參數(shù)資料
型號(hào)： MAX9720
廠商： Maxim Integrated Products, Inc.
英文描述： 50mW, DirectDrive, Stereo Headphone Amplifier with SmartSense and Shutdown
中文描述： 50mW、DirectDrive®、立體聲耳機(jī)放大器，帶有SmartSense™和關(guān)斷
文件頁數(shù)： 9/21頁
文件大小： 508K
代理商： MAX9720
M
50mW, DirectDrive, Stereo Headphone
Amplifier with SmartSense and Shutdown
_______________________________________________________________________________________
9
CROSSTALK vs. FREQUENCY
M
FREQUENCY (Hz)
C
10k
1k
100
-110
-120
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10
100k
V
DD
= 1.8V
R
L
= 32
V
IN
= 200mV
P-P
RIGHT-TO-LEFT
CHANNEL
LEFT-TO-RIGHT
CHANNEL
GAIN FLATNESS vs. FREQUENCY
M
FREQUENCY (Hz)
G
1k
100
10
1
0.1
-4
-3
-2
-1
0
1
2
3
4
5
-5
0.01
10k
A
V
= -1V/V
CHARGE-PUMP OUTPUT IMPEDANCE
vs. SUPPLY VOLTAGE
M
SUPPLY VOLTAGE (V)
O
)
3.3
3.0
2.7
2.4
2.1
2
4
6
8
10
12
14
0
1.8
3.6
I
LOAD
= 10mA
0.47
μ
F
OUTPUT POWER vs. LOAD RESISTANCE
AND CHARGE-PUMP CAPACITOR SIZE
M
LOAD RESISTANCE (
)
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
O
40
30
20
10
20
30
40
50
60
0
10
50
2.2
μ
F
1
μ
F
f
= 1kHz
THD+N = 1%
OUTPUTS
IN PHASE
OUTPUT SPECTRUM vs. FREQUENCY
M
FREQUENCY (Hz)
O
10k
1k
-100
-80
-60
-40
-20
0
-120
100
100k
V
IN
= 1V
P-P
R
L
= 32
f
IN
= 1kHz
SUPPLY CURRENT vs. SUPPLY VOLTAGE
M
SUPPLY VOLTAGE (V)
S
3.3
3.0
2.7
2.4
2.1
1
2
3
4
5
6
0
1.8
3.6
STEREO MODE
MONO MODE
M
SUPPLY VOLTAGE (V)
S
μ
A
3.3
3.0
2.7
2.4
2.1
1
2
3
4
5
6
7
8
9
0
1.8
3.6
EXITING SHUTDOWN
MAX9720 toc53
400
μ
s/div
OUT_
500mV/div
3V
0V
f
IN
= 1kHz
R
L
= 32
MODE1 AND
MODE2
POWER-UP/DOWN WAVEFORM
200ms/div
FFT: 25Hz/div
OUT_FFT
OUT_
20dB/div
3V
0V
10mV/div
V
IN
= GND
R
L
= 32
V
DD
100dB
Typical Operating Characteristics (continued)
(V
DD
= 3V, THD+N bandwidth = 22Hz to 22kHz, MODE1 = MODE2 = V
DD
.)
相關(guān)PDF資料
PDF描述
MAX9720AEUE 50mW, DirectDrive, Stereo Headphone Amplifier with SmartSense and Shutdown
MAX9720BEBE-T 50mW, DirectDrive, Stereo Headphone Amplifier with SmartSense and Shutdown
MAX9720BEUE 50mW, DirectDrive, Stereo Headphone Amplifier with SmartSense and Shutdown
MAX9727EEP Quad Audio Line Driver with 3VRMS Output
MAX9727 Quad Audio Line Driver with 3VRMS Output
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX97200AEVKIT+ 功能描述:音頻 IC 開發(fā)工具 MAX97200A Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V
MAX97200AEWC+ 制造商:Maxim Integrated Products 功能描述:HIGH EFFICIENCY HEADPHONE AMPLIFIER - Rail/Tube
MAX97200AEWC+T 功能描述:音頻放大器 Class H DirectDrive Headphone Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX97200BEWC+T 功能描述:音頻放大器 Class H DirectDrive Headphone Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX9720AEBE 制造商:Maxim Integrated Products 功能描述:50MW, DIRECTDRIVE, STEREO HEADPHONE AMPLIFIER - Rail/Tube
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