.1
1
10
100
0.0001
070
f = 10kHz
f = 20Hz
f = 1kHz
VDD = 5V
AV = -1V/V
RL = 16
Ω
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9722
toc10
OUTPUT POWER (mW)
THD+N
(%)
60
50
40
30
20
10
0.001
0.01
0.1
1
10
100
0.0001
070
f = 10kHz
f = 20Hz
f = 1kHz
VDD = 5V
AV = -2V/V
RL = 16
Ω
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9722
toc11
OUTPUT POWER (mW)
THD+N
(%)
120
100
80
60
40
20
0.001
0.01
0.1
1
10
100
0.0001
0140
f = 10kHz
f = 20Hz
f = 1kHz
VDD = 5V
AV = -1V/V
RL = 32
Ω
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9722
toc12
OUTPUT POWER (mW)
THD+N
(%)
120
100
80
60
40
20
0.001
0.01
0.1
1
10
100
0.0001
0
140
f = 10kHz
f = 20Hz
f = 1kHz
VDD = 5V
AV = -2V/V
RL = 32
Ω
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