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參數(shù)資料
| 型號： | 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®、立體聲耳機放大器，帶有SmartSense™和關(guān)斷 |
| 文件頁數(shù)： | 3/21頁 |
| 文件大?。?/td> | 508K |
| 代理商： | MAX9720 |
M
50mW, DirectDrive, Stereo Headphone
Amplifier with SmartSense and Shutdown
_______________________________________________________________________________________
3
Note 1:
All specifications are 100% tested at T
A
= +25
o
C; temperature limits are guaranteed by design.
Note 2:
Inputs are AC-coupled to ground.
Note 3:
Inputs are connected directly to ground.
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= V
MODE1
= V
MODE2
= 3.0V, PGND = SGND = 0V, R
L
=
∞
, C1 = C2 = 2.2μF. T
A
= T
MIN
to T
MAX,
unless otherwise noted.
Typical values are at T
A
= +25
°
C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
R
L
= 32
,
P
OUT
= 30mW
0.003
Total Harmonic Distortion Plus
Noise
THD+N
f
IN
= 1kHz
R
L
= 16
,
P
OUT
= 30mW
0.005
%
Signal-to-Noise Ratio
SNR
f
IN
= 1kHz, V
OUT
= 0.5V
RMS
, R
L
= 16
,
BW = 22Hz to 22kHz
97
dB
Slew Rate
Maximum Capacitive Load
Crosstalk
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
SmartSense
Shorted Load Threshold
Pulse Duration
DEBOUNCE TIME (TIME)
TIME Charging Current
SR
C
L
0.8
150
75
140
15
V/μs
pF
dB
No sustained oscillations
R
L
= 32
, P
OUT
= 1mW, f
IN
= 10kHz
o
C
o
C
R
SMS
t
SMS
2.4
4
5.6
μs
3.1
I
TIME
0.7
1.1
1.8
μA
TIME Discharge Switch
Resistance
R
TIME
HPS = GND
4
10
k
TIME Threshold
HEADPHONE SENSE INPUT (HPS)
V
TIME
1
1.1
1.2
V
V
IH
0.9 x
V
DD
HPS Threshold
V
IL
0.7 x
V
DD
±
1
V
Input Leakage Current
Input Capacitance
ALERT
Output Current High
Output Voltage Low
MODE_ INPUT
I
IL
C
IN
MODE1= MODE2 = GND
μA
pF
10
I
OH
V
OL
V
ALERT
= V
DD
I
OL
= 3mA
1
μA
V
0.4
V
IH
0.7 x
V
DD
MODE_ Thresholds
V
IL
0.3 x
V
DD
±
1
V
MODE_ Input Leakage Current
μA
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|---|---|
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| 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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