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參數(shù)資料
| 型號： | LM4880N |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | Dual 250 mW Audio Power Amplifier with Shutdown Mode |
| 中文描述： | 0.325 W, 2 CHANNEL, AUDIO AMPLIFIER, PDIP8 |
| 封裝： | 0.300 INCH, MDIP-8 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大小： | 375K |
| 代理商： | LM4880N |
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
3500V
250V
150C
215C
220C
See AN-450 “Surface Mounting and their Effects on
Product Reliability” for other methods of soldering surface
mount devices.
Thermal Resistance
θ
JC
(DIP)
θ
JA
(DIP)
θ
JC
(SO)
θ
JA
(SO)
37C/W
107C/W
35C/W
170C/W
Operating Ratings
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage
40C
≤
T
A
≤
+85C
2.7V
≤
V
DD
≤
5.5V
Electrical Characteristics
(Notes 1, 2)
The following specifications apply for V
DD
= 5V unless otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4880
Units
(Limits)
Typical
(Note 6)
Limit
(Note 7)
2.7
5.5
6.0
V
DD
Supply Voltage
V (min)
V (max)
mA
(max)
μA
(max)
mV
(max)
I
DD
Quiescent Power Supply Current
V
IN
=0V, I
O
=0A
3.6
I
SD
Shutdown Current
V
PIN5
=V
DD
0.7
5
V
OS
Output Offset Voltage
V
IN
=0V
5
50
P
O
Output Power
THD=0.1% (max); f=1 kHz;
R
L
=8
250
200
mW
(min)
mW
R
L
=32
THD+N=10%; f=1 kHz
R
L
=8
R
L
=32
R
L
=8
, P
O
=200 mW;
R
L
=32
, P
O
=75 mW;
f=1 kHz
C
B
= 1.0 μF,
V
RIPPLE
=200 mVrms, f = 100 Hz
85
325
110
0.03
0.02
mW
mW
%
%
THD+N
Total Harmonic Distortion+Noise
PSRR
Power Supply Rejection Ratio
50
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 may occur. Operating Ratings indicate conditions for which the device is functional, but do
not guarantee specific performance limits. Electrical Characteristics state DC andAC electrical specifications under particular test conditions which guarantee 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
,
θ
, 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 LM4880, T
JMAX
=150C,
and the typical junction-to-ambient thermal resistance is 170C/W for package M08A and 107C/W for package N08E.
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 National’s AOQL (Average Outgoing Quality Level).
www.national.com
3
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| LM4881 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Dual 200 mW Headphone Amplifier with Shutdown Mode |
| LM4881M | 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 |
| LM4881M/NOPB | 功能描述:音頻放大器 BOOMER DUAL 200MW HEADPHONE 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 |
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