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參數(shù)資料
| 型號(hào)： | LM4911 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Stereo 40mW Low Noise Headphone Amplifier with Selectable Capacitive Coupled or OCL Output |
| 中文描述： | 40mW的功率立體聲耳機(jī)放大器，低噪聲與耦合模式或無需輸出電容可選 |
| 文件頁數(shù)： | 4/18頁 |
| 文件大小： | 923K |
| 代理商： | LM4911 |
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Note 2)
Supply Voltage
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature
6.0V
65C to +150C
-0.3V to V
DD
+ 0.3V
Internally Limited
2000V
200V
150C
Thermal Resistance
θ
JC
(MSOP)
θ
JA
(MSOP)
56C/W
190C/W
Operating Ratings
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage (V
DD
)
40C
≤
T
A
≤
85C
2V
≤
V
CC
≤
5.5V
Electrical Characteristics V
DD
= 5V
(Notes 1, 2)
The following specifications apply for V
DD
= 5V, R
L
= 16
, and C
B
= 4.7μF unless otherwise specified. Limits apply to T
A
=
25C.
Symbol
Parameter
Conditions
LM4911
Units
(Limits)
Typ
(Note 6)
2
0.1
100
1.8
0.4
1.8
0.4
Limit
(Note 7)
5
I
DD
I
SD
I
M
V
SDIH
V
SDIL
V
MIH
V
MIL
P
O
Quiescent Power Supply Current
Shutdown Current
Mute Current
Shutdown Voltage Input High
Shutdown Voltage Input Low
Mute Voltage Input High
Mute Voltage Input Low
Output Power
V
IN
= 0V, I
O
= 0A
V
SHUTDOWN
= GND
V
MUTE
= V
DD
, C-Coupled
mA (max)
μA(max)
μA(max)
V
V
V
V
THD
≤
1%; f=1 kHZ
OCL, R
L
= 16
OCL, R
L
= 32
C-CUPL, R
L
= 16
C-CUPL, R
L
= 32
BW = 20Hz to 20kHz, A-weighted
V
RIPPLE
= 200mV sine p-p
f = 1kHz (Note 9)
80
80
145
85
10
65
mW
V
ON
PSRR
Output Noise Voltage
Power Supply Rejection Ratio
μV
dB
Electrical Characteristics V
DD
= 3.0V
(Notes 1, 2)
The following specifications apply for V
DD
= 3.0V, R
L
= 16
, and C
B
= 4.7μF unless otherwise specified. Limits apply to T
A
=
25C.
Symbol
Parameter
Conditions
LM4911
Units
(Limits)
Typ
(Note 6)
1.5
0.1
50
Limit
(Note 7)
3
2.0
100
I
DD
I
SD
I
M
Quiescent Power Supply Current
Shutdown Current
Mute Current
V
IN
= 0V, I
O
= 0A
V
SHUTDOWN
= GND
V
MUTE
= V
DD
, C-Coupled
THD = 1%; f = 1kHz
mA (max)
μA(max)
μA(max)
P
O
Output Power
mW
R = 16
R = 32
40
25
10
65
V
NO
PSRR
Output Noise Voltage
Power Supply Rejection Ratio
BW = 20 Hz to 20kHz, A-weighted
V
RIPPLE
= 200mV sine p-p
μV
dB
L
www.national.com
4
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4911LD | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Stereo 40mW Low Noise Headphone Amplifier with Selectable Capacitive Coupled or OCL Output |
| LM4911LD/NOPB | 功能描述:IC AMP AUDIO PWR .145W AB 10LLP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機(jī)，2-通道（立體聲） 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點(diǎn):I²C，麥克風(fēng)，靜音，短路保護(hù)，音量控制 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR) |
| LM4911LDX | 功能描述:IC AMP AUDIO PWR .145W AB 10LLP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機(jī)，2-通道（立體聲） 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點(diǎn):I²C，麥克風(fēng)，靜音，短路保護(hù)，音量控制 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR) |
| LM4911MM | 功能描述:音頻放大器 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 |
| LM4911MM/NOPB | 功能描述:音頻放大器 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 |
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