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參數(shù)資料
型號: LM4891M
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 音頻/視頻放大
英文描述: 1 Watt Audio Power Amplifier
中文描述: 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
封裝: SOIC-8
文件頁數(shù): 3/20頁
文件大小: 733K
代理商: LM4891M
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 (Note 11)
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature
Thermal Resistance
θ
JC
(SOP)
θ
JA
(SOP)
θ
JA
(micro SMD)
6.0V
65C to +150C
0.3V to V
DD
+0.3V
Internally Limited
2000V
250V
150C
35C/W
150C/W
220C/W
θ
JC
(MSOP)
θ
JA
(MSOP)
θ
JA
(LLP)
Soldering Information
See AN-1112 "microSMD Wafers Level Chip Scale
Package".
See AN-1187 "Leadlesss
Leadframe Package (LLP)".
56C/W
190C/W
220C/W
Operating Ratings
Temperature Range
T
MIN
T
A
T
MAX
Supply Voltage
40C
T
A
85C
2.2V
V
DD
5.5V
Electrical Characteristics V
DD
= 5V
The following specifications apply for V
DD
= 5V, A
V
= 2, and 8
load unless otherwise specified. Limits apply for T
A
= 25C.
(Notes 1, 2, 8)
Symbol
Parameter
Conditions
LM4891
Units
(Limits)
Typical
(Note 6)
4
0.1
1
0.1
62 (f =
217Hz)
66 (f = 1kHz)
Limit
(Note 7)
10
I
DD
I
SD
P
o
THD+N
PSRR
Quiescent Power Supply Current
Shutdown Current
Output Power
Total Harmonic Distortion+Noise
Power Supply Rejection Ratio
V
IN
= 0V, I
o
= 0A
V
shutdown
= V
DD
THD = 2% (max); f = 1 kHz
P
o
= 0.4 Wrms; f = 1kHz
V
ripple
= 200mV sine p-p
mA (max)
μA (max)
W
%
dB
Electrical Characteristics V
DD
= 3.3V
The following specifications apply for V
DD
= 3.3V, A
V
= 2, and 8
load unless otherwise specified. Limits apply for T
A
= 25C.
(Notes 1, 2, 8)
Symbol
Parameter
Conditions
LM4891
Units
(Limits)
Typical
(Note 6)
3.5
0.1
0.4
0.1
60 (f =
217Hz)
62 (f = 1kHz)
Limit
(Note 7)
I
DD
I
SD
P
o
THD+N
PSRR
Quiescent Power Supply Current
Shutdown Current
Output Power
Total Harmonic Distortion+Noise
Power Supply Rejection Ratio
V
IN
= 0V, I
o
= 0A
V
shutdown
= V
DD
THD = 1% (max); f = 1kHz
P
o
= 0.15Wrms; f = 1kHz
V
ripple
= 200mV sine p-p
mA (max)
μA (max)
W
%
dB
Electrical Characteristics V
DD
= 2.6V
The following specifications apply for V
DD
= 2.6V, A
V
= 2, and 8
Load unless otherwise specified. Limits apply for T
A
=
25C.
(Notes 1, 2, 8)
Symbol
Parameter
Conditions
LM4891
Units
(Limits)
Typical
(Note 6)
2.6
0.1
Limit
(Note 7)
I
DD
I
SD
Quiescent Power Supply Current
Shutdown Current
V
IN
= 0V, I
o
= 0A
V
shutdown
= V
DD
mA (max)
μA (max)
L
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4891M/NOPB 功能描述:IC AMP AUDIO PWR 1W MONO 8SOIC RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機,2-通道(立體聲) 在某負載時最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C,麥克風,靜音,短路保護,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)
LM4891MBD 功能描述:BOARD EVALUATION LM4891M RoHS:否 類別:編程器,開發(fā)系統(tǒng) >> 評估板 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:-
LM4891MM 制造商:Rochester Electronics LLC 功能描述:1W AUDIO AMP WITH SHUTDOWN HIG - Bulk 制造商:Texas Instruments 功能描述:
LM4891MM/NOPB 功能描述:IC AMP AUDIO PWR 1W MONO 8MSOP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機,2-通道(立體聲) 在某負載時最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C,麥克風,靜音,短路保護,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)
LM4891MX/NOPB 功能描述:IC AMP AUDIO PWR 1W MONO 8SOIC RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機,2-通道(立體聲) 在某負載時最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C,麥克風,靜音,短路保護,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)
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