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參數(shù)資料
| 型號： | LM4861 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 1.1W Audio Power Amplifier with Shutdown Mode |
| 中文描述： | 1.1W音頻功率放大器關(guān)斷模式 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 218K |
| 代理商： | LM4861 |
Absolute Maximum Ratings
(Note 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature
Soldering Information
Small Outline Package
Vapor Phase (60 sec.)
Infrared (15 sec.)
6.0V
65C to +150C
0.3V to V
DD
+ 0.3V
Internally limited
3000V
250V
150C
215C
220C
See AN-450 “Surface Mounting and their Effects on
Product Reliability” for other methods of soldering surface
mount devices.
Operating Ratings
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage
Thermal Resistance
θ
JC
(typ)— M08A
θ
JA
(typ)— M08A
θ
JC
(typ)— N08E
θ
JA
(typ)— N08E
40C
≤
T
A
≤
+85C
2.0V
≤
V
DD
≤
5.5V
35C/W
140C/W
37C/W
107C/W
Electrical Characteristics
(Note 1) (Note 2)
The following specifications apply for V
DD
= 5V, unless otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4861
Units
(Limits)
Typical
(Note 6)
Limit
(Note 7)
2.0
5.5
10.0
10.0
50.0
1.0
V
DD
Supply Voltage
V (min)
V (max)
mA (max)
μA (max)
mV (max)
W (min)
%
I
DD
I
SD
V
OS
P
O
THD+N
Quiescent Power Supply Current
Shutdown Current
Output Offset Voltage
Output Power
Total Harmonic Distortion +
Noise
Power Supply Rejection Ratio
V
IN
= 0V, I
O
= 0A (Note 8)
V
pin1
= V
DD
V
IN
= 0V
THD = 1% (max); f = 1 kHz
P
O
= 1Wrms; 20 Hz
≤
f
≤
20 kHz
6.5
0.6
5.0
1.1
0.72
PSRR
V
DD
= 4.9V to 5.1V
65
dB
Note 1:
All voltages are measured with respect to the ground pin, unless otherwise specified.
Note 2:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is func-
tional, but do not guarantee specific performance limits. Electrical Characteristics state DC andAC electrical specifications under particular test conditions which guar-
antee specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not guaranteed for parameters where no limit is
given, however, the typical value is a good indication of device performance.
Note 3:
The maximum power dissipation must be derated at elevated temperatures and is dictated by T
JMAX
,
θ
JA
, and the ambient temperature T
A
. The maximum
allowable power dissipation is P
= (T
T
)/
θ
or the number given in theAbsolute Maximum Ratings, whichever is lower. For the LM4861, T
JMAX
= 150C,
and the typical junction-to-ambient thermal resistance, when board mounted, is 140C/W.
Note 4:
Human body model, 100 pF discharged through a 1.5 k
resistor.
Note 5:
Machine Model, 220 pF–240 pF discharged through all pins.
Note 6:
Typicals are measured at 25C and represent the parametric norm.
Note 7:
Limits are guaranteed to Nationai’s AOQL (Average Outgoing Quality Level).
Note 8:
The quiescent power supply current depends on the offset voltage when a practical load is connected to the amplifier.
www.national.com
2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4861_03 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1.1W Audio Power Amplifier with Shutdown Mode |
| LM4861M | 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LM4861M | 制造商:Texas Instruments 功能描述:AMP AUDIO 0.5W SMD 4861 SOIC8 |
| LM4861M/NOPB | 功能描述:音頻放大器 1.1W AUDIO POWER AMP 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LM4861M-NOPB | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LM4861 1.1W Audio Power Amplifier with Shutdown Mode |
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